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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 09 75 67 65 6e 6c 69 | 62 2e 63 00 00 00 00 00 |..ugenli|b.c.....|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 4b 41 48 | 4c 00 00 00 00 00 00 00 |.TEXTKAH|L.......|
|00000050| 00 00 00 00 00 bd 79 00 | 00 01 5c a2 a8 7e 65 a2 |......y.|..\..~e.|
|00000060| a8 7e 65 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.~e.....|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 69 49 00 00 |........|....iI..|
|00000080| 2f 2a 0d 2a 20 a9 20 47 | 72 61 65 6d 65 20 47 65 |/*.* . G|raeme Ge|
|00000090| 72 72 61 72 64 20 31 39 | 39 30 0d 2a 20 46 61 63 |rrard 19|90.* Fac|
|000000a0| 75 6c 74 79 20 6f 66 20 | 4d 75 73 69 63 2c 20 55 |ulty of |Music, U|
|000000b0| 6e 69 76 65 72 73 69 74 | 79 20 6f 66 20 4d 65 6c |niversit|y of Mel|
|000000c0| 62 6f 75 72 6e 65 0d 2a | 20 50 61 72 6b 76 69 6c |bourne.*| Parkvil|
|000000d0| 6c 65 20 56 69 63 74 6f | 72 69 61 20 33 30 35 32 |le Victo|ria 3052|
|000000e0| 20 41 75 73 74 72 61 6c | 69 61 2e 0d 2a 0d 2a 20 | Austral|ia..*.* |
|000000f0| 41 52 50 41 4e 45 54 3a | 20 67 72 61 65 40 6d 75 |ARPANET:| grae@mu|
|00000100| 72 64 75 2e 75 63 73 2e | 75 6e 69 6d 65 6c 62 2e |rdu.ucs.|unimelb.|
|00000110| 65 64 75 2e 61 75 0d 2a | 20 74 65 6c 65 70 68 6f |edu.au.*| telepho|
|00000120| 6e 65 3a 20 28 36 31 33 | 29 20 33 34 34 20 34 31 |ne: (613|) 344 41|
|00000130| 32 37 2c 20 46 61 78 3a | 20 28 36 31 33 29 20 33 |27, Fax:| (613) 3|
|00000140| 34 34 20 35 33 34 36 0d | 2a 2f 0d 0d 0d 2f 2a 20 |44 5346.|*/.../* |
|00000150| 57 41 52 4e 49 4e 47 3a | 20 42 65 77 61 72 65 20 |WARNING:| Beware |
|00000160| 6f 66 20 28 69 6e 74 29 | 20 63 61 73 74 73 20 66 |of (int)| casts f|
|00000170| 6f 72 20 74 72 75 6e 63 | 61 74 69 6f 6e 2e 20 52 |or trunc|ation. R|
|00000180| 65 6d 65 6d 62 65 72 2c | 20 54 48 49 4e 4b 20 43 |emember,| THINK C|
|00000190| 20 69 6e 74 73 0d 61 72 | 65 20 6f 6e 6c 79 20 31 | ints.ar|e only 1|
|000001a0| 36 20 62 69 74 73 21 2e | 20 54 68 69 73 20 6d 61 |6 bits!.| This ma|
|000001b0| 79 20 63 61 75 73 65 20 | 74 72 6f 75 62 6c 65 20 |y cause |trouble |
|000001c0| 77 68 65 6e 20 74 72 75 | 6e 63 61 74 69 6e 67 20 |when tru|ncating |
|000001d0| 6c 61 72 67 65 20 6e 75 | 6d 62 65 72 73 2c 0d 6c |large nu|mbers,.l|
|000001e0| 69 6b 65 20 73 61 6d 70 | 6c 65 20 6e 75 6d 62 65 |ike samp|le numbe|
|000001f0| 72 73 21 0d 2a 2f 0d 0d | 23 69 6e 63 6c 75 64 65 |rs!.*/..|#include|
|00000200| 09 22 4d 75 73 69 63 34 | 43 2e 68 22 0d 23 69 6e |."Music4|C.h".#in|
|00000210| 63 6c 75 64 65 09 22 6f | 72 63 68 2e 68 22 0d 23 |clude."o|rch.h".#|
|00000220| 69 6e 63 6c 75 64 65 09 | 3c 6d 61 74 68 2e 68 3e |include.|<math.h>|
|00000230| 0d 23 69 6e 63 6c 75 64 | 65 09 3c 75 6e 69 78 2e |.#includ|e.<unix.|
|00000240| 68 3e 0d 23 69 6e 63 6c | 75 64 65 09 22 4d 75 73 |h>.#incl|ude."Mus|
|00000250| 69 63 34 43 5f 50 72 6f | 74 6f 74 79 70 65 2e 68 |ic4C_Pro|totype.h|
|00000260| 22 0d 23 69 6e 63 6c 75 | 64 65 09 22 45 72 72 6f |".#inclu|de."Erro|
|00000270| 72 41 6c 65 72 74 2e 68 | 22 0d 23 69 6e 63 6c 75 |rAlert.h|".#inclu|
|00000280| 64 65 09 22 53 44 74 79 | 70 65 2e 68 22 0d 0d 0d |de."SDty|pe.h"...|
|00000290| 65 78 74 65 72 6e 09 69 | 6e 74 20 6c 6f 63 3b 0d |extern.i|nt loc;.|
|000002a0| 65 78 74 65 72 6e 09 64 | 6f 75 62 6c 65 09 2a 6f |extern.d|ouble.*o|
|000002b0| 75 74 3b 0d 65 78 74 65 | 72 6e 09 69 6e 74 09 6e |ut;.exte|rn.int.n|
|000002c0| 63 68 6e 6c 73 3b 0d 65 | 78 74 65 72 6e 09 64 6f |chnls;.e|xtern.do|
|000002d0| 75 62 6c 65 09 2a 46 5b | 4d 41 58 46 55 4e 43 53 |uble.*F[|MAXFUNCS|
|000002e0| 5d 3b 0d 65 78 74 65 72 | 6e 09 64 6f 75 62 6c 65 |];.exter|n.double|
|000002f0| 09 73 72 61 74 65 3b 0d | 65 78 74 65 72 6e 09 4f |.srate;.|extern.O|
|00000300| 53 45 72 72 09 74 68 65 | 45 72 72 3b 0d 65 78 74 |SErr.the|Err;.ext|
|00000310| 65 72 6e 09 53 74 72 32 | 35 35 09 74 68 65 4d 65 |ern.Str2|55.theMe|
|00000320| 73 73 31 3b 0d 0d 0d 0d | 0d 0d 64 6f 75 62 6c 65 |ss1;....|..double|
|00000330| 20 61 64 64 38 76 65 70 | 63 28 70 31 2c 20 70 32 | add8vep|c(p1, p2|
|00000340| 29 0d 09 64 6f 75 62 6c | 65 09 70 31 2c 20 70 32 |)..doubl|e.p1, p2|
|00000350| 3b 0d 7b 0d 09 64 6f 75 | 62 6c 65 09 63 31 2c 20 |;.{..dou|ble.c1, |
|00000360| 63 32 2c 20 74 65 6d 70 | 2c 20 6e 63 6c 61 73 73 |c2, temp|, nclass|
|00000370| 3b 0d 09 69 6e 74 20 70 | 6f 73 2c 20 6f 63 74 31 |;..int p|os, oct1|
|00000380| 2c 20 6f 63 74 32 2c 20 | 6f 63 74 6e 78 74 3b 0d |, oct2, |octnxt;.|
|00000390| 0d 09 2f 2a 20 61 64 64 | 73 20 74 6f 67 65 74 68 |../* add|s togeth|
|000003a0| 65 72 20 32 20 38 76 65 | 2e 70 63 20 70 69 74 63 |er 2 8ve|.pc pitc|
|000003b0| 68 65 73 20 2a 2f 0d 0d | 09 6f 63 74 31 20 3d 20 |hes */..|.oct1 = |
|000003c0| 28 69 6e 74 29 70 31 3b | 0d 09 63 31 20 3d 20 70 |(int)p1;|..c1 = p|
|000003d0| 31 20 2d 20 6f 63 74 31 | 3b 0d 09 6f 63 74 32 20 |1 - oct1|;..oct2 |
|000003e0| 3d 20 28 69 6e 74 29 70 | 32 3b 0d 09 69 66 20 28 |= (int)p|2;..if (|
|000003f0| 20 6f 63 74 32 20 3c 20 | 30 20 29 20 7b 0d 09 09 | oct2 < |0 ) {...|
|00000400| 70 6f 73 20 3d 20 2d 6f | 63 74 32 3b 0d 09 09 63 |pos = -o|ct2;...c|
|00000410| 32 20 3d 20 70 32 20 2b | 20 28 64 6f 75 62 6c 65 |2 = p2 +| (double|
|00000420| 29 70 6f 73 3b 0d 09 7d | 0d 09 65 6c 73 65 0d 09 |)pos;..}|..else..|
|00000430| 09 63 32 20 3d 20 70 32 | 20 2d 20 28 64 6f 75 62 |.c2 = p2| - (doub|
|00000440| 6c 65 29 6f 63 74 32 3b | 0d 09 74 65 6d 70 20 3d |le)oct2;|..temp =|
|00000450| 20 28 63 31 2b 63 32 29 | 20 2a 20 31 30 30 2e 30 | (c1+c2)| * 100.0|
|00000460| 3b 09 2f 2a 20 73 68 69 | 66 74 20 66 6f 72 20 72 |;./* shi|ft for r|
|00000470| 6f 75 6e 64 6f 66 66 2f | 74 72 75 6e 63 61 74 69 |oundoff/|truncati|
|00000480| 6f 6e 20 2a 2f 0d 09 6f | 63 74 6e 78 74 20 3d 20 |on */..o|ctnxt = |
|00000490| 28 69 6e 74 29 28 74 65 | 6d 70 2f 31 32 2e 30 29 |(int)(te|mp/12.0)|
|000004a0| 20 2b 20 6f 63 74 31 20 | 2b 20 6f 63 74 32 3b 0d | + oct1 |+ oct2;.|
|000004b0| 09 69 66 20 28 20 74 65 | 6d 70 20 3c 20 30 2e 30 |.if ( te|mp < 0.0|
|000004c0| 20 29 20 7b 0d 09 09 6f | 63 74 6e 78 74 20 2d 3d | ) {...o|ctnxt -=|
|000004d0| 20 31 3b 0d 09 09 6e 63 | 6c 61 73 73 20 3d 20 28 | 1;...nc|lass = (|
|000004e0| 31 32 2e 30 20 2b 20 28 | 69 6e 74 29 74 65 6d 70 |12.0 + (|int)temp|
|000004f0| 20 25 20 31 32 29 20 2f | 20 31 30 30 2e 30 3b 0d | % 12) /| 100.0;.|
|00000500| 09 7d 0d 09 65 6c 73 65 | 20 7b 0d 09 09 6e 63 6c |.}..else| {...ncl|
|00000510| 61 73 73 20 3d 20 20 28 | 28 69 6e 74 29 74 65 6d |ass =  (|(int)tem|
|00000520| 70 20 25 20 31 32 29 20 | 2f 20 31 30 30 2e 30 3b |p % 12) |/ 100.0;|
|00000530| 0d 09 7d 0d 09 72 65 74 | 75 72 6e 28 6f 63 74 6e |..}..ret|urn(octn|
|00000540| 78 74 2b 6e 63 6c 61 73 | 73 29 3b 0d 7d 0d 0d 76 |xt+nclas|s);.}..v|
|00000550| 6f 69 64 20 65 6e 33 73 | 65 74 28 20 74 61 2c 20 |oid en3s|et( ta, |
|00000560| 74 73 2c 20 74 64 2c 20 | 61 20 29 0d 0d 09 64 6f |ts, td, |a )...do|
|00000570| 75 62 6c 65 09 74 61 2c | 20 74 73 2c 20 74 64 2c |uble.ta,| ts, td,|
|00000580| 20 2a 61 3b 0d 7b 0d 09 | 72 65 67 69 73 74 65 72 | *a;.{..|register|
|00000590| 09 6e 3b 0d 09 72 65 67 | 69 73 74 65 72 09 64 6f |.n;..reg|ister.do|
|000005a0| 75 62 6c 65 09 66 61 63 | 20 3d 20 31 32 38 2e 30 |uble.fac| = 128.0|
|000005b0| 20 2f 20 73 72 61 74 65 | 3b 0d 09 72 65 67 69 73 | / srate|;..regis|
|000005c0| 74 65 72 09 64 6f 75 62 | 6c 65 09 73 74 20 3d 20 |ter.doub|le.st = |
|000005d0| 31 2e 30 20 2f 20 73 72 | 61 74 65 3b 0d 09 72 65 |1.0 / sr|ate;..re|
|000005e0| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 20 74 5b |gister.d|ouble t[|
|000005f0| 33 5d 3b 0d 0d 09 2a 74 | 20 3d 20 74 61 3b 0d 09 |3];...*t| = ta;..|
|00000600| 2a 28 74 2b 31 29 20 3d | 20 74 73 3b 0d 09 2a 28 |*(t+1) =| ts;..*(|
|00000610| 74 2b 32 29 20 3d 20 74 | 64 3b 0d 0d 09 66 6f 72 |t+2) = t|d;...for|
|00000620| 20 28 20 6e 20 3d 20 30 | 3b 20 6e 20 3c 20 33 3b | ( n = 0|; n < 3;|
|00000630| 20 6e 2b 2b 20 29 20 7b | 0d 09 09 69 66 20 28 20 | n++ ) {|...if ( |
|00000640| 2a 28 74 2b 6e 29 20 3c | 3d 20 73 74 20 29 20 2a |*(t+n) <|= st ) *|
|00000650| 28 74 2b 6e 29 20 3d 20 | 73 74 3b 0d 09 09 2a 28 |(t+n) = |st;...*(|
|00000660| 61 2b 6e 29 20 3d 20 66 | 61 63 20 2f 20 2a 28 74 |a+n) = f|ac / *(t|
|00000670| 2b 6e 29 3b 0d 09 7d 0d | 09 2a 28 61 2b 33 29 20 |+n);..}.|.*(a+3) |
|00000680| 3d 20 31 2e 30 20 2d 20 | 2a 28 61 29 3b 0d 7d 09 |= 1.0 - |*(a);.}.|
|00000690| 2f 2a 20 65 6e 33 73 65 | 74 20 2a 2f 0d 0d 64 6f |/* en3se|t */..do|
|000006a0| 75 62 6c 65 20 65 6e 76 | 65 6c 33 28 61 6d 70 2c |uble env|el3(amp,|
|000006b0| 20 66 6e 6f 2c 20 61 29 | 0d 09 64 6f 75 62 6c 65 | fno, a)|..double|
|000006c0| 09 61 6d 70 2c 20 2a 61 | 3b 0d 09 69 6e 74 09 66 |.amp, *a|;..int.f|
|000006d0| 6e 6f 3b 0d 7b 0d 09 72 | 65 67 69 73 74 65 72 20 |no;.{..r|egister |
|000006e0| 6b 3b 0d 09 69 66 20 28 | 20 2a 28 61 2b 33 29 20 |k;..if (| *(a+3) |
|000006f0| 3c 20 31 32 38 2e 30 29 | 20 7b 0d 09 09 2a 28 61 |< 128.0)| {...*(a|
|00000700| 2b 33 29 20 2b 3d 20 2a | 28 61 29 3b 0d 09 09 69 |+3) += *|(a);...i|
|00000710| 66 20 28 2a 28 61 2b 33 | 29 20 3e 20 31 32 38 2e |f (*(a+3|) > 128.|
|00000720| 30 29 20 2a 28 61 2b 33 | 29 20 3d 20 31 32 38 2e |0) *(a+3|) = 128.|
|00000730| 30 3b 0d 09 7d 0d 09 65 | 6c 73 65 20 69 66 20 28 |0;..}..e|lse if (|
|00000740| 2a 28 61 2b 33 29 20 3c | 20 32 35 36 2e 30 29 20 |*(a+3) <| 256.0) |
|00000750| 7b 0d 09 09 2a 28 61 2b | 33 29 20 2b 3d 20 2a 28 |{...*(a+|3) += *(|
|00000760| 61 2b 31 29 3b 0d 09 09 | 69 66 20 28 2a 28 61 2b |a+1);...|if (*(a+|
|00000770| 33 29 20 3e 20 32 35 36 | 2e 30 29 20 2a 28 61 2b |3) > 256|.0) *(a+|
|00000780| 33 29 20 3d 20 32 35 36 | 2e 30 3b 0d 09 7d 0d 09 |3) = 256|.0;..}..|
|00000790| 65 6c 73 65 20 69 66 20 | 28 2a 28 61 2b 33 29 20 |else if |(*(a+3) |
|000007a0| 3c 20 33 38 34 2e 30 29 | 20 7b 0d 09 09 2a 28 61 |< 384.0)| {...*(a|
|000007b0| 2b 33 29 20 2b 3d 20 2a | 28 61 2b 32 29 3b 0d 09 |+3) += *|(a+2);..|
|000007c0| 09 69 66 20 28 2a 28 61 | 2b 33 29 20 3e 20 33 38 |.if (*(a|+3) > 38|
|000007d0| 34 2e 30 29 20 2a 28 61 | 2b 33 29 20 3d 20 33 38 |4.0) *(a|+3) = 38|
|000007e0| 34 2e 30 3b 0d 09 7d 0d | 09 65 6c 73 65 0d 09 09 |4.0;..}.|.else...|
|000007f0| 2a 28 61 2b 33 29 20 3d | 20 33 38 34 2e 30 3b 0d |*(a+3) =| 384.0;.|
|00000800| 09 6b 20 3d 20 28 69 6e | 74 29 28 2a 28 61 2b 33 |.k = (in|t)(*(a+3|
|00000810| 29 20 2b 20 30 2e 35 29 | 3b 20 2f 2a 20 72 6f 75 |) + 0.5)|; /* rou|
|00000820| 6e 64 20 74 6f 20 61 64 | 64 20 31 20 66 6f 72 20 |nd to ad|d 1 for |
|00000830| 6c 65 6e 67 74 68 20 69 | 6e 20 46 5b 30 5d 20 2a |length i|n F[0] *|
|00000840| 2f 0d 0d 09 72 65 74 75 | 72 6e 28 61 6d 70 20 2a |/...retu|rn(amp *|
|00000850| 20 2a 28 46 5b 66 6e 6f | 5d 20 2b 20 6b 29 29 3b | *(F[fno|] + k));|
|00000860| 0d 7d 0d 0d 0d 64 6f 75 | 62 6c 65 20 65 6e 76 65 |.}...dou|ble enve|
|00000870| 6c 33 49 28 61 6d 70 2c | 20 66 6e 6f 2c 20 61 29 |l3I(amp,| fno, a)|
|00000880| 0d 09 64 6f 75 62 6c 65 | 09 61 6d 70 2c 20 2a 61 |..double|.amp, *a|
|00000890| 3b 0d 09 69 6e 74 09 66 | 6e 6f 3b 0d 7b 0d 09 2f |;..int.f|no;.{../|
|000008a0| 2a 20 69 6e 74 65 72 70 | 6f 6c 61 74 69 6e 67 20 |* interp|olating |
|000008b0| 76 65 72 73 69 6f 6e 20 | 6f 66 20 65 6e 76 65 6c |version |of envel|
|000008c0| 33 20 2a 2f 0d 09 72 65 | 67 69 73 74 65 72 20 20 |3 */..re|gister  |
|000008d0| 6b 2c 20 6c 3b 0d 09 64 | 6f 75 62 6c 65 09 64 69 |k, l;..d|ouble.di|
|000008e0| 66 66 3b 0d 09 69 66 20 | 28 20 2a 28 61 2b 33 29 |ff;..if |( *(a+3)|
|000008f0| 20 3c 20 31 32 38 2e 30 | 29 20 7b 0d 09 09 2a 28 | < 128.0|) {...*(|
|00000900| 61 2b 33 29 20 2b 3d 20 | 2a 28 61 29 3b 0d 09 09 |a+3) += |*(a);...|
|00000910| 69 66 20 28 2a 28 61 2b | 33 29 20 3e 20 31 32 38 |if (*(a+|3) > 128|
|00000920| 2e 30 29 20 2a 28 61 2b | 33 29 20 3d 20 31 32 38 |.0) *(a+|3) = 128|
|00000930| 2e 30 3b 0d 09 7d 0d 09 | 65 6c 73 65 20 69 66 20 |.0;..}..|else if |
|00000940| 28 2a 28 61 2b 33 29 20 | 3c 20 32 35 36 2e 30 29 |(*(a+3) |< 256.0)|
|00000950| 20 7b 0d 09 09 2a 28 61 | 2b 33 29 20 2b 3d 20 2a | {...*(a|+3) += *|
|00000960| 28 61 2b 31 29 3b 0d 09 | 09 69 66 20 28 2a 28 61 |(a+1);..|.if (*(a|
|00000970| 2b 33 29 20 3e 20 32 35 | 36 2e 30 29 20 2a 28 61 |+3) > 25|6.0) *(a|
|00000980| 2b 33 29 20 3d 20 32 35 | 36 2e 30 3b 0d 09 7d 0d |+3) = 25|6.0;..}.|
|00000990| 09 65 6c 73 65 20 69 66 | 20 28 2a 28 61 2b 33 29 |.else if| (*(a+3)|
|000009a0| 20 3c 20 33 38 34 2e 30 | 29 20 7b 0d 09 09 2a 28 | < 384.0|) {...*(|
|000009b0| 61 2b 33 29 20 2b 3d 20 | 2a 28 61 2b 32 29 3b 0d |a+3) += |*(a+2);.|
|000009c0| 09 09 69 66 20 28 2a 28 | 61 2b 33 29 20 3e 20 33 |..if (*(|a+3) > 3|
|000009d0| 38 34 2e 30 29 20 2a 28 | 61 2b 33 29 20 3d 20 33 |84.0) *(|a+3) = 3|
|000009e0| 38 34 2e 30 3b 0d 09 7d | 0d 09 65 6c 73 65 0d 09 |84.0;..}|..else..|
|000009f0| 09 2a 28 61 2b 33 29 20 | 3d 20 33 38 34 2e 30 3b |.*(a+3) |= 384.0;|
|00000a00| 0d 09 0d 09 69 66 20 28 | 20 2a 28 61 2b 33 29 20 |....if (| *(a+3) |
|00000a10| 3e 3d 20 33 38 34 20 29 | 0d 09 09 72 65 74 75 72 |>= 384 )|...retur|
|00000a20| 6e 28 61 6d 70 20 2a 20 | 2a 28 46 5b 66 6e 6f 5d |n(amp * |*(F[fno]|
|00000a30| 20 2b 20 33 38 34 29 29 | 3b 0d 09 65 6c 73 65 20 | + 384))|;..else |
|00000a40| 7b 0d 09 09 6b 20 3d 20 | 2a 28 61 2b 33 29 3b 0d |{...k = |*(a+3);.|
|00000a50| 09 09 6c 20 3d 20 6b 2b | 31 3b 0d 09 09 64 69 66 |..l = k+|1;...dif|
|00000a60| 66 20 3d 20 2a 28 61 2b | 33 29 20 2d 20 28 69 6e |f = *(a+|3) - (in|
|00000a70| 74 29 2a 28 61 2b 33 29 | 3b 0d 09 09 72 65 74 75 |t)*(a+3)|;...retu|
|00000a80| 72 6e 28 61 6d 70 20 2a | 20 28 2a 28 46 5b 66 6e |rn(amp *| (*(F[fn|
|00000a90| 6f 5d 20 2b 20 6b 29 20 | 2b 20 28 28 2a 28 46 5b |o] + k) |+ ((*(F[|
|00000aa0| 66 6e 6f 5d 2b 6c 29 2d | 2a 28 46 5b 66 6e 6f 5d |fno]+l)-|*(F[fno]|
|00000ab0| 2b 6b 29 29 20 2a 20 64 | 69 66 66 29 29 20 29 3b |+k)) * d|iff)) );|
|00000ac0| 0d 09 7d 0d 7d 0d 0d 0d | 76 6f 69 64 20 61 64 73 |..}.}...|void ads|
|00000ad0| 72 73 65 74 28 20 61 74 | 74 2c 20 64 65 63 2c 20 |rset( at|t, dec, |
|00000ae0| 73 75 73 2c 20 72 65 6c | 2c 20 61 20 29 0d 0d 09 |sus, rel|, a )...|
|00000af0| 64 6f 75 62 6c 65 09 61 | 74 74 2c 20 64 65 63 2c |double.a|tt, dec,|
|00000b00| 20 73 75 73 2c 20 72 65 | 6c 2c 20 2a 61 3b 0d 7b | sus, re|l, *a;.{|
|00000b10| 0d 09 72 65 67 69 73 74 | 65 72 09 20 09 6e 3b 0d |..regist|er. .n;.|
|00000b20| 09 72 65 67 69 73 74 65 | 72 09 64 6f 75 62 6c 65 |.registe|r.double|
|00000b30| 09 66 61 63 20 3d 20 31 | 32 38 2e 30 20 2f 20 73 |.fac = 1|28.0 / s|
|00000b40| 72 61 74 65 3b 0d 09 72 | 65 67 69 73 74 65 72 09 |rate;..r|egister.|
|00000b50| 64 6f 75 62 6c 65 09 73 | 74 20 3d 20 31 2e 30 20 |double.s|t = 1.0 |
|00000b60| 2f 20 73 72 61 74 65 3b | 0d 09 72 65 67 69 73 74 |/ srate;|..regist|
|00000b70| 65 72 09 64 6f 75 62 6c | 65 20 74 5b 34 5d 3b 0d |er.doubl|e t[4];.|
|00000b80| 0d 09 2a 74 20 3d 20 61 | 74 74 3b 0d 09 2a 28 74 |..*t = a|tt;..*(t|
|00000b90| 2b 31 29 20 3d 20 64 65 | 63 3b 0d 09 2a 28 74 2b |+1) = de|c;..*(t+|
|00000ba0| 32 29 20 3d 20 73 75 73 | 3b 0d 09 2a 28 74 2b 33 |2) = sus|;..*(t+3|
|00000bb0| 29 20 3d 20 72 65 6c 3b | 0d 0d 09 66 6f 72 20 28 |) = rel;|...for (|
|00000bc0| 20 6e 20 3d 20 30 3b 20 | 6e 20 3c 20 34 3b 20 6e | n = 0; |n < 4; n|
|00000bd0| 2b 2b 20 29 20 7b 0d 09 | 09 69 66 20 28 20 2a 28 |++ ) {..|.if ( *(|
|00000be0| 74 2b 6e 29 20 3c 3d 20 | 73 74 20 29 20 2a 28 74 |t+n) <= |st ) *(t|
|00000bf0| 2b 6e 29 20 3d 20 73 74 | 3b 0d 09 09 2a 28 61 2b |+n) = st|;...*(a+|
|00000c00| 6e 29 20 3d 20 66 61 63 | 20 2f 20 2a 28 74 2b 6e |n) = fac| / *(t+n|
|00000c10| 29 3b 0d 09 7d 0d 09 2a | 28 61 2b 34 29 20 3d 20 |);..}..*|(a+4) = |
|00000c20| 31 2e 30 20 2d 20 2a 28 | 61 29 3b 0d 7d 09 2f 2a |1.0 - *(|a);.}./*|
|00000c30| 20 61 64 73 72 73 65 74 | 20 2a 2f 0d 0d 0d 0d 64 | adsrset| */....d|
|00000c40| 6f 75 62 6c 65 20 61 64 | 73 72 28 61 6d 70 2c 20 |ouble ad|sr(amp, |
|00000c50| 66 6e 6f 2c 20 61 29 0d | 09 64 6f 75 62 6c 65 09 |fno, a).|.double.|
|00000c60| 61 6d 70 2c 20 2a 61 3b | 0d 09 69 6e 74 09 66 6e |amp, *a;|..int.fn|
|00000c70| 6f 3b 0d 7b 0d 09 72 65 | 67 69 73 74 65 72 20 20 |o;.{..re|gister  |
|00000c80| 6b 3b 0d 09 69 66 20 28 | 20 2a 28 61 2b 34 29 20 |k;..if (| *(a+4) |
|00000c90| 3c 20 31 32 38 2e 30 29 | 20 7b 0d 09 09 2a 28 61 |< 128.0)| {...*(a|
|00000ca0| 2b 34 29 20 2b 3d 20 2a | 28 61 29 3b 0d 09 09 69 |+4) += *|(a);...i|
|00000cb0| 66 20 28 2a 28 61 2b 34 | 29 20 3e 20 31 32 38 2e |f (*(a+4|) > 128.|
|00000cc0| 30 29 20 2a 28 61 2b 34 | 29 20 3d 20 31 32 38 2e |0) *(a+4|) = 128.|
|00000cd0| 30 3b 0d 09 7d 0d 09 65 | 6c 73 65 20 69 66 20 28 |0;..}..e|lse if (|
|00000ce0| 2a 28 61 2b 34 29 20 3c | 20 32 35 36 2e 30 29 20 |*(a+4) <| 256.0) |
|00000cf0| 7b 0d 09 09 2a 28 61 2b | 34 29 20 2b 3d 20 2a 28 |{...*(a+|4) += *(|
|00000d00| 61 2b 31 29 3b 0d 09 09 | 69 66 20 28 2a 28 61 2b |a+1);...|if (*(a+|
|00000d10| 34 29 20 3e 20 32 35 36 | 2e 30 29 20 2a 28 61 2b |4) > 256|.0) *(a+|
|00000d20| 34 29 20 3d 20 32 35 36 | 2e 30 3b 0d 09 7d 0d 09 |4) = 256|.0;..}..|
|00000d30| 65 6c 73 65 20 69 66 20 | 28 2a 28 61 2b 34 29 20 |else if |(*(a+4) |
|00000d40| 3c 20 33 38 34 2e 30 29 | 20 7b 0d 09 09 2a 28 61 |< 384.0)| {...*(a|
|00000d50| 2b 34 29 20 2b 3d 20 2a | 28 61 2b 32 29 3b 0d 09 |+4) += *|(a+2);..|
|00000d60| 09 69 66 20 28 2a 28 61 | 2b 34 29 20 3e 20 33 38 |.if (*(a|+4) > 38|
|00000d70| 34 2e 30 29 20 2a 28 61 | 2b 34 29 20 3d 20 33 38 |4.0) *(a|+4) = 38|
|00000d80| 34 2e 30 3b 0d 09 7d 0d | 09 65 6c 73 65 20 69 66 |4.0;..}.|.else if|
|00000d90| 20 28 2a 28 61 2b 34 29 | 20 3c 20 35 31 32 2e 30 | (*(a+4)| < 512.0|
|00000da0| 29 20 7b 0d 09 09 2a 28 | 61 2b 34 29 20 2b 3d 20 |) {...*(|a+4) += |
|00000db0| 2a 28 61 2b 33 29 3b 0d | 09 09 69 66 20 28 2a 28 |*(a+3);.|..if (*(|
|00000dc0| 61 2b 34 29 20 3e 20 35 | 31 32 2e 30 29 20 2a 28 |a+4) > 5|12.0) *(|
|00000dd0| 61 2b 34 29 20 3d 20 35 | 31 32 2e 30 3b 0d 09 7d |a+4) = 5|12.0;..}|
|00000de0| 0d 09 65 6c 73 65 0d 09 | 09 2a 28 61 2b 34 29 20 |..else..|.*(a+4) |
|00000df0| 3d 20 35 31 32 2e 30 3b | 0d 09 09 0d 09 6b 20 3d |= 512.0;|.....k =|
|00000e00| 20 28 69 6e 74 29 28 2a | 28 61 2b 34 29 20 2b 20 | (int)(*|(a+4) + |
|00000e10| 30 2e 35 29 3b 20 2f 2a | 20 72 6f 75 6e 64 20 74 |0.5); /*| round t|
|00000e20| 6f 20 61 64 64 20 31 20 | 66 6f 72 20 6c 65 6e 67 |o add 1 |for leng|
|00000e30| 74 68 20 69 6e 20 46 5b | 30 5d 20 2a 2f 0d 0d 09 |th in F[|0] */...|
|00000e40| 72 65 74 75 72 6e 28 61 | 6d 70 20 2a 20 2a 28 46 |return(a|mp * *(F|
|00000e50| 5b 66 6e 6f 5d 20 2b 20 | 6b 29 29 3b 0d 7d 0d 09 |[fno] + |k));.}..|
|00000e60| 0d 0d 76 6f 69 64 20 62 | 6c 6e 73 65 74 28 20 62 |..void b|lnset( b|
|00000e70| 77 2c 20 78 69 6e 69 74 | 2c 20 61 20 29 0d 09 64 |w, xinit|, a )..d|
|00000e80| 6f 75 62 6c 65 09 62 77 | 2c 20 78 69 6e 69 74 2c |ouble.bw|, xinit,|
|00000e90| 20 2a 61 3b 0d 7b 0d 09 | 76 6f 69 64 09 74 6f 6e | *a;.{..|void.ton|
|00000ea0| 65 73 65 74 28 29 3b 0d | 09 2f 2a 20 62 77 20 3d |eset();.|./* bw =|
|00000eb0| 20 31 30 2e 30 20 75 73 | 75 61 6c 20 2a 2f 0d 09 | 10.0 us|ual */..|
|00000ec0| 74 6f 6e 65 73 65 74 28 | 62 77 2c 20 78 69 6e 69 |toneset(|bw, xini|
|00000ed0| 74 2c 20 61 29 3b 0d 09 | 74 6f 6e 65 73 65 74 28 |t, a);..|toneset(|
|00000ee0| 62 77 2c 20 78 69 6e 69 | 74 2c 20 28 61 2b 33 29 |bw, xini|t, (a+3)|
|00000ef0| 29 3b 0d 7d 0d 0d 76 6f | 69 64 20 63 6d 62 73 65 |);.}..vo|id cmbse|
|00000f00| 74 28 20 78 6c 6f 6f 70 | 74 2c 20 78 69 6e 69 74 |t( xloop|t, xinit|
|00000f10| 2c 20 61 20 29 0d 09 64 | 6f 75 62 6c 65 09 78 6c |, a )..d|ouble.xl|
|00000f20| 6f 6f 70 74 2c 20 78 69 | 6e 69 74 2c 20 2a 61 3b |oopt, xi|nit, *a;|
|00000f30| 0d 7b 0d 09 72 65 67 69 | 73 74 65 72 09 09 6e 3b |.{..regi|ster..n;|
|00000f40| 0d 09 69 6e 74 09 6c 65 | 3b 0d 0d 09 2a 28 61 29 |..int.le|;...*(a)|
|00000f50| 20 3d 20 34 2e 30 20 2b | 20 28 6c 6f 6e 67 29 28 | = 4.0 +| (long)(|
|00000f60| 78 6c 6f 6f 70 74 20 2a | 20 73 72 61 74 65 20 2b |xloopt *| srate +|
|00000f70| 20 30 2e 35 29 3b 0d 09 | 2a 28 61 2b 31 29 20 3d | 0.5);..|*(a+1) =|
|00000f80| 20 78 6c 6f 6f 70 74 3b | 0d 09 69 66 20 28 20 78 | xloopt;|..if ( x|
|00000f90| 69 6e 69 74 20 3c 3d 20 | 30 2e 30 20 29 20 7b 0d |init <= |0.0 ) {.|
|00000fa0| 09 09 6c 65 20 3d 20 2a | 28 61 29 3b 0d 09 09 66 |..le = *|(a);...f|
|00000fb0| 6f 72 20 28 20 6e 20 3d | 20 35 3b 20 6e 20 3c 20 |or ( n =| 5; n < |
|00000fc0| 6c 65 3b 20 6e 2b 2b 29 | 0d 09 09 09 2a 28 61 2b |le; n++)|....*(a+|
|00000fd0| 6e 29 20 3d 20 30 2e 30 | 3b 0d 09 09 2a 28 61 2b |n) = 0.0|;...*(a+|
|00000fe0| 32 29 20 3d 20 30 2e 30 | 3b 0d 09 09 2a 28 61 2b |2) = 0.0|;...*(a+|
|00000ff0| 33 29 20 3d 20 30 2e 30 | 3b 0d 09 09 2a 28 61 2b |3) = 0.0|;...*(a+|
|00001000| 34 29 20 3d 20 34 2e 30 | 3b 0d 09 7d 0d 7d 0d 0d |4) = 4.0|;..}.}..|
|00001010| 76 6f 69 64 20 73 6c 70 | 73 65 74 28 61 2c 20 62 |void slp|set(a, b|
|00001020| 2c 20 64 75 72 29 0d 09 | 64 6f 75 62 6c 65 20 2a |, dur)..|double *|
|00001030| 61 2c 20 2a 62 2c 20 64 | 75 72 3b 0d 7b 0d 09 2a |a, *b, d|ur;.{..*|
|00001040| 62 20 3d 20 28 20 2a 62 | 20 2d 20 2a 61 29 20 2a |b = ( *b| - *a) *|
|00001050| 20 28 20 31 2e 30 20 2f | 20 28 64 75 72 20 2a 20 | ( 1.0 /| (dur * |
|00001060| 73 72 61 74 65 29 29 3b | 0d 09 2a 61 20 2d 3d 20 |srate));|..*a -= |
|00001070| 2a 62 3b 0d 7d 0d 0d 64 | 6f 75 62 6c 65 20 73 6c |*b;.}..d|ouble sl|
|00001080| 6f 70 65 28 61 2c 20 62 | 29 0d 09 64 6f 75 62 6c |ope(a, b|)..doubl|
|00001090| 65 09 2a 61 2c 20 2a 62 | 3b 0d 7b 0d 09 2a 61 20 |e.*a, *b|;.{..*a |
|000010a0| 2b 3d 20 2a 62 3b 0d 09 | 72 65 74 75 72 6e 28 20 |+= *b;..|return( |
|000010b0| 2a 61 20 29 3b 0d 7d 0d | 0d 76 6f 69 64 20 74 6f |*a );.}.|.void to|
|000010c0| 6e 65 73 65 74 28 20 68 | 70 6f 69 6e 74 2c 20 78 |neset( h|point, x|
|000010d0| 69 6e 69 74 2c 20 61 20 | 29 0d 09 64 6f 75 62 6c |init, a |)..doubl|
|000010e0| 65 09 68 70 6f 69 6e 74 | 2c 20 78 69 6e 69 74 2c |e.hpoint|, xinit,|
|000010f0| 20 2a 61 3b 0d 7b 0d 09 | 72 65 67 69 73 74 65 72 | *a;.{..|register|
|00001100| 09 64 6f 75 62 6c 65 09 | 74 77 6f 70 69 20 20 3d |.double.|twopi  =|
|00001110| 20 38 2e 30 20 2a 20 61 | 74 61 6e 28 31 2e 30 29 | 8.0 * a|tan(1.0)|
|00001120| 3b 0d 09 72 65 67 69 73 | 74 65 72 09 64 6f 75 62 |;..regis|ter.doub|
|00001130| 6c 65 20 62 20 3d 20 32 | 2e 30 20 2d 20 63 6f 73 |le b = 2|.0 - cos|
|00001140| 28 68 70 6f 69 6e 74 20 | 2a 20 74 77 6f 70 69 20 |(hpoint |* twopi |
|00001150| 2f 20 73 72 61 74 65 29 | 3b 0d 09 2a 28 61 2b 31 |/ srate)|;..*(a+1|
|00001160| 29 20 3d 20 62 20 2d 20 | 73 71 72 74 28 62 2a 62 |) = b - |sqrt(b*b|
|00001170| 20 2d 20 31 2e 30 29 3b | 0d 09 2a 28 61 29 20 3d | - 1.0);|..*(a) =|
|00001180| 20 31 2e 30 20 2d 20 2a | 28 61 2b 31 29 3b 0d 09 | 1.0 - *|(a+1);..|
|00001190| 69 66 20 28 20 68 70 6f | 69 6e 74 20 3c 20 30 2e |if ( hpo|int < 0.|
|000011a0| 30 20 29 20 2a 28 61 2b | 31 29 20 3d 20 2d 2a 28 |0 ) *(a+|1) = -*(|
|000011b0| 61 2b 31 29 3b 0d 09 69 | 66 20 28 20 78 69 6e 69 |a+1);..i|f ( xini|
|000011c0| 74 20 3c 3d 20 30 2e 30 | 29 20 2a 28 61 2b 32 29 |t <= 0.0|) *(a+2)|
|000011d0| 20 3d 20 30 2e 30 3b 0d | 7d 0d 0d 64 6f 75 62 6c | = 0.0;.|}..doubl|
|000011e0| 65 20 74 6f 6e 65 28 78 | 2c 20 61 20 29 0d 09 64 |e tone(x|, a )..d|
|000011f0| 6f 75 62 6c 65 09 78 2c | 20 2a 61 3b 0d 7b 0d 09 |ouble.x,| *a;.{..|
|00001200| 2a 28 61 2b 32 29 20 3d | 20 28 2a 28 61 29 20 2a |*(a+2) =| (*(a) *|
|00001210| 20 78 29 20 2b 20 28 2a | 28 61 2b 31 29 20 2a 20 | x) + (*|(a+1) * |
|00001220| 2a 28 61 2b 32 29 29 3b | 0d 09 72 65 74 75 72 6e |*(a+2));|..return|
|00001230| 28 2a 28 61 2b 32 29 29 | 3b 0d 7d 0d 0d 76 6f 69 |(*(a+2))|;.}..voi|
|00001240| 64 20 65 76 70 73 65 74 | 28 64 65 6c 61 79 2c 20 |d evpset|(delay, |
|00001250| 72 69 73 65 2c 20 64 75 | 72 2c 20 64 65 63 61 79 |rise, du|r, decay|
|00001260| 2c 20 6e 66 31 2c 20 6e | 66 32 2c 20 61 20 29 0d |, nf1, n|f2, a ).|
|00001270| 09 64 6f 75 62 6c 65 09 | 64 65 6c 61 79 2c 20 72 |.double.|delay, r|
|00001280| 69 73 65 2c 20 64 75 72 | 2c 20 64 65 63 61 79 2c |ise, dur|, decay,|
|00001290| 20 2a 61 3b 0d 09 69 6e | 74 20 6e 66 31 2c 20 6e | *a;..in|t nf1, n|
|000012a0| 66 32 3b 0d 7b 0d 0d 09 | 2a 28 61 29 20 3d 20 70 |f2;.{...|*(a) = p|
|000012b0| 65 72 69 6f 64 28 72 69 | 73 65 29 3b 0d 2f 2a 20 |eriod(ri|se);./* |
|000012c0| 6f 6c 64 09 2a 28 61 2b | 31 29 20 3d 20 28 73 72 |old.*(a+|1) = (sr|
|000012d0| 61 74 65 20 2a 20 64 65 | 6c 61 79 20 2a 20 2a 28 |ate * de|lay * *(|
|000012e0| 61 29 29 3b 2a 2f 0d 09 | 2a 28 61 2b 31 29 20 3d |a));*/..|*(a+1) =|
|000012f0| 20 2d 28 73 72 61 74 65 | 20 2a 20 64 65 6c 61 79 | -(srate| * delay|
|00001300| 20 2a 20 2a 28 61 29 29 | 3b 0d 09 0d 09 2a 28 61 | * *(a))|;....*(a|
|00001310| 2b 32 29 20 3d 20 2d 28 | 70 65 72 69 6f 64 28 64 |+2) = -(|period(d|
|00001320| 65 63 61 79 29 29 3b 0d | 09 2a 28 61 2b 33 29 20 |ecay));.|.*(a+3) |
|00001330| 3d 20 28 35 31 31 2e 39 | 39 39 39 20 2b 20 2a 28 |= (511.9|999 + *(|
|00001340| 61 2b 32 29 29 20 2d 20 | 28 73 72 61 74 65 20 2a |a+2)) - |(srate *|
|00001350| 20 28 64 75 72 2d 64 65 | 63 61 79 29 20 2a 20 2a | (dur-de|cay) * *|
|00001360| 28 61 2b 32 29 29 3b 0d | 09 2a 28 61 2b 34 29 20 |(a+2));.|.*(a+4) |
|00001370| 3d 20 28 2a 28 46 5b 6e | 66 31 5d 20 2b 20 35 31 |= (*(F[n|f1] + 51|
|00001380| 32 29 29 20 2a 20 28 2a | 28 46 5b 6e 66 32 5d 20 |2)) * (*|(F[nf2] |
|00001390| 2b 20 35 31 32 29 29 3b | 0d 7d 0d 0d 64 6f 75 62 |+ 512));|.}..doub|
|000013a0| 6c 65 20 65 6e 76 6c 70 | 28 61 6d 70 2c 20 6e 66 |le envlp|(amp, nf|
|000013b0| 31 2c 20 6e 66 32 2c 20 | 61 20 29 0d 09 64 6f 75 |1, nf2, |a )..dou|
|000013c0| 62 6c 65 20 61 6d 70 2c | 20 2a 61 3b 0d 09 69 6e |ble amp,| *a;..in|
|000013d0| 74 09 6e 66 31 2c 20 6e | 66 32 3b 0d 7b 0d 09 72 |t.nf1, n|f2;.{..r|
|000013e0| 65 67 69 73 74 65 72 09 | 64 6f 75 62 6c 65 09 78 |egister.|double.x|
|000013f0| 3b 0d 09 78 20 3d 20 6f | 73 63 69 6c 31 28 61 6d |;..x = o|scil1(am|
|00001400| 70 2c 20 2a 28 61 29 2c | 20 6e 66 31 2c 20 28 61 |p, *(a),| nf1, (a|
|00001410| 2b 31 29 29 3b 0d 09 72 | 65 74 75 72 6e 28 20 6f |+1));..r|eturn( o|
|00001420| 73 63 69 6c 31 28 78 2c | 20 2a 28 61 2b 32 29 2c |scil1(x,| *(a+2),|
|00001430| 20 6e 66 32 2c 20 28 61 | 2b 33 29 29 20 2f 20 2a | nf2, (a|+3)) / *|
|00001440| 28 61 2b 34 29 29 3b 0d | 7d 0d 0d 76 6f 69 64 20 |(a+4));.|}..void |
|00001450| 65 78 70 73 65 74 28 61 | 2c 20 62 2c 20 64 75 72 |expset(a|, b, dur|
|00001460| 29 0d 09 64 6f 75 62 6c | 65 09 2a 61 2c 20 2a 62 |)..doubl|e.*a, *b|
|00001470| 2c 20 64 75 72 3b 0d 7b | 0d 09 2a 62 20 3d 20 70 |, dur;.{|..*b = p|
|00001480| 6f 77 28 20 2a 62 20 2f | 20 2a 61 20 2c 20 31 2e |ow( *b /| *a , 1.|
|00001490| 30 20 2f 20 28 64 75 72 | 20 2a 20 73 72 61 74 65 |0 / (dur| * srate|
|000014a0| 29 29 3b 0d 09 2a 61 20 | 2f 3d 20 2a 62 3b 0d 7d |));..*a |/= *b;.}|
|000014b0| 0d 0d 64 6f 75 62 6c 65 | 20 65 78 70 6f 6e 28 61 |..double| expon(a|
|000014c0| 2c 20 62 29 0d 09 64 6f | 75 62 6c 65 20 2a 61 2c |, b)..do|uble *a,|
|000014d0| 20 2a 62 3b 0d 7b 0d 09 | 2a 61 20 2a 3d 20 2a 62 | *b;.{..|*a *= *b|
|000014e0| 3b 0d 09 72 65 74 75 72 | 6e 28 20 2a 61 20 29 3b |;..retur|n( *a );|
|000014f0| 0d 7d 0d 0d 0d 64 6f 75 | 62 6c 65 20 66 6f 72 6d |.}...dou|ble form|
|00001500| 6e 74 28 20 72 6d 73 2c | 20 73 69 2c 20 66 6e 6f |nt( rms,| si, fno|
|00001510| 31 2c 20 66 6e 6f 32 2c | 20 66 6e 6f 33 2c 20 66 |1, fno2,| fno3, f|
|00001520| 6e 6f 34 2c 20 61 29 0d | 09 64 6f 75 62 6c 65 09 |no4, a).|.double.|
|00001530| 72 6d 73 2c 20 73 69 2c | 20 2a 61 3b 0d 09 69 6e |rms, si,| *a;..in|
|00001540| 74 09 66 6e 6f 31 2c 20 | 66 6e 6f 32 2c 20 66 6e |t.fno1, |fno2, fn|
|00001550| 6f 33 2c 20 66 6e 6f 34 | 3b 0d 7b 0d 0d 09 72 65 |o3, fno4|;.{...re|
|00001560| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 09 63 6f |gister.d|ouble.co|
|00001570| 65 66 2c 20 66 72 65 71 | 3b 0d 09 72 65 67 69 73 |ef, freq|;..regis|
|00001580| 74 65 72 20 20 69 2c 20 | 6a 2c 20 6b 3b 0d 09 64 |ter  i, |j, k;..d|
|00001590| 6f 75 62 6c 65 20 78 2c | 20 73 73 2c 20 7a 2c 20 |ouble x,| ss, z, |
|000015a0| 74 3b 0d 09 2f 2a 20 61 | 5b 30 5d 20 3d 20 6f 76 |t;../* a|[0] = ov|
|000015b0| 65 72 61 6c 6c 20 70 68 | 61 73 65 20 2a 2f 0d 09 |erall ph|ase */..|
|000015c0| 2f 2a 20 61 5b 31 5d 20 | 3d 20 70 72 65 76 69 6f |/* a[1] |= previo|
|000015d0| 75 73 20 73 75 6d 20 6f | 66 20 73 71 75 61 72 65 |us sum o|f square|
|000015e0| 73 20 2a 2f 0d 09 2f 2a | 20 61 5b 32 5d 20 3d 20 |s */../*| a[2] = |
|000015f0| 72 65 73 63 61 6c 69 6e | 67 20 64 69 76 69 73 6f |rescalin|g diviso|
|00001600| 72 20 2a 2f 0d 09 0d 09 | 73 73 20 3d 20 30 2e 30 |r */....|ss = 0.0|
|00001610| 3b 0d 09 69 66 20 28 20 | 72 6d 73 20 21 3d 20 30 |;..if ( |rms != 0|
|00001620| 2e 30 20 29 20 7b 0d 09 | 09 7a 20 3d 20 30 2e 30 |.0 ) {..|.z = 0.0|
|00001630| 3b 0d 09 09 66 6f 72 20 | 28 20 69 20 3d 20 31 3b |;...for |( i = 1;|
|00001640| 20 69 20 3c 3d 20 35 30 | 38 3b 20 69 20 2b 3d 20 | i <= 50|8; i += |
|00001650| 33 20 29 20 7b 0d 09 09 | 09 66 72 65 71 20 3d 20 |3 ) {...|.freq = |
|00001660| 2a 28 46 5b 66 6e 6f 32 | 5d 2b 69 29 3b 0d 09 09 |*(F[fno2|]+i);...|
|00001670| 09 69 66 20 28 20 66 72 | 65 71 20 3d 3d 20 30 2e |.if ( fr|eq == 0.|
|00001680| 30 20 29 0d 09 09 09 09 | 62 72 65 61 6b 3b 09 2f |0 ).....|break;./|
|00001690| 2a 67 6f 74 6f 20 4c 34 | 3b 2a 2f 0d 09 09 09 6a |*goto L4|;*/....j|
|000016a0| 20 3d 20 28 6c 6f 6e 67 | 29 28 66 72 65 71 20 2a | = (long|)(freq *|
|000016b0| 20 73 69 20 2a 20 32 2e | 30 20 2b 20 31 2e 35 29 | si * 2.|0 + 1.5)|
|000016c0| 3b 0d 09 09 09 69 66 20 | 28 20 6a 20 3e 20 35 31 |;....if |( j > 51|
|000016d0| 32 29 0d 09 09 09 09 62 | 72 65 61 6b 3b 09 2f 2a |2).....b|reak;./*|
|000016e0| 67 6f 74 6f 20 4c 34 3b | 2a 2f 0d 09 09 09 63 6f |goto L4;|*/....co|
|000016f0| 65 66 20 3d 20 2a 28 46 | 5b 66 6e 6f 32 5d 2b 69 |ef = *(F|[fno2]+i|
|00001700| 2b 31 29 20 2a 20 2a 28 | 46 5b 66 6e 6f 33 5d 2b |+1) * *(|F[fno3]+|
|00001710| 6a 29 3b 0d 09 09 09 69 | 66 20 28 20 66 6e 6f 34 |j);....i|f ( fno4|
|00001720| 20 3c 3d 20 30 29 0d 09 | 09 09 09 78 20 3d 20 63 | <= 0)..|...x = c|
|00001730| 6f 65 66 3b 0d 09 09 09 | 65 6c 73 65 0d 09 09 09 |oef;....|else....|
|00001740| 09 78 20 3d 20 63 6f 65 | 66 20 2f 20 2a 28 46 5b |.x = coe|f / *(F[|
|00001750| 66 6e 6f 34 5d 2b 6a 29 | 3b 0d 09 09 09 73 73 20 |fno4]+j)|;....ss |
|00001760| 2b 3d 20 28 78 20 2a 20 | 78 20 29 3b 0d 09 09 09 |+= (x * |x );....|
|00001770| 6b 20 3d 20 28 28 6c 6f | 6e 67 29 28 28 66 72 65 |k = ((lo|ng)((fre|
|00001780| 71 20 2a 20 2a 61 29 20 | 2b 20 2a 28 46 5b 66 6e |q * *a) |+ *(F[fn|
|00001790| 6f 32 5d 2b 69 2b 32 29 | 29 20 25 20 35 31 32 29 |o2]+i+2)|) % 512)|
|000017a0| 20 2b 20 31 2e 30 3b 0d | 09 09 09 7a 20 2b 3d 20 | + 1.0;.|...z += |
|000017b0| 28 63 6f 65 66 20 2a 20 | 2a 28 46 5b 66 6e 6f 31 |(coef * |*(F[fno1|
|000017c0| 5d 2b 6b 29 29 3b 0d 09 | 09 7d 0d 09 7d 0d 4c 34 |]+k));..|.}..}.L4|
|000017d0| 3a 0d 09 2a 61 20 2b 3d | 20 73 69 3b 0d 09 77 68 |:..*a +=| si;..wh|
|000017e0| 69 6c 65 20 28 20 2a 61 | 20 3e 3d 20 36 35 35 33 |ile ( *a| >= 6553|
|000017f0| 36 2e 30 20 29 0d 09 09 | 2a 61 20 2d 3d 20 36 35 |6.0 )...|*a -= 65|
|00001800| 35 33 36 2e 30 3b 0d 09 | 09 0d 09 69 66 20 28 20 |536.0;..|...if ( |
|00001810| 73 73 20 3d 3d 20 30 2e | 30 20 29 0d 09 09 72 65 |ss == 0.|0 )...re|
|00001820| 74 75 72 6e 28 30 2e 30 | 29 3b 0d 09 09 0d 09 69 |turn(0.0|);.....i|
|00001830| 66 20 28 20 73 73 20 21 | 3d 20 2a 28 61 2b 31 29 |f ( ss !|= *(a+1)|
|00001840| 29 20 7b 0d 09 09 2a 28 | 61 2b 32 29 20 3d 20 73 |) {...*(|a+2) = s|
|00001850| 71 72 74 28 73 73 20 2f | 20 32 2e 30 29 3b 0d 09 |qrt(ss /| 2.0);..|
|00001860| 09 2a 28 61 2b 31 29 20 | 3d 20 73 73 3b 0d 09 7d |.*(a+1) |= ss;..}|
|00001870| 0d 09 72 65 74 75 72 6e | 28 20 7a 20 2a 20 72 6d |..return|( z * rm|
|00001880| 73 20 2f 20 2a 28 61 2b | 32 29 29 3b 0d 7d 0d 0d |s / *(a+|2));.}..|
|00001890| 76 6f 69 64 20 68 66 32 | 73 65 74 28 66 63 2c 20 |void hf2|set(fc, |
|000018a0| 7a 65 74 2c 20 61 29 0d | 09 64 6f 75 62 6c 65 09 |zet, a).|.double.|
|000018b0| 66 63 2c 20 7a 65 74 2c | 20 2a 61 3b 0d 7b 0d 09 |fc, zet,| *a;.{..|
|000018c0| 72 65 67 69 73 74 65 72 | 09 64 6f 75 62 6c 65 09 |register|.double.|
|000018d0| 70 69 20 3d 20 34 2e 30 | 20 2a 20 61 74 61 6e 28 |pi = 4.0| * atan(|
|000018e0| 31 2e 30 29 3b 0d 09 72 | 65 67 69 73 74 65 72 09 |1.0);..r|egister.|
|000018f0| 64 6f 75 62 6c 65 09 77 | 63 70 20 3d 20 74 61 6e |double.w|cp = tan|
|00001900| 28 70 69 20 2a 20 66 63 | 20 2f 20 73 72 61 74 65 |(pi * fc| / srate|
|00001910| 29 3b 0d 09 72 65 67 69 | 73 74 65 72 09 64 6f 75 |);..regi|ster.dou|
|00001920| 62 6c 65 09 77 63 70 32 | 20 3d 20 77 63 70 20 2a |ble.wcp2| = wcp *|
|00001930| 20 77 63 70 3b 0d 09 72 | 65 67 69 73 74 65 72 09 | wcp;..r|egister.|
|00001940| 64 6f 75 62 6c 65 09 74 | 77 7a 77 63 70 20 3d 20 |double.t|wzwcp = |
|00001950| 32 2e 30 20 2a 20 7a 65 | 74 20 2a 20 77 63 70 3b |2.0 * ze|t * wcp;|
|00001960| 0d 0d 09 2a 28 61 2b 34 | 29 20 3d 20 31 2e 30 20 |...*(a+4|) = 1.0 |
|00001970| 2f 20 28 20 31 2e 30 20 | 2b 20 74 77 7a 77 63 70 |/ ( 1.0 |+ twzwcp|
|00001980| 20 2b 20 77 63 70 32 20 | 29 3b 0d 09 2a 28 61 2b | + wcp2 |);..*(a+|
|00001990| 35 29 20 3d 20 32 2e 30 | 20 2a 20 28 20 31 2e 30 |5) = 2.0| * ( 1.0|
|000019a0| 20 2d 20 77 63 70 32 29 | 20 2a 20 2a 28 61 2b 34 | - wcp2)| * *(a+4|
|000019b0| 29 3b 0d 09 2a 28 61 2b | 36 29 20 3d 20 2d 28 20 |);..*(a+|6) = -( |
|000019c0| 31 2e 30 20 2d 20 74 77 | 7a 77 63 70 20 2b 20 77 |1.0 - tw|zwcp + w|
|000019d0| 63 70 32 29 20 2a 20 2a | 28 61 2b 34 29 3b 0d 7d |cp2) * *|(a+4);.}|
|000019e0| 0d 0d 64 6f 75 62 6c 65 | 20 68 70 66 32 28 20 79 |..double| hpf2( y|
|000019f0| 2c 20 61 20 29 0d 09 64 | 6f 75 62 6c 65 09 79 2c |, a )..d|ouble.y,|
|00001a00| 20 2a 61 3b 0d 7b 0d 2f | 2a 20 32 6e 64 20 6f 72 | *a;.{./|* 2nd or|
|00001a10| 64 65 72 20 68 69 67 68 | 20 70 61 73 73 20 66 69 |der high| pass fi|
|00001a20| 6c 74 65 72 2c 0d 2a 20 | 64 69 67 69 74 61 6c 20 |lter,.* |digital |
|00001a30| 72 65 63 75 72 73 69 6f | 6e 20 66 6f 72 6d 75 6c |recursio|n formul|
|00001a40| 61 20 70 61 72 61 6d 65 | 74 65 72 20 61 73 73 69 |a parame|ter assi|
|00001a50| 67 6e 6d 65 6e 74 73 3a | 0d 2a 20 2a 61 20 3d 20 |gnments:|.* *a = |
|00001a60| 79 31 2c 20 2a 28 61 2b | 31 29 20 3d 20 79 32 2c |y1, *(a+|1) = y2,|
|00001a70| 20 2a 28 61 2b 32 29 20 | 3d 20 7a 31 2c 20 2a 28 | *(a+2) |= z1, *(|
|00001a80| 61 2b 33 29 20 3d 20 7a | 32 2c 20 2a 28 61 2b 34 |a+3) = z|2, *(a+4|
|00001a90| 29 20 3d 20 70 30 2c 0d | 2a 20 2a 28 61 2b 35 29 |) = p0,.|* *(a+5)|
|00001aa0| 20 3d 20 71 31 2c 20 2a | 28 61 2b 36 29 20 3d 20 | = q1, *|(a+6) = |
|00001ab0| 71 32 2e 0d 2a 2f 0d 09 | 72 65 67 69 73 74 65 72 |q2..*/..|register|
|00001ac0| 09 64 6f 75 62 6c 65 20 | 73 69 67 20 3d 20 2a 28 |.double |sig = *(|
|00001ad0| 61 2b 34 29 20 2a 20 28 | 20 79 2d 2a 61 2d 2a 61 |a+4) * (| y-*a-*a|
|00001ae0| 2b 2a 28 61 2b 31 29 29 | 0d 09 09 09 09 09 09 2b |+*(a+1))|.......+|
|00001af0| 20 2a 28 61 2b 35 29 20 | 2a 20 2a 28 61 2b 32 29 | *(a+5) |* *(a+2)|
|00001b00| 20 2b 20 2a 28 61 2b 36 | 29 20 2a 20 2a 28 61 2b | + *(a+6|) * *(a+|
|00001b10| 33 29 3b 0d 09 2a 28 61 | 2b 31 29 20 3d 20 2a 61 |3);..*(a|+1) = *a|
|00001b20| 3b 0d 09 2a 61 20 3d 20 | 79 3b 0d 09 2a 28 61 2b |;..*a = |y;..*(a+|
|00001b30| 33 29 20 3d 20 2a 28 61 | 2b 32 29 3b 0d 09 2a 28 |3) = *(a|+2);..*(|
|00001b40| 61 2b 32 29 20 3d 20 73 | 69 67 3b 0d 09 72 65 74 |a+2) = s|ig;..ret|
|00001b50| 75 72 6e 28 73 69 67 29 | 3b 0d 7d 0d 0d 76 6f 69 |urn(sig)|;.}..voi|
|00001b60| 64 20 6c 69 6e 73 65 74 | 28 72 69 73 65 2c 20 64 |d linset|(rise, d|
|00001b70| 75 72 2c 20 64 65 63 61 | 79 2c 20 61 29 0d 09 64 |ur, deca|y, a)..d|
|00001b80| 6f 75 62 6c 65 09 72 69 | 73 65 2c 20 64 75 72 2c |ouble.ri|se, dur,|
|00001b90| 20 64 65 63 61 79 2c 20 | 2a 61 3b 0d 7b 0d 09 2a | decay, |*a;.{..*|
|00001ba0| 28 61 2b 33 29 20 3d 20 | 30 2e 30 3b 0d 09 69 66 |(a+3) = |0.0;..if|
|00001bb0| 20 28 20 72 69 73 65 20 | 3d 3d 20 30 2e 30 20 29 | ( rise |== 0.0 )|
|00001bc0| 20 2a 28 61 29 20 3d 20 | 30 2e 30 3b 0d 09 65 6c | *(a) = |0.0;..el|
|00001bd0| 73 65 20 7b 0d 09 09 2a | 28 61 29 20 3d 20 28 6c |se {...*|(a) = (l|
|00001be0| 6f 6e 67 29 20 28 72 69 | 73 65 20 2a 20 73 72 61 |ong) (ri|se * sra|
|00001bf0| 74 65 20 2b 20 31 2e 35 | 29 3b 0d 09 09 2a 28 61 |te + 1.5|);...*(a|
|00001c00| 2b 34 29 20 3d 20 31 2e | 30 20 2f 20 2a 28 61 29 |+4) = 1.|0 / *(a)|
|00001c10| 3b 0d 09 09 2a 28 61 2b | 36 29 20 3d 20 2d 2a 28 |;...*(a+|6) = -*(|
|00001c20| 61 2b 34 29 3b 0d 09 7d | 0d 0d 09 69 66 20 28 20 |a+4);..}|...if ( |
|00001c30| 64 65 63 61 79 20 3d 3d | 20 30 2e 30 20 29 20 2a |decay ==| 0.0 ) *|
|00001c40| 28 61 2b 32 29 20 3d 20 | 30 2e 30 3b 0d 09 65 6c |(a+2) = |0.0;..el|
|00001c50| 73 65 20 7b 0d 09 09 2a | 28 61 2b 32 29 20 3d 20 |se {...*|(a+2) = |
|00001c60| 28 6c 6f 6e 67 29 28 64 | 65 63 61 79 20 2a 20 73 |(long)(d|ecay * s|
|00001c70| 72 61 74 65 20 2b 20 30 | 2e 35 29 3b 0d 09 09 2a |rate + 0|.5);...*|
|00001c80| 28 61 2b 35 29 20 3d 20 | 31 2e 30 20 2f 20 2a 28 |(a+5) = |1.0 / *(|
|00001c90| 61 2b 32 29 3b 0d 09 09 | 2a 28 61 2b 37 29 20 3d |a+2);...|*(a+7) =|
|00001ca0| 20 31 2e 30 3b 0d 09 7d | 0d 09 2a 28 61 2b 31 29 | 1.0;..}|..*(a+1)|
|00001cb0| 20 3d 20 28 6c 6f 6e 67 | 29 28 64 75 72 20 2a 20 | = (long|)(dur * |
|00001cc0| 73 72 61 74 65 20 2b 20 | 30 2e 35 29 3b 0d 09 2a |srate + |0.5);..*|
|00001cd0| 28 61 2b 32 29 20 3d 20 | 2a 28 61 2b 31 29 20 2d |(a+2) = |*(a+1) -|
|00001ce0| 20 2a 28 61 2b 32 29 3b | 0d 7d 0d 0d 64 6f 75 62 | *(a+2);|.}..doub|
|00001cf0| 6c 65 20 6c 69 6e 65 6e | 73 28 61 6d 70 2c 20 61 |le linen|s(amp, a|
|00001d00| 29 0d 09 64 6f 75 62 6c | 65 09 61 6d 70 2c 20 2a |)..doubl|e.amp, *|
|00001d10| 61 3b 0d 7b 0d 09 2a 28 | 61 2b 33 29 20 2b 3d 20 |a;.{..*(|a+3) += |
|00001d20| 31 2e 30 3b 0d 09 69 66 | 20 28 20 2a 28 61 2b 33 |1.0;..if| ( *(a+3|
|00001d30| 29 20 3c 3d 20 2a 28 61 | 29 29 20 7b 0d 09 09 2a |) <= *(a|)) {...*|
|00001d40| 28 61 2b 36 29 20 2b 3d | 20 2a 28 61 2b 34 29 3b |(a+6) +=| *(a+4);|
|00001d50| 0d 09 09 72 65 74 75 72 | 6e 28 20 61 6d 70 20 2a |...retur|n( amp *|
|00001d60| 20 2a 28 61 2b 36 29 29 | 3b 0d 09 7d 0d 09 65 6c | *(a+6))|;..}..el|
|00001d70| 73 65 20 69 66 20 28 20 | 2a 28 61 2b 33 29 20 3c |se if ( |*(a+3) <|
|00001d80| 3d 20 2a 28 61 2b 32 29 | 29 0d 09 09 72 65 74 75 |= *(a+2)|)...retu|
|00001d90| 72 6e 28 61 6d 70 29 3b | 0d 09 65 6c 73 65 20 69 |rn(amp);|..else i|
|00001da0| 66 20 28 20 2a 28 61 2b | 33 29 20 3e 20 2a 28 61 |f ( *(a+|3) > *(a|
|00001db0| 2b 32 29 29 20 7b 0d 09 | 09 2a 28 61 2b 37 29 20 |+2)) {..|.*(a+7) |
|00001dc0| 2d 3d 20 2a 28 61 2b 35 | 29 3b 0d 09 09 72 65 74 |-= *(a+5|);...ret|
|00001dd0| 75 72 6e 28 61 6d 70 20 | 2a 20 2a 28 61 2b 37 29 |urn(amp |* *(a+7)|
|00001de0| 29 3b 0d 09 7d 0d 09 65 | 6c 73 65 0d 09 09 72 65 |);..}..e|lse...re|
|00001df0| 74 75 72 6e 28 30 2e 30 | 29 3b 0d 7d 0d 0d 0d 64 |turn(0.0|);.}...d|
|00001e00| 6f 75 62 6c 65 20 6e 6f | 6e 6c 69 6e 28 61 6d 70 |ouble no|nlin(amp|
|00001e10| 2c 20 78 2c 20 66 6e 6f | 29 0d 09 64 6f 75 62 6c |, x, fno|)..doubl|
|00001e20| 65 09 61 6d 70 2c 20 78 | 3b 0d 09 69 6e 74 09 66 |e.amp, x|;..int.f|
|00001e30| 6e 6f 3b 0d 7b 0d 09 72 | 65 67 69 73 74 65 72 09 |no;.{..r|egister.|
|00001e40| 64 6f 75 62 6c 65 09 66 | 72 61 63 3b 0d 09 72 65 |double.f|rac;..re|
|00001e50| 67 69 73 74 65 72 09 20 | 6b 2c 20 6c 3b 0d 09 2f |gister. |k, l;../|
|00001e60| 2a 20 69 6e 74 65 72 70 | 6f 6c 61 74 69 6e 67 20 |* interp|olating |
|00001e70| 6c 6f 6f 6b 75 70 20 6f | 66 20 74 72 61 6e 73 66 |lookup o|f transf|
|00001e80| 65 72 20 66 75 6e 63 74 | 69 6f 6e 20 66 6f 72 20 |er funct|ion for |
|00001e90| 6e 6f 6e 2d 6c 69 6e 65 | 61 72 20 64 69 73 74 6f |non-line|ar disto|
|00001ea0| 72 74 69 6f 6e 0d 09 20 | 28 77 61 76 65 73 68 61 |rtion.. |(wavesha|
|00001eb0| 70 69 6e 67 29 20 2a 2f | 0d 09 6b 20 3d 20 78 20 |ping) */|..k = x |
|00001ec0| 2b 20 28 69 6e 74 29 28 | 2a 28 46 5b 66 6e 6f 5d |+ (int)(|*(F[fno]|
|00001ed0| 29 2f 32 2e 30 29 20 2b | 20 31 3b 0d 09 69 66 20 |)/2.0) +| 1;..if |
|00001ee0| 28 20 6b 20 3e 20 28 69 | 6e 74 29 2a 28 46 5b 66 |( k > (i|nt)*(F[f|
|00001ef0| 6e 6f 5d 20 2d 20 31 29 | 20 29 0d 09 09 6b 20 3d |no] - 1)| )...k =|
|00001f00| 20 28 69 6e 74 29 2a 28 | 46 5b 66 6e 6f 5d 29 3b | (int)*(|F[fno]);|
|00001f10| 0d 09 65 6c 73 65 20 69 | 66 20 28 20 6b 20 3c 20 |..else i|f ( k < |
|00001f20| 31 20 29 0d 09 09 6b 20 | 3d 20 31 3b 0d 09 6c 20 |1 )...k |= 1;..l |
|00001f30| 3d 20 6b 20 2b 20 31 3b | 0d 09 66 72 61 63 20 3d |= k + 1;|..frac =|
|00001f40| 20 78 20 2d 20 28 69 6e | 74 29 78 3b 0d 09 72 65 | x - (in|t)x;..re|
|00001f50| 74 75 72 6e 28 20 61 6d | 70 20 2a 20 28 20 2a 28 |turn( am|p * ( *(|
|00001f60| 46 5b 66 6e 6f 5d 2b 6b | 29 20 2b 20 28 20 2a 28 |F[fno]+k|) + ( *(|
|00001f70| 46 5b 66 6e 6f 5d 2b 6c | 29 20 2d 20 2a 28 46 5b |F[fno]+l|) - *(F[|
|00001f80| 66 6e 6f 5d 2b 6b 29 29 | 20 2a 20 66 72 61 63 29 |fno]+k))| * frac)|
|00001f90| 29 3b 0d 7d 0d 0d 64 6f | 75 62 6c 65 20 6f 73 63 |);.}..do|uble osc|
|00001fa0| 69 6c 28 61 6d 70 2c 20 | 73 69 2c 20 66 6e 6f 2c |il(amp, |si, fno,|
|00001fb0| 20 70 68 73 29 0d 09 64 | 6f 75 62 6c 65 09 61 6d | phs)..d|ouble.am|
|00001fc0| 70 2c 20 73 69 2c 20 2a | 70 68 73 3b 0d 09 69 6e |p, si, *|phs;..in|
|00001fd0| 74 09 66 6e 6f 3b 0d 7b | 0d 09 2f 2a 20 74 72 75 |t.fno;.{|../* tru|
|00001fe0| 6e 63 61 74 69 6e 67 20 | 64 69 67 69 74 61 6c 20 |ncating |digital |
|00001ff0| 6f 73 63 69 6c 6c 61 74 | 6f 72 2c 20 6e 65 67 61 |oscillat|or, nega|
|00002000| 74 69 76 65 20 73 61 6d | 70 20 69 6e 63 73 20 6f |tive sam|p incs o|
|00002010| 6b 20 2a 2f 0d 09 72 65 | 67 69 73 74 65 72 09 64 |k */..re|gister.d|
|00002020| 6f 75 62 6c 65 20 73 69 | 67 20 3d 20 61 6d 70 20 |ouble si|g = amp |
|00002030| 2a 20 2a 28 46 5b 66 6e | 6f 5d 20 2b 20 28 28 69 |* *(F[fn|o] + ((i|
|00002040| 6e 74 29 28 2a 70 68 73 | 2b 31 2e 30 29 29 29 3b |nt)(*phs|+1.0)));|
|00002050| 0d 09 2a 70 68 73 20 2b | 3d 20 73 69 3b 0d 09 77 |..*phs +|= si;..w|
|00002060| 68 69 6c 65 20 28 2a 70 | 68 73 20 3c 20 30 2e 30 |hile (*p|hs < 0.0|
|00002070| 29 20 7b 0d 09 09 2a 70 | 68 73 20 2b 3d 20 2a 28 |) {...*p|hs += *(|
|00002080| 46 5b 66 6e 6f 5d 29 3b | 0d 09 7d 0d 09 77 68 69 |F[fno]);|..}..whi|
|00002090| 6c 65 20 28 2a 70 68 73 | 20 3e 3d 20 2a 28 46 5b |le (*phs| >= *(F[|
|000020a0| 66 6e 6f 5d 29 29 20 7b | 0d 09 09 2a 70 68 73 20 |fno])) {|...*phs |
|000020b0| 2d 3d 20 2a 28 46 5b 66 | 6e 6f 5d 29 3b 0d 09 7d |-= *(F[f|no]);..}|
|000020c0| 0d 09 72 65 74 75 72 6e | 28 20 73 69 67 20 29 3b |..return|( sig );|
|000020d0| 0d 7d 0d 0d 64 6f 75 62 | 6c 65 20 6f 73 63 69 6c |.}..doub|le oscil|
|000020e0| 31 28 61 6d 70 2c 20 73 | 69 2c 20 66 6e 6f 2c 20 |1(amp, s|i, fno, |
|000020f0| 70 68 73 29 0d 09 64 6f | 75 62 6c 65 09 61 6d 70 |phs)..do|uble.amp|
|00002100| 2c 20 73 69 2c 20 2a 70 | 68 73 3b 0d 09 69 6e 74 |, si, *p|hs;..int|
|00002110| 09 66 6e 6f 3b 0d 7b 0d | 09 72 65 67 69 73 74 65 |.fno;.{.|.registe|
|00002120| 72 09 64 6f 75 62 6c 65 | 20 73 69 67 3b 0d 2f 2a |r.double| sig;./*|
|00002130| 20 74 72 75 6e 63 61 74 | 69 6e 67 20 66 75 6e 63 | truncat|ing func|
|00002140| 74 69 6f 6e 20 6c 6f 6f | 6b 75 70 2c 20 73 61 6d |tion loo|kup, sam|
|00002150| 70 6c 65 73 20 66 75 6e | 63 74 69 6f 6e 20 6f 6e |ples fun|ction on|
|00002160| 63 65 2c 0d 2a 20 20 68 | 6f 6c 64 73 20 6c 61 73 |ce,.*  h|olds las|
|00002170| 74 20 76 61 6c 75 65 20 | 69 66 20 70 68 73 20 65 |t value |if phs e|
|00002180| 78 63 65 65 64 73 20 2a | 28 46 5b 66 6e 6f 5d 29 |xceeds *|(F[fno])|
|00002190| 20 69 2e 65 2e 20 6c 65 | 6e 67 74 68 20 6f 66 20 | i.e. le|ngth of |
|000021a0| 66 75 6e 63 74 69 6f 6e | 20 2a 2f 0d 09 69 66 20 |function| */..if |
|000021b0| 28 2a 70 68 73 20 3e 3d | 20 2a 28 46 5b 66 6e 6f |(*phs >=| *(F[fno|
|000021c0| 5d 29 29 0d 09 09 73 69 | 67 20 3d 20 61 6d 70 20 |]))...si|g = amp |
|000021d0| 2a 20 2a 28 46 5b 66 6e | 6f 5d 20 2b 20 28 69 6e |* *(F[fn|o] + (in|
|000021e0| 74 29 2a 28 46 5b 66 6e | 6f 5d 29 29 3b 0d 09 65 |t)*(F[fn|o]));..e|
|000021f0| 6c 73 65 20 7b 0d 09 09 | 69 66 20 28 2a 70 68 73 |lse {...|if (*phs|
|00002200| 20 3c 3d 20 30 2e 30 20 | 29 0d 09 09 09 73 69 67 | <= 0.0 |)....sig|
|00002210| 20 3d 20 61 6d 70 20 2a | 20 2a 28 46 5b 66 6e 6f | = amp *| *(F[fno|
|00002220| 5d 20 2b 20 31 29 3b 0d | 09 09 65 6c 73 65 0d 09 |] + 1);.|..else..|
|00002230| 09 09 73 69 67 20 3d 20 | 61 6d 70 20 2a 20 2a 28 |..sig = |amp * *(|
|00002240| 46 5b 66 6e 6f 5d 20 2b | 20 28 28 69 6e 74 29 28 |F[fno] +| ((int)(|
|00002250| 2a 70 68 73 2b 31 2e 30 | 29 29 29 3b 0d 09 7d 0d |*phs+1.0|)));..}.|
|00002260| 09 2a 70 68 73 20 2b 3d | 20 73 69 3b 0d 09 72 65 |.*phs +=| si;..re|
|00002270| 74 75 72 6e 28 73 69 67 | 29 3b 0d 7d 0d 0d 64 6f |turn(sig|);.}..do|
|00002280| 75 62 6c 65 20 6f 73 63 | 69 31 28 61 6d 70 2c 20 |uble osc|i1(amp, |
|00002290| 73 69 2c 20 66 6e 6f 2c | 20 70 68 73 29 0d 09 64 |si, fno,| phs)..d|
|000022a0| 6f 75 62 6c 65 09 61 6d | 70 2c 20 73 69 2c 20 2a |ouble.am|p, si, *|
|000022b0| 70 68 73 3b 0d 09 69 6e | 74 09 66 6e 6f 3b 0d 7b |phs;..in|t.fno;.{|
|000022c0| 0d 09 72 65 67 69 73 74 | 65 72 09 64 6f 75 62 6c |..regist|er.doubl|
|000022d0| 65 09 73 69 67 2c 20 66 | 72 61 63 3b 0d 09 72 65 |e.sig, f|rac;..re|
|000022e0| 67 69 73 74 65 72 20 20 | 6b 2c 20 6c 3b 0d 2f 2a |gister  |k, l;./*|
|000022f0| 20 69 6e 74 65 72 70 6f | 6c 61 74 69 6e 67 20 76 | interpo|lating v|
|00002300| 65 72 73 69 6f 6e 20 6f | 66 20 6f 73 63 69 6c 31 |ersion o|f oscil1|
|00002310| 20 2a 2f 0d 09 69 66 20 | 28 2a 70 68 73 20 3e 3d | */..if |(*phs >=|
|00002320| 20 2a 28 46 5b 66 6e 6f | 5d 29 29 0d 09 09 73 69 | *(F[fno|]))...si|
|00002330| 67 20 3d 20 61 6d 70 20 | 2a 20 2a 28 46 5b 66 6e |g = amp |* *(F[fn|
|00002340| 6f 5d 20 2b 20 28 69 6e | 74 29 2a 28 46 5b 66 6e |o] + (in|t)*(F[fn|
|00002350| 6f 5d 29 29 3b 0d 09 65 | 6c 73 65 20 7b 0d 09 09 |o]));..e|lse {...|
|00002360| 69 66 20 28 2a 70 68 73 | 20 3c 3d 20 30 2e 30 20 |if (*phs| <= 0.0 |
|00002370| 29 0d 09 09 09 73 69 67 | 20 3d 20 61 6d 70 20 2a |)....sig| = amp *|
|00002380| 20 2a 28 46 5b 66 6e 6f | 5d 20 2b 20 31 29 3b 0d | *(F[fno|] + 1);.|
|00002390| 09 09 65 6c 73 65 20 7b | 0d 09 09 09 6b 20 3d 20 |..else {|....k = |
|000023a0| 2a 70 68 73 20 2b 20 31 | 2e 30 3b 0d 09 09 09 6c |*phs + 1|.0;....l|
|000023b0| 20 3d 20 6b 20 2b 20 31 | 3b 0d 09 09 09 66 72 61 | = k + 1|;....fra|
|000023c0| 63 20 3d 20 2a 70 68 73 | 20 2d 20 28 69 6e 74 29 |c = *phs| - (int)|
|000023d0| 2a 70 68 73 3b 0d 09 09 | 09 73 69 67 20 3d 20 61 |*phs;...|.sig = a|
|000023e0| 6d 70 20 2a 20 28 20 2a | 28 46 5b 66 6e 6f 5d 2b |mp * ( *|(F[fno]+|
|000023f0| 6b 29 20 2b 20 28 20 2a | 28 46 5b 66 6e 6f 5d 2b |k) + ( *|(F[fno]+|
|00002400| 6c 29 20 2d 20 2a 28 46 | 5b 66 6e 6f 5d 2b 6b 29 |l) - *(F|[fno]+k)|
|00002410| 29 20 2a 20 66 72 61 63 | 29 3b 0d 09 09 7d 0d 09 |) * frac|);...}..|
|00002420| 09 2a 70 68 73 20 2b 3d | 20 73 69 3b 0d 09 7d 0d |.*phs +=| si;..}.|
|00002430| 09 72 65 74 75 72 6e 28 | 73 69 67 29 3b 0d 7d 0d |.return(|sig);.}.|
|00002440| 0d 0d 64 6f 75 62 6c 65 | 20 6f 73 63 69 6c 69 28 |..double| oscili(|
|00002450| 61 6d 70 2c 20 73 69 2c | 20 66 6e 6f 2c 20 70 68 |amp, si,| fno, ph|
|00002460| 73 29 0d 09 64 6f 75 62 | 6c 65 09 61 6d 70 2c 20 |s)..doub|le.amp, |
|00002470| 73 69 2c 20 2a 70 68 73 | 3b 0d 09 69 6e 74 09 66 |si, *phs|;..int.f|
|00002480| 6e 6f 3b 0d 7b 0d 09 2f | 2a 20 69 6e 74 65 72 70 |no;.{../|* interp|
|00002490| 6f 6c 61 74 69 6e 67 20 | 64 69 67 69 74 61 6c 20 |olating |digital |
|000024a0| 6f 73 63 69 6c 6c 61 74 | 6f 72 2c 20 6e 65 67 61 |oscillat|or, nega|
|000024b0| 74 69 76 65 20 73 61 6d | 70 20 69 6e 63 73 20 6f |tive sam|p incs o|
|000024c0| 6b 20 2a 2f 0d 09 72 65 | 67 69 73 74 65 72 09 64 |k */..re|gister.d|
|000024d0| 6f 75 62 6c 65 09 73 69 | 67 2c 20 66 72 61 63 3b |ouble.si|g, frac;|
|000024e0| 0d 09 72 65 67 69 73 74 | 65 72 09 20 6b 2c 20 6c |..regist|er. k, l|
|000024f0| 3b 0d 09 6b 20 3d 20 2a | 70 68 73 20 2b 20 31 2e |;..k = *|phs + 1.|
|00002500| 30 3b 0d 09 6c 20 3d 20 | 6b 20 25 20 28 69 6e 74 |0;..l = |k % (int|
|00002510| 29 28 2a 28 46 5b 66 6e | 6f 5d 29 29 20 2b 20 31 |)(*(F[fn|o])) + 1|
|00002520| 3b 0d 09 66 72 61 63 20 | 3d 20 2a 70 68 73 20 2d |;..frac |= *phs -|
|00002530| 20 28 69 6e 74 29 2a 70 | 68 73 3b 0d 09 2a 70 68 | (int)*p|hs;..*ph|
|00002540| 73 20 2b 3d 20 28 73 69 | 29 3b 0d 09 77 68 69 6c |s += (si|);..whil|
|00002550| 65 20 28 2a 70 68 73 20 | 3c 20 30 2e 30 29 0d 09 |e (*phs |< 0.0)..|
|00002560| 09 2a 70 68 73 20 2b 3d | 20 2a 28 46 5b 66 6e 6f |.*phs +=| *(F[fno|
|00002570| 5d 29 3b 0d 09 77 68 69 | 6c 65 20 28 2a 70 68 73 |]);..whi|le (*phs|
|00002580| 20 3e 3d 20 2a 28 46 5b | 66 6e 6f 5d 29 29 0d 09 | >= *(F[|fno]))..|
|00002590| 09 2a 70 68 73 20 2d 3d | 20 2a 28 46 5b 66 6e 6f |.*phs -=| *(F[fno|
|000025a0| 5d 29 3b 0d 09 73 69 67 | 20 3d 20 61 6d 70 20 2a |]);..sig| = amp *|
|000025b0| 20 28 20 2a 28 46 5b 66 | 6e 6f 5d 2b 6b 29 20 2b | ( *(F[f|no]+k) +|
|000025c0| 20 28 20 2a 28 46 5b 66 | 6e 6f 5d 2b 6c 29 20 2d | ( *(F[f|no]+l) -|
|000025d0| 20 2a 28 46 5b 66 6e 6f | 5d 2b 6b 29 29 20 2a 20 | *(F[fno|]+k)) * |
|000025e0| 66 72 61 63 29 3b 0d 09 | 72 65 74 75 72 6e 28 73 |frac);..|return(s|
|000025f0| 69 67 29 3b 0d 7d 0d 0d | 76 6f 69 64 20 72 73 6e |ig);.}..|void rsn|
|00002600| 73 65 74 28 63 66 2c 20 | 62 77 2c 20 73 63 6c 2c |set(cf, |bw, scl,|
|00002610| 20 78 69 6e 69 74 2c 20 | 61 20 29 0d 09 64 6f 75 | xinit, |a )..dou|
|00002620| 62 6c 65 09 63 66 2c 20 | 62 77 2c 20 73 63 6c 2c |ble.cf, |bw, scl,|
|00002630| 20 78 69 6e 69 74 2c 20 | 2a 61 3b 0d 7b 0d 2f 2a | xinit, |*a;.{./*|
|00002640| 0d 2a 20 73 63 6c 20 3d | 20 31 2e 30 20 73 65 74 |.* scl =| 1.0 set|
|00002650| 73 20 67 61 69 6e 20 61 | 74 20 31 2e 30 20 63 66 |s gain a|t 1.0 cf|
|00002660| 0d 2a 20 73 63 6c 20 3d | 20 32 2e 30 20 73 65 74 |.* scl =| 2.0 set|
|00002670| 73 20 67 61 69 6e 20 61 | 74 20 31 2e 30 20 6f 6e |s gain a|t 1.0 on|
|00002680| 20 72 61 6e 64 6f 6d 20 | 69 6e 70 75 74 0d 2a 20 | random |input.* |
|00002690| 73 63 6c 20 3d 20 30 2e | 30 20 6d 65 61 6e 73 20 |scl = 0.|0 means |
|000026a0| 6e 6f 20 73 63 61 6c 69 | 6e 67 0d 2a 2f 0d 09 72 |no scali|ng.*/..r|
|000026b0| 65 67 69 73 74 65 72 09 | 64 6f 75 62 6c 65 09 74 |egister.|double.t|
|000026c0| 77 6f 70 69 20 3d 20 38 | 2e 30 20 2a 20 61 74 61 |wopi = 8|.0 * ata|
|000026d0| 6e 28 31 2e 30 29 3b 0d | 09 72 65 67 69 73 74 65 |n(1.0);.|.registe|
|000026e0| 72 09 64 6f 75 62 6c 65 | 09 63 3b 0d 09 69 66 20 |r.double|.c;..if |
|000026f0| 28 20 78 69 6e 69 74 20 | 3c 3d 20 30 2e 30 20 29 |( xinit |<= 0.0 )|
|00002700| 20 7b 0d 09 09 2a 28 61 | 2b 34 29 20 3d 20 30 2e | {...*(a|+4) = 0.|
|00002710| 30 3b 0d 09 09 2a 28 61 | 2b 33 29 20 3d 20 30 2e |0;...*(a|+3) = 0.|
|00002720| 30 3b 0d 09 7d 0d 09 2a | 28 61 2b 32 29 20 3d 20 |0;..}..*|(a+2) = |
|00002730| 65 78 70 28 20 2d 74 77 | 6f 70 69 20 2a 20 62 77 |exp( -tw|opi * bw|
|00002740| 20 2f 20 73 72 61 74 65 | 20 29 3b 0d 09 63 20 3d | / srate| );..c =|
|00002750| 20 2a 28 61 2b 32 29 20 | 2b 20 31 2e 30 3b 0d 09 | *(a+2) |+ 1.0;..|
|00002760| 2a 28 61 2b 31 29 20 3d | 20 34 2e 30 20 2a 20 2a |*(a+1) =| 4.0 * *|
|00002770| 28 61 2b 32 29 20 2f 20 | 63 20 2a 20 63 6f 73 28 |(a+2) / |c * cos(|
|00002780| 74 77 6f 70 69 20 2a 20 | 63 66 20 2f 20 73 72 61 |twopi * |cf / sra|
|00002790| 74 65 20 29 3b 0d 09 69 | 66 20 28 20 73 63 6c 20 |te );..i|f ( scl |
|000027a0| 3e 20 31 2e 30 20 29 0d | 09 09 2a 61 20 3d 20 73 |> 1.0 ).|..*a = s|
|000027b0| 71 72 74 28 28 31 2e 30 | 20 2d 20 2a 28 61 2b 32 |qrt((1.0| - *(a+2|
|000027c0| 29 29 20 2f 20 63 20 2a | 20 28 63 20 2a 20 63 20 |)) / c *| (c * c |
|000027d0| 2d 20 2a 28 61 2b 31 29 | 20 2a 20 2a 28 61 2b 31 |- *(a+1)| * *(a+1|
|000027e0| 29 29 29 3b 0d 09 65 6c | 73 65 20 69 66 20 28 20 |)));..el|se if ( |
|000027f0| 73 63 6c 20 3c 20 31 2e | 30 29 0d 09 09 2a 61 20 |scl < 1.|0)...*a |
|00002800| 3d 20 31 2e 30 3b 0d 09 | 65 6c 73 65 0d 09 09 2a |= 1.0;..|else...*|
|00002810| 61 20 3d 20 28 31 2e 30 | 20 2d 20 2a 28 61 2b 32 |a = (1.0| - *(a+2|
|00002820| 29 29 20 2a 20 73 71 72 | 74 28 31 2e 30 20 2d 20 |)) * sqr|t(1.0 - |
|00002830| 2a 28 61 2b 31 29 20 2a | 20 2a 28 61 2b 31 29 20 |*(a+1) *| *(a+1) |
|00002840| 2f 20 28 34 2e 30 20 2a | 20 2a 28 61 2b 32 29 29 |/ (4.0 *| *(a+2))|
|00002850| 29 3b 0d 7d 0d 0d 64 6f | 75 62 6c 65 20 72 65 73 |);.}..do|uble res|
|00002860| 6f 6e 28 20 78 2c 20 61 | 20 29 0d 09 64 6f 75 62 |on( x, a| )..doub|
|00002870| 6c 65 09 78 2c 20 2a 61 | 3b 0d 7b 0d 2f 2a 20 79 |le.x, *a|;.{./* y|
|00002880| 5b 69 5d 20 3d 20 61 5b | 30 5d 20 2a 20 78 5b 69 |[i] = a[|0] * x[i|
|00002890| 5d 20 2b 20 61 5b 31 5d | 20 2a 20 79 5b 69 2d 31 |] + a[1]| * y[i-1|
|000028a0| 5d 20 2d 20 61 5b 32 5d | 20 2a 20 79 5b 69 2d 32 |] - a[2]| * y[i-2|
|000028b0| 5d 20 2a 2f 0d 0d 09 72 | 65 67 69 73 74 65 72 09 |] */...r|egister.|
|000028c0| 64 6f 75 62 6c 65 09 79 | 20 3d 20 2a 61 20 2a 20 |double.y| = *a * |
|000028d0| 78 20 2b 20 2a 28 61 2b | 31 29 20 2a 20 2a 28 61 |x + *(a+|1) * *(a|
|000028e0| 2b 33 29 20 2d 20 2a 28 | 61 2b 32 29 20 2a 20 2a |+3) - *(|a+2) * *|
|000028f0| 28 61 2b 34 29 3b 0d 09 | 2a 28 61 2b 34 29 20 3d |(a+4);..|*(a+4) =|
|00002900| 20 2a 28 61 2b 33 29 3b | 0d 09 2a 28 61 2b 33 29 | *(a+3);|..*(a+3)|
|00002910| 20 3d 20 79 3b 0d 09 72 | 65 74 75 72 6e 28 79 29 | = y;..r|eturn(y)|
|00002920| 3b 0d 7d 0d 0d 0d 76 6f | 69 64 20 76 72 73 73 65 |;.}...vo|id vrsse|
|00002930| 74 28 20 70 6b 2c 20 78 | 69 6e 69 74 2c 20 61 20 |t( pk, x|init, a |
|00002940| 29 0d 09 64 6f 75 62 6c | 65 09 70 6b 2c 20 78 69 |)..doubl|e.pk, xi|
|00002950| 6e 69 74 2c 20 2a 61 3b | 0d 7b 0d 09 69 66 20 28 |nit, *a;|.{..if (|
|00002960| 20 78 69 6e 69 74 20 3c | 3d 20 30 2e 30 20 29 20 | xinit <|= 0.0 ) |
|00002970| 7b 0d 09 09 2a 28 61 2b | 34 29 20 3d 20 30 2e 30 |{...*(a+|4) = 0.0|
|00002980| 3b 0d 09 09 2a 28 61 2b | 33 29 20 3d 20 30 2e 30 |;...*(a+|3) = 0.0|
|00002990| 3b 0d 09 7d 0d 2f 2a 20 | 2a 28 61 2b 31 29 20 61 |;..}./* |*(a+1) a|
|000029a0| 6e 64 20 2a 28 61 2b 32 | 29 20 74 6f 20 62 65 20 |nd *(a+2|) to be |
|000029b0| 73 65 74 20 64 75 72 69 | 6e 67 20 70 6c 61 79 69 |set duri|ng playi|
|000029c0| 6e 67 20 74 69 6d 65 20 | 2a 2f 0d 09 2a 61 20 3d |ng time |*/..*a =|
|000029d0| 20 31 2e 30 20 2f 20 70 | 6b 3b 0d 7d 0d 0d 64 6f | 1.0 / p|k;.}..do|
|000029e0| 75 62 6c 65 20 76 72 65 | 73 6f 6e 28 78 69 6e 2c |uble vre|son(xin,|
|000029f0| 20 63 66 2c 20 62 77 2c | 20 66 6c 2c 20 66 6e 6f | cf, bw,| fl, fno|
|00002a00| 2c 20 61 29 0d 09 64 6f | 75 62 6c 65 09 78 69 6e |, a)..do|uble.xin|
|00002a10| 2c 20 63 66 2c 20 62 77 | 2c 20 66 6c 2c 20 2a 61 |, cf, bw|, fl, *a|
|00002a20| 3b 0d 09 69 6e 74 09 66 | 6e 6f 3b 0d 7b 0d 09 72 |;..int.f|no;.{..r|
|00002a30| 65 67 69 73 74 65 72 09 | 64 6f 75 62 6c 65 09 79 |egister.|double.y|
|00002a40| 3b 0d 09 72 65 67 69 73 | 74 65 72 09 64 6f 75 62 |;..regis|ter.doub|
|00002a50| 6c 65 09 70 69 20 3d 20 | 34 2e 30 20 2a 20 61 74 |le.pi = |4.0 * at|
|00002a60| 61 6e 28 31 2e 30 29 3b | 0d 09 72 65 67 69 73 74 |an(1.0);|..regist|
|00002a70| 65 72 09 64 6f 75 62 6c | 65 09 78 20 3d 20 31 2e |er.doubl|e.x = 1.|
|00002a80| 30 20 2d 20 70 69 20 2a | 20 62 77 20 2f 20 73 72 |0 - pi *| bw / sr|
|00002a90| 61 74 65 3b 0d 09 2a 28 | 61 2b 32 29 20 3d 20 78 |ate;..*(|a+2) = x|
|00002aa0| 20 2a 20 78 3b 0d 09 78 | 20 3d 20 34 2e 30 20 2a | * x;..x| = 4.0 *|
|00002ab0| 20 2a 28 61 2b 32 29 20 | 2f 20 28 31 2e 30 20 2b | *(a+2) |/ (1.0 +|
|00002ac0| 20 2a 28 61 2b 32 29 29 | 3b 0d 09 79 20 3d 20 66 | *(a+2))|;..y = f|
|00002ad0| 6c 20 2a 20 63 66 20 2f | 20 73 72 61 74 65 3b 0d |l * cf /| srate;.|
|00002ae0| 09 2a 28 61 2b 31 29 20 | 3d 20 76 66 6d 75 6c 74 |.*(a+1) |= vfmult|
|00002af0| 28 78 2c 20 79 2c 20 66 | 6e 6f 29 3b 0d 09 72 65 |(x, y, f|no);..re|
|00002b00| 74 75 72 6e 28 20 72 65 | 73 6f 6e 28 78 69 6e 2c |turn( re|son(xin,|
|00002b10| 20 61 29 29 3b 0d 7d 0d | 09 0d 0d 0d 76 6f 69 64 | a));.}.|....void|
|00002b20| 20 6d 6f 6e 6f 28 6f 75 | 74 70 75 74 29 0d 09 64 | mono(ou|tput)..d|
|00002b30| 6f 75 62 6c 65 20 6f 75 | 74 70 75 74 3b 0d 7b 0d |ouble ou|tput;.{.|
|00002b40| 09 2a 28 6f 75 74 2b 6c | 6f 63 29 20 2b 3d 20 6f |.*(out+l|oc) += o|
|00002b50| 75 74 70 75 74 3b 0d 7d | 0d 0d 76 6f 69 64 20 6f |utput;.}|..void o|
|00002b60| 75 74 70 75 74 28 61 2c | 20 62 2c 20 63 2c 20 64 |utput(a,| b, c, d|
|00002b70| 29 0d 09 64 6f 75 62 6c | 65 09 61 2c 20 62 2c 20 |)..doubl|e.a, b, |
|00002b80| 63 2c 20 64 3b 0d 7b 0d | 09 73 77 69 74 63 68 28 |c, d;.{.|.switch(|
|00002b90| 6e 63 68 6e 6c 73 29 20 | 7b 0d 09 09 63 61 73 65 |nchnls) |{...case|
|00002ba0| 20 34 3a 20 2a 28 6f 75 | 74 2b 6c 6f 63 2b 33 29 | 4: *(ou|t+loc+3)|
|00002bb0| 20 2b 3d 20 64 3b 0d 09 | 09 63 61 73 65 20 33 3a | += d;..|.case 3:|
|00002bc0| 20 2a 28 6f 75 74 2b 6c | 6f 63 2b 32 29 20 2b 3d | *(out+l|oc+2) +=|
|00002bd0| 20 63 3b 0d 09 09 63 61 | 73 65 20 32 3a 20 2a 28 | c;...ca|se 2: *(|
|00002be0| 6f 75 74 2b 6c 6f 63 2b | 31 29 20 2b 3d 20 62 3b |out+loc+|1) += b;|
|00002bf0| 0d 09 09 63 61 73 65 20 | 31 3a 20 2a 28 6f 75 74 |...case |1: *(out|
|00002c00| 2b 6c 6f 63 29 20 2b 3d | 20 61 3b 0d 09 7d 0d 7d |+loc) +=| a;..}.}|
|00002c10| 0d 0d 76 6f 69 64 20 73 | 74 65 72 65 6f 28 6f 75 |..void s|tereo(ou|
|00002c20| 74 70 75 74 2c 20 70 72 | 6f 70 29 0d 09 64 6f 75 |tput, pr|op)..dou|
|00002c30| 62 6c 65 09 6f 75 74 70 | 75 74 2c 20 70 72 6f 70 |ble.outp|ut, prop|
|00002c40| 3b 0d 7b 0d 09 2a 28 6f | 75 74 2b 6c 6f 63 29 20 |;.{..*(o|ut+loc) |
|00002c50| 2b 3d 20 6f 75 74 70 75 | 74 20 2a 20 70 72 6f 70 |+= outpu|t * prop|
|00002c60| 3b 0d 09 2a 28 6f 75 74 | 2b 6c 6f 63 2b 31 29 20 |;..*(out|+loc+1) |
|00002c70| 2b 3d 20 6f 75 74 70 75 | 74 20 2a 20 28 31 2e 30 |+= outpu|t * (1.0|
|00002c80| 20 2d 20 70 72 6f 70 29 | 3b 0d 7d 0d 0d 64 6f 75 | - prop)|;.}..dou|
|00002c90| 62 6c 65 20 69 6c 6f 6f | 6b 75 70 28 78 2c 20 66 |ble iloo|kup(x, f|
|00002ca0| 6e 6f 29 0d 09 64 6f 75 | 62 6c 65 20 78 3b 0d 09 |no)..dou|ble x;..|
|00002cb0| 69 6e 74 20 66 6e 6f 3b | 0d 7b 0d 09 2f 2a 20 69 |int fno;|.{../* i|
|00002cc0| 6e 74 65 72 70 6f 6c 61 | 74 69 6e 67 20 74 61 62 |nterpola|ting tab|
|00002cd0| 6c 65 20 6c 6f 6f 6b 75 | 70 20 2a 2f 0d 09 72 65 |le looku|p */..re|
|00002ce0| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 20 66 72 |gister.d|ouble fr|
|00002cf0| 61 63 3b 0d 09 72 65 67 | 69 73 74 65 72 20 20 6b |ac;..reg|ister  k|
|00002d00| 3b 0d 09 69 6e 74 20 6c | 3b 0d 0d 09 6b 20 3d 20 |;..int l|;...k = |
|00002d10| 28 69 6e 74 29 78 3b 0d | 09 69 66 20 28 20 6b 20 |(int)x;.|.if ( k |
|00002d20| 3c 20 31 20 29 20 0d 09 | 09 72 65 74 75 72 6e 28 |< 1 ) ..|.return(|
|00002d30| 20 2a 28 46 5b 66 6e 6f | 5d 20 2b 20 31 29 20 29 | *(F[fno|] + 1) )|
|00002d40| 3b 0d 09 65 6c 73 65 20 | 69 66 20 28 20 6b 20 3e |;..else |if ( k >|
|00002d50| 3d 20 2a 28 46 5b 66 6e | 6f 5d 29 20 29 0d 09 09 |= *(F[fn|o]) )...|
|00002d60| 72 65 74 75 72 6e 28 20 | 2a 28 46 5b 66 6e 6f 5d |return( |*(F[fno]|
|00002d70| 2b 28 69 6e 74 29 2a 28 | 46 5b 66 6e 6f 5d 29 29 |+(int)*(|F[fno]))|
|00002d80| 20 29 3b 0d 09 65 6c 73 | 65 20 7b 0d 09 09 6c 20 | );..els|e {...l |
|00002d90| 3d 20 6b 20 2b 20 31 3b | 0d 09 09 66 72 61 63 20 |= k + 1;|...frac |
|00002da0| 3d 20 78 20 2d 20 6b 3b | 0d 09 09 72 65 74 75 72 |= x - k;|...retur|
|00002db0| 6e 28 2a 28 46 5b 66 6e | 6f 5d 2b 6b 29 20 2b 20 |n(*(F[fn|o]+k) + |
|00002dc0| 28 20 2a 28 46 5b 66 6e | 6f 5d 2b 6c 29 20 2d 20 |( *(F[fn|o]+l) - |
|00002dd0| 2a 28 46 5b 66 6e 6f 5d | 2b 6b 29 29 20 2a 20 66 |*(F[fno]|+k)) * f|
|00002de0| 72 61 63 29 3b 0d 09 7d | 0d 7d 0d 09 09 0d 64 6f |rac);..}|.}....do|
|00002df0| 75 62 6c 65 20 76 66 6d | 75 6c 74 28 61 6d 70 2c |uble vfm|ult(amp,|
|00002e00| 20 73 6c 2c 20 66 6e 6f | 29 0d 09 64 6f 75 62 6c | sl, fno|)..doubl|
|00002e10| 65 09 61 6d 70 2c 20 73 | 6c 3b 0d 09 69 6e 74 09 |e.amp, s|l;..int.|
|00002e20| 66 6e 6f 3b 0d 7b 0d 09 | 72 65 67 69 73 74 65 72 |fno;.{..|register|
|00002e30| 20 20 6b 20 3d 20 28 28 | 69 6e 74 29 73 6c 20 25 |  k = ((|int)sl %|
|00002e40| 20 28 69 6e 74 29 28 2a | 28 46 5b 66 6e 6f 5d 29 | (int)(*|(F[fno])|
|00002e50| 29 29 20 2b 20 31 3b 0d | 09 72 65 74 75 72 6e 28 |)) + 1;.|.return(|
|00002e60| 20 61 6d 70 20 2a 20 2a | 28 46 5b 66 6e 6f 5d 20 | amp * *|(F[fno] |
|00002e70| 2b 20 6b 29 29 3b 0d 7d | 0d 0d 64 6f 75 62 6c 65 |+ k));.}|..double|
|00002e80| 20 63 70 73 6f 63 74 28 | 6f 63 74 29 0d 09 64 6f | cpsoct(|oct)..do|
|00002e90| 75 62 6c 65 09 6f 63 74 | 3b 0d 7b 0d 09 2f 2a 20 |uble.oct|;.{../* |
|00002ea0| 6c 69 6e 65 61 72 20 6f | 63 74 61 76 65 20 66 6f |linear o|ctave fo|
|00002eb0| 72 6d 20 74 6f 20 63 70 | 73 2c 20 4d 69 64 20 43 |rm to cp|s, Mid C|
|00002ec0| 20 3d 20 6f 63 74 61 76 | 65 20 38 20 2a 2f 0d 09 | = octav|e 8 */..|
|00002ed0| 72 65 74 75 72 6e 28 20 | 70 6f 77 28 32 2e 30 2c |return( |pow(2.0,|
|00002ee0| 20 6f 63 74 29 20 2a 20 | 31 2e 30 32 31 39 37 35 | oct) * |1.021975|
|00002ef0| 29 3b 0d 7d 0d 0d 64 6f | 75 62 6c 65 20 63 70 73 |);.}..do|uble cps|
|00002f00| 70 63 68 28 70 63 68 29 | 0d 09 64 6f 75 62 6c 65 |pch(pch)|..double|
|00002f10| 20 70 63 68 3b 0d 7b 0d | 09 2f 2a 20 38 76 65 2e | pch;.{.|./* 8ve.|
|00002f20| 70 63 20 74 6f 20 63 70 | 73 20 2a 2f 0d 09 72 65 |pc to cp|s */..re|
|00002f30| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 09 6f 63 |gister.d|ouble.oc|
|00002f40| 74 20 3d 20 28 69 6e 74 | 29 70 63 68 3b 0d 09 72 |t = (int|)pch;..r|
|00002f50| 65 74 75 72 6e 28 20 70 | 6f 77 28 32 2e 30 2c 20 |eturn( p|ow(2.0, |
|00002f60| 6f 63 74 20 2b 20 38 2e | 33 33 33 33 33 33 20 2a |oct + 8.|333333 *|
|00002f70| 20 28 70 63 68 2d 6f 63 | 74 29 29 20 2a 20 31 2e | (pch-oc|t)) * 1.|
|00002f80| 30 32 31 39 37 35 29 3b | 0d 7d 0d 0d 64 6f 75 62 |021975);|.}..doub|
|00002f90| 6c 65 20 63 79 63 6c 65 | 28 63 70 73 29 0d 09 64 |le cycle|(cps)..d|
|00002fa0| 6f 75 62 6c 65 20 63 70 | 73 3b 0d 7b 0d 09 2f 2a |ouble cp|s;.{../*|
|00002fb0| 20 63 70 73 20 74 6f 20 | 73 61 6d 70 20 69 6e 63 | cps to |samp inc|
|00002fc0| 20 2a 2f 0d 09 72 65 74 | 75 72 6e 28 63 70 73 20 | */..ret|urn(cps |
|00002fd0| 2a 20 35 31 32 2e 30 20 | 2f 20 73 72 61 74 65 29 |* 512.0 |/ srate)|
|00002fe0| 3b 0d 7d 0d 0d 64 6f 75 | 62 6c 65 20 6f 63 74 61 |;.}..dou|ble octa|
|00002ff0| 76 65 28 6f 63 74 29 0d | 09 64 6f 75 62 6c 65 09 |ve(oct).|.double.|
|00003000| 6f 63 74 3b 0d 7b 0d 09 | 2f 2a 20 6c 69 6e 65 61 |oct;.{..|/* linea|
|00003010| 72 20 6f 63 74 61 76 65 | 20 66 6f 72 6d 20 74 6f |r octave| form to|
|00003020| 20 73 61 6d 70 20 69 6e | 63 20 2a 2f 0d 09 72 65 | samp in|c */..re|
|00003030| 74 75 72 6e 28 20 70 6f | 77 28 32 2e 30 2c 20 6f |turn( po|w(2.0, o|
|00003040| 63 74 29 20 2a 20 35 32 | 33 2e 32 35 31 31 20 2f |ct) * 52|3.2511 /|
|00003050| 20 73 72 61 74 65 29 3b | 0d 7d 0d 0d 64 6f 75 62 | srate);|.}..doub|
|00003060| 6c 65 20 6f 63 74 63 70 | 73 28 63 70 73 29 0d 09 |le octcp|s(cps)..|
|00003070| 64 6f 75 62 6c 65 09 63 | 70 73 3b 0d 7b 0d 09 2f |double.c|ps;.{../|
|00003080| 2a 20 63 70 73 20 74 6f | 20 6c 69 6e 65 61 72 20 |* cps to| linear |
|00003090| 6f 63 74 61 76 65 20 66 | 6f 72 6d 20 2a 2f 0d 09 |octave f|orm */..|
|000030a0| 72 65 74 75 72 6e 28 20 | 6c 6f 67 28 20 63 70 73 |return( |log( cps|
|000030b0| 20 2f 20 31 2e 30 32 31 | 39 37 35 20 29 20 2f 20 | / 1.021|975 ) / |
|000030c0| 30 2e 36 39 33 31 34 37 | 31 38 29 3b 0d 7d 0d 0d |0.693147|18);.}..|
|000030d0| 64 6f 75 62 6c 65 20 6f | 63 74 70 63 68 28 70 63 |double o|ctpch(pc|
|000030e0| 68 29 0d 09 64 6f 75 62 | 6c 65 09 70 63 68 3b 0d |h)..doub|le.pch;.|
|000030f0| 7b 0d 09 2f 2a 20 38 76 | 65 2e 70 63 20 74 6f 20 |{../* 8v|e.pc to |
|00003100| 6c 69 6e 65 61 72 20 6f | 63 74 61 76 65 20 2a 2f |linear o|ctave */|
|00003110| 0d 09 72 65 67 69 73 74 | 65 72 09 64 6f 75 62 6c |..regist|er.doubl|
|00003120| 65 20 6f 63 74 20 3d 20 | 28 69 6e 74 29 70 63 68 |e oct = |(int)pch|
|00003130| 3b 0d 09 72 65 74 75 72 | 6e 28 20 6f 63 74 20 2b |;..retur|n( oct +|
|00003140| 20 38 2e 33 33 33 33 33 | 33 20 2a 20 28 70 63 68 | 8.33333|3 * (pch|
|00003150| 20 2d 20 6f 63 74 29 29 | 3b 0d 7d 0d 0d 64 6f 75 | - oct))|;.}..dou|
|00003160| 62 6c 65 20 70 63 68 63 | 70 73 28 63 70 73 29 0d |ble pchc|ps(cps).|
|00003170| 09 64 6f 75 62 6c 65 20 | 63 70 73 3b 0d 7b 0d 09 |.double |cps;.{..|
|00003180| 2f 2a 20 63 70 73 20 74 | 6f 20 38 76 65 2e 70 63 |/* cps t|o 8ve.pc|
|00003190| 20 2a 2f 0d 09 72 65 74 | 75 72 6e 28 70 63 68 6f | */..ret|urn(pcho|
|000031a0| 63 74 28 6f 63 74 63 70 | 73 28 63 70 73 29 29 29 |ct(octcp|s(cps)))|
|000031b0| 3b 0d 7d 0d 0d 64 6f 75 | 62 6c 65 20 70 63 68 6f |;.}..dou|ble pcho|
|000031c0| 63 74 28 6f 63 74 29 0d | 09 64 6f 75 62 6c 65 20 |ct(oct).|.double |
|000031d0| 6f 63 74 3b 0d 7b 0d 09 | 2f 2a 20 6c 69 6e 65 61 |oct;.{..|/* linea|
|000031e0| 72 20 6f 63 74 61 76 65 | 20 66 6f 72 6d 20 74 6f |r octave| form to|
|000031f0| 20 38 76 65 2e 70 63 20 | 2a 2f 0d 09 72 65 67 69 | 8ve.pc |*/..regi|
|00003200| 73 74 65 72 09 64 6f 75 | 62 6c 65 09 70 63 68 20 |ster.dou|ble.pch |
|00003210| 3d 20 28 69 6e 74 29 6f | 63 74 3b 0d 09 72 65 74 |= (int)o|ct;..ret|
|00003220| 75 72 6e 28 28 30 2e 31 | 32 20 2a 20 28 20 6f 63 |urn((0.1|2 * ( oc|
|00003230| 74 20 2d 20 70 63 68 29 | 29 20 2b 20 70 63 68 29 |t - pch)|) + pch)|
|00003240| 3b 0d 7d 0d 0d 64 6f 75 | 62 6c 65 20 70 65 72 69 |;.}..dou|ble peri|
|00003250| 6f 64 28 64 75 72 29 0d | 09 64 6f 75 62 6c 65 20 |od(dur).|.double |
|00003260| 64 75 72 3b 0d 7b 0d 09 | 2f 2a 20 64 75 72 61 74 |dur;.{..|/* durat|
|00003270| 69 6f 6e 20 74 6f 20 73 | 61 6d 70 20 69 6e 63 20 |ion to s|amp inc |
|00003280| 2a 2f 0d 09 72 65 74 75 | 72 6e 28 35 31 32 2e 30 |*/..retu|rn(512.0|
|00003290| 20 2f 20 73 72 61 74 65 | 20 2f 20 64 75 72 29 3b | / srate| / dur);|
|000032a0| 0d 7d 0d 0d 64 6f 75 62 | 6c 65 20 70 69 74 63 68 |.}..doub|le pitch|
|000032b0| 28 70 63 68 29 0d 09 64 | 6f 75 62 6c 65 20 70 63 |(pch)..d|ouble pc|
|000032c0| 68 3b 0d 7b 0d 09 2f 2a | 20 38 76 65 2e 70 63 20 |h;.{../*| 8ve.pc |
|000032d0| 74 6f 20 73 61 6d 70 20 | 69 6e 63 20 2a 2f 0d 09 |to samp |inc */..|
|000032e0| 72 65 67 69 73 74 65 72 | 09 64 6f 75 62 6c 65 20 |register|.double |
|000032f0| 6f 63 74 20 3d 20 28 69 | 6e 74 29 70 63 68 3b 0d |oct = (i|nt)pch;.|
|00003300| 09 72 65 74 75 72 6e 28 | 20 70 6f 77 28 32 2e 30 |.return(| pow(2.0|
|00003310| 2c 20 6f 63 74 20 2b 20 | 38 2e 33 33 33 33 33 33 |, oct + |8.333333|
|00003320| 20 2a 20 28 70 63 68 2d | 6f 63 74 29 20 29 20 2a | * (pch-|oct) ) *|
|00003330| 20 35 32 33 2e 32 35 31 | 31 20 2f 20 73 72 61 74 | 523.251|1 / srat|
|00003340| 65 29 3b 0d 7d 0d 0d 64 | 6f 75 62 6c 65 20 73 69 |e);.}..d|ouble si|
|00003350| 63 70 73 28 73 69 29 0d | 09 64 6f 75 62 6c 65 20 |cps(si).|.double |
|00003360| 73 69 3b 0d 7b 0d 09 2f | 2a 20 73 61 6d 70 20 69 |si;.{../|* samp i|
|00003370| 6e 63 20 74 6f 20 63 70 | 73 20 2a 2f 0d 09 72 65 |nc to cp|s */..re|
|00003380| 74 75 72 6e 28 28 73 69 | 20 2a 20 73 72 61 74 65 |turn((si| * srate|
|00003390| 29 20 2f 20 35 31 32 2e | 30 29 3b 0d 7d 0d 0d 64 |) / 512.|0);.}..d|
|000033a0| 6f 75 62 6c 65 20 72 61 | 6e 64 6f 6d 28 78 29 09 |ouble ra|ndom(x).|
|000033b0| 2f 2a 20 21 21 21 20 74 | 68 65 72 65 20 69 73 20 |/* !!! t|here is |
|000033c0| 61 20 4d 61 63 20 54 6f | 6f 6c 42 6f 78 20 63 61 |a Mac To|olBox ca|
|000033d0| 6c 6c 2c 20 52 61 6e 64 | 6f 6d 20 2a 2f 0d 09 64 |ll, Rand|om */..d|
|000033e0| 6f 75 62 6c 65 09 2a 78 | 3b 0d 7b 0d 09 6c 6f 6e |ouble.*x|;.{..lon|
|000033f0| 67 09 6e 20 3d 20 2a 78 | 20 2a 20 31 30 34 38 35 |g.n = *x| * 10485|
|00003400| 37 36 2e 30 3b 0d 09 2a | 78 20 3d 20 28 64 6f 75 |76.0;..*|x = (dou|
|00003410| 62 6c 65 29 28 20 28 28 | 31 30 36 31 4c 20 2a 20 |ble)( ((|1061L * |
|00003420| 6e 20 2b 20 32 32 31 35 | 38 39 4c 29 20 25 20 31 |n + 2215|89L) % 1|
|00003430| 30 34 38 35 37 36 4c 29 | 29 20 2f 20 31 30 34 38 |048576L)|) / 1048|
|00003440| 35 37 36 2e 30 3b 0d 09 | 72 65 74 75 72 6e 28 2a |576.0;..|return(*|
|00003450| 78 29 3b 0d 7d 0d 0d 64 | 6f 75 62 6c 65 20 64 72 |x);.}..d|ouble dr|
|00003460| 61 6e 64 28 61 6d 70 2c | 20 61 29 0d 09 64 6f 75 |and(amp,| a)..dou|
|00003470| 62 6c 65 09 61 6d 70 2c | 20 2a 61 3b 0d 7b 0d 09 |ble.amp,| *a;.{..|
|00003480| 2a 61 20 3d 20 72 61 6e | 64 6f 6d 28 61 29 3b 0d |*a = ran|dom(a);.|
|00003490| 09 72 65 74 75 72 6e 28 | 20 61 6d 70 20 2a 20 28 |.return(| amp * (|
|000034a0| 20 31 2e 30 20 2d 20 28 | 32 2e 30 20 2a 20 2a 61 | 1.0 - (|2.0 * *a|
|000034b0| 29 29 29 3b 0d 7d 0d 0d | 64 6f 75 62 6c 65 20 72 |)));.}..|double r|
|000034c0| 61 6e 64 66 28 6f 6c 64 | 76 61 6c 2c 20 66 61 63 |andf(old|val, fac|
|000034d0| 74 6f 72 2c 20 73 65 65 | 64 29 0d 09 64 6f 75 62 |tor, see|d)..doub|
|000034e0| 6c 65 09 6f 6c 64 76 61 | 6c 2c 20 66 61 63 74 6f |le.oldva|l, facto|
|000034f0| 72 2c 20 2a 73 65 65 64 | 3b 0d 7b 0d 09 72 65 67 |r, *seed|;.{..reg|
|00003500| 69 73 74 65 72 09 64 6f | 75 62 6c 65 09 72 61 6e |ister.do|uble.ran|
|00003510| 67 65 20 3d 20 32 2e 30 | 20 2d 20 28 20 32 2e 30 |ge = 2.0| - ( 2.0|
|00003520| 20 2a 20 66 61 63 74 6f | 72 29 3b 0d 09 72 65 67 | * facto|r);..reg|
|00003530| 69 73 74 65 72 09 64 6f | 75 62 6c 65 09 6c 6f 77 |ister.do|uble.low|
|00003540| 62 6e 64 2c 09 75 70 72 | 62 6e 64 3b 0d 09 6c 6f |bnd,.upr|bnd;..lo|
|00003550| 77 62 6e 64 20 3d 20 6f | 6c 64 76 61 6c 20 2d 20 |wbnd = o|ldval - |
|00003560| 72 61 6e 67 65 3b 0d 09 | 69 66 20 28 20 6c 6f 77 |range;..|if ( low|
|00003570| 62 6e 64 20 3c 20 2d 31 | 2e 30 29 20 6c 6f 77 62 |bnd < -1|.0) lowb|
|00003580| 6e 64 20 3d 20 2d 31 2e | 30 3b 0d 09 75 70 72 62 |nd = -1.|0;..uprb|
|00003590| 6e 64 20 3d 20 6f 6c 64 | 76 61 6c 20 2b 20 72 61 |nd = old|val + ra|
|000035a0| 6e 67 65 3b 0d 09 69 66 | 20 28 20 75 70 72 62 6e |nge;..if| ( uprbn|
|000035b0| 64 20 3e 20 31 2e 30 29 | 20 75 70 72 62 6e 64 20 |d > 1.0)| uprbnd |
|000035c0| 3d 20 31 2e 30 3b 0d 09 | 72 65 74 75 72 6e 28 6c |= 1.0;..|return(l|
|000035d0| 6f 77 62 6e 64 20 2b 20 | 28 28 75 70 72 62 6e 64 |owbnd + |((uprbnd|
|000035e0| 2d 6c 6f 77 62 6e 64 29 | 20 2a 20 72 61 6e 64 6f |-lowbnd)| * rando|
|000035f0| 6d 28 73 65 65 64 29 29 | 29 3b 0d 7d 0d 09 0d 0d |m(seed))|);.}....|
|00003600| 64 6f 75 62 6c 65 20 72 | 61 6e 64 66 63 28 61 6d |double r|andfc(am|
|00003610| 70 2c 20 66 72 65 71 2c | 20 61 2c 20 63 75 72 76 |p, freq,| a, curv|
|00003620| 2c 20 63 64 69 66 66 29 | 0d 09 64 6f 75 62 6c 65 |, cdiff)|..double|
|00003630| 09 61 6d 70 2c 20 66 72 | 65 71 2c 20 2a 61 2c 20 |.amp, fr|eq, *a, |
|00003640| 63 75 72 76 5b 5d 2c 20 | 63 64 69 66 66 5b 5d 3b |curv[], |cdiff[];|
|00003650| 0d 7b 0d 2f 2a 20 66 72 | 65 71 20 69 6e 20 48 7a |.{./* fr|eq in Hz|
|00003660| 0d 2a 20 2a 61 20 3d 20 | 73 65 65 64 2c 20 28 31 |.* *a = |seed, (1|
|00003670| 2e 30 20 74 6f 20 69 6e | 69 74 29 0d 2a 20 61 5b |.0 to in|it).* a[|
|00003680| 31 5d 20 3d 20 6f 6c 64 | 76 61 6c 20 28 30 2e 30 |1] = old|val (0.0|
|00003690| 29 0d 2a 20 61 5b 32 5d | 20 3d 20 64 69 66 66 20 |).* a[2]| = diff |
|000036a0| 20 20 28 30 2e 30 29 0d | 2a 20 61 5b 33 5d 20 3d |  (0.0).|* a[3] =|
|000036b0| 20 70 68 73 20 20 20 20 | 28 30 2e 30 29 0d 2a 20 | phs    |(0.0).* |
|000036c0| 61 5b 34 5d 20 3d 20 66 | 61 63 74 6f 72 20 28 30 |a[4] = f|actor (0|
|000036d0| 2e 30 2e 2e 2e 31 2e 30 | 29 0d 2a 2f 0d 09 72 65 |.0...1.0|).*/..re|
|000036e0| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 20 74 2c |gister.d|ouble t,|
|000036f0| 20 69 6e 64 78 3b 0d 09 | 72 65 67 69 73 74 65 72 | indx;..|register|
|00003700| 20 20 69 3b 0d 0d 09 69 | 6e 64 78 20 3d 20 28 28 |  i;...i|ndx = ((|
|00003710| 31 32 37 2e 30 20 2f 20 | 73 72 61 74 65 29 20 2a |127.0 / |srate) *|
|00003720| 20 2a 28 61 2b 33 29 20 | 2a 20 66 72 65 71 20 29 | *(a+3) |* freq )|
|00003730| 3b 0d 09 69 66 20 28 20 | 69 6e 64 78 20 3e 20 31 |;..if ( |indx > 1|
|00003740| 32 37 2e 30 29 20 7b 0d | 09 09 2a 28 61 2b 33 29 |27.0) {.|..*(a+3)|
|00003750| 20 3d 20 30 2e 30 3b 0d | 09 09 69 6e 64 78 20 3d | = 0.0;.|..indx =|
|00003760| 20 30 3b 0d 09 7d 0d 09 | 69 66 20 28 20 2a 28 61 | 0;..}..|if ( *(a|
|00003770| 2b 33 29 20 3d 3d 20 30 | 2e 30 20 29 20 7b 0d 09 |+3) == 0|.0 ) {..|
|00003780| 09 2a 28 61 2b 31 29 20 | 2b 3d 20 2a 28 61 2b 32 |.*(a+1) |+= *(a+2|
|00003790| 29 3b 0d 2f 2a 09 09 2a | 28 61 2b 32 29 20 3d 20 |);./*..*|(a+2) = |
|000037a0| 72 61 6e 64 66 28 20 2a | 28 61 2b 31 29 2c 20 2a |randf( *|(a+1), *|
|000037b0| 28 61 2b 34 29 2c 20 61 | 29 20 2d 20 2a 28 61 2b |(a+4), a|) - *(a+|
|000037c0| 31 29 3b 2a 2f 0d 09 09 | 2a 28 61 2b 32 29 20 3d |1);*/...|*(a+2) =|
|000037d0| 20 72 61 6e 64 66 28 20 | 61 5b 31 5d 2c 20 61 5b | randf( |a[1], a[|
|000037e0| 34 5d 2c 20 26 61 5b 30 | 5d 29 20 2d 20 2a 28 61 |4], &a[0|]) - *(a|
|000037f0| 2b 31 29 3b 0d 09 7d 0d | 09 2a 28 61 2b 33 29 20 |+1);..}.|.*(a+3) |
|00003800| 2b 3d 20 31 2e 30 3b 0d | 09 69 20 3d 20 28 69 6e |+= 1.0;.|.i = (in|
|00003810| 74 29 69 6e 64 78 3b 0d | 09 74 20 3d 20 2a 28 63 |t)indx;.|.t = *(c|
|00003820| 75 72 76 2b 69 29 20 2b | 20 28 2a 28 63 64 69 66 |urv+i) +| (*(cdif|
|00003830| 66 2b 69 29 20 2a 20 28 | 20 69 6e 64 78 20 2d 20 |f+i) * (| indx - |
|00003840| 69 29 29 3b 0d 09 74 20 | 3d 20 28 20 61 6d 70 20 |i));..t |= ( amp |
|00003850| 2a 20 28 20 2a 28 61 2b | 31 29 20 2b 20 28 20 74 |* ( *(a+|1) + ( t|
|00003860| 20 2a 20 2a 28 61 2b 32 | 29 29 29 29 3b 0d 09 72 | * *(a+2|))));..r|
|00003870| 65 74 75 72 6e 28 74 29 | 3b 0d 7d 0d 0d 64 6f 75 |eturn(t)|;.}..dou|
|00003880| 62 6c 65 20 72 61 6e 64 | 66 69 28 61 6d 70 2c 20 |ble rand|fi(amp, |
|00003890| 66 72 65 71 2c 20 61 20 | 29 0d 09 64 6f 75 62 6c |freq, a |)..doubl|
|000038a0| 65 09 61 6d 70 2c 20 66 | 72 65 71 2c 20 2a 61 3b |e.amp, f|req, *a;|
|000038b0| 0d 7b 0d 2f 2a 20 66 72 | 65 71 20 69 6e 20 48 7a |.{./* fr|eq in Hz|
|000038c0| 0d 2a 20 2a 61 20 3d 20 | 73 65 65 64 2c 20 28 31 |.* *a = |seed, (1|
|000038d0| 2e 30 20 74 6f 20 69 6e | 69 74 29 0d 2a 20 61 5b |.0 to in|it).* a[|
|000038e0| 31 5d 20 3d 20 6f 6c 64 | 76 61 6c 20 28 30 2e 30 |1] = old|val (0.0|
|000038f0| 29 0d 2a 20 61 5b 32 5d | 20 3d 20 64 69 66 66 20 |).* a[2]| = diff |
|00003900| 20 20 28 30 2e 30 29 0d | 2a 20 61 5b 33 5d 20 3d |  (0.0).|* a[3] =|
|00003910| 20 70 68 73 20 20 20 20 | 28 30 2e 30 29 0d 2a 20 | phs    |(0.0).* |
|00003920| 61 5b 34 5d 20 3d 20 66 | 61 63 74 6f 72 20 28 30 |a[4] = f|actor (0|
|00003930| 2e 30 2e 2e 2e 31 2e 30 | 29 0d 2a 2f 0d 09 72 65 |.0...1.0|).*/..re|
|00003940| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 20 69 6e |gister.d|ouble in|
|00003950| 74 65 72 70 20 3d 20 2a | 28 61 2b 33 29 20 2f 20 |terp = *|(a+3) / |
|00003960| 28 73 72 61 74 65 20 2f | 20 66 72 65 71 29 3b 0d |(srate /| freq);.|
|00003970| 09 69 66 20 28 20 69 6e | 74 65 72 70 20 3e 3d 20 |.if ( in|terp >= |
|00003980| 31 2e 30 29 20 7b 0d 09 | 09 2a 28 61 2b 33 29 20 |1.0) {..|.*(a+3) |
|00003990| 3d 20 30 2e 30 3b 0d 09 | 09 69 6e 74 65 72 70 20 |= 0.0;..|.interp |
|000039a0| 3d 20 30 2e 30 3b 0d 09 | 7d 0d 09 69 66 20 28 20 |= 0.0;..|}..if ( |
|000039b0| 2a 28 61 2b 33 29 20 3d | 3d 20 30 2e 30 20 29 20 |*(a+3) =|= 0.0 ) |
|000039c0| 7b 0d 09 09 2a 28 61 2b | 31 29 20 2b 3d 20 2a 28 |{...*(a+|1) += *(|
|000039d0| 61 2b 32 29 3b 0d 09 09 | 2a 28 61 2b 32 29 20 3d |a+2);...|*(a+2) =|
|000039e0| 20 72 61 6e 64 66 28 20 | 2a 28 61 2b 31 29 2c 20 | randf( |*(a+1), |
|000039f0| 2a 28 61 2b 34 29 2c 20 | 61 20 29 20 2d 20 2a 28 |*(a+4), |a ) - *(|
|00003a00| 61 2b 31 29 3b 0d 09 7d | 0d 09 2a 28 61 2b 33 29 |a+1);..}|..*(a+3)|
|00003a10| 20 2b 3d 20 31 2e 30 3b | 0d 09 72 65 74 75 72 6e | += 1.0;|..return|
|00003a20| 28 20 61 6d 70 20 2a 20 | 28 20 2a 28 61 2b 31 29 |( amp * |( *(a+1)|
|00003a30| 20 2b 20 28 20 69 6e 74 | 65 72 70 20 2a 20 2a 28 | + ( int|erp * *(|
|00003a40| 61 2b 32 29 29 20 29 29 | 3b 0d 7d 0d 0d 64 6f 75 |a+2)) ))|;.}..dou|
|00003a50| 62 6c 65 20 72 61 6e 64 | 68 28 61 6d 70 2c 20 73 |ble rand|h(amp, s|
|00003a60| 69 2c 20 61 29 0d 09 64 | 6f 75 62 6c 65 09 61 6d |i, a)..d|ouble.am|
|00003a70| 70 2c 20 73 69 2c 20 2a | 61 3b 0d 7b 0d 09 2a 28 |p, si, *|a;.{..*(|
|00003a80| 61 29 20 2b 3d 20 73 69 | 3b 0d 09 69 66 20 28 20 |a) += si|;..if ( |
|00003a90| 2a 28 61 29 20 3e 3d 20 | 35 31 32 2e 30 29 20 7b |*(a) >= |512.0) {|
|00003aa0| 0d 09 09 2a 28 61 2b 31 | 29 20 3d 20 72 61 6e 64 |...*(a+1|) = rand|
|00003ab0| 6f 6d 28 28 61 2b 31 29 | 29 3b 0d 09 09 2a 28 61 |om((a+1)|);...*(a|
|00003ac0| 29 20 2d 3d 20 35 31 32 | 2e 30 3b 0d 09 7d 0d 09 |) -= 512|.0;..}..|
|00003ad0| 72 65 74 75 72 6e 28 20 | 2a 28 61 2b 31 29 20 2a |return( |*(a+1) *|
|00003ae0| 20 61 6d 70 20 29 3b 0d | 7d 0d 0d 64 6f 75 62 6c | amp );.|}..doubl|
|00003af0| 65 20 72 61 6e 64 69 28 | 61 6d 70 2c 20 73 69 2c |e randi(|amp, si,|
|00003b00| 20 61 29 0d 09 64 6f 75 | 62 6c 65 09 61 6d 70 2c | a)..dou|ble.amp,|
|00003b10| 20 73 69 2c 20 2a 61 3b | 0d 7b 0d 09 2a 28 61 29 | si, *a;|.{..*(a)|
|00003b20| 20 2b 3d 20 28 73 69 20 | 2f 20 35 31 32 2e 30 29 | += (si |/ 512.0)|
|00003b30| 3b 0d 09 69 66 20 28 20 | 2a 28 61 29 20 3e 20 31 |;..if ( |*(a) > 1|
|00003b40| 2e 30 20 29 20 20 7b 0d | 09 09 2a 28 61 29 20 2d |.0 )  {.|..*(a) -|
|00003b50| 3d 20 31 2e 30 3b 0d 09 | 09 2a 28 61 2b 31 29 20 |= 1.0;..|.*(a+1) |
|00003b60| 3d 20 2a 28 61 2b 32 29 | 3b 0d 09 09 2a 28 61 2b |= *(a+2)|;...*(a+|
|00003b70| 32 29 20 3d 20 72 61 6e | 64 6f 6d 28 20 28 61 2b |2) = ran|dom( (a+|
|00003b80| 32 29 20 29 3b 0d 09 09 | 2a 28 61 2b 33 29 20 3d |2) );...|*(a+3) =|
|00003b90| 20 32 2e 30 20 2a 20 28 | 20 2a 28 61 2b 31 29 20 | 2.0 * (| *(a+1) |
|00003ba0| 2d 20 2a 28 61 2b 32 29 | 20 29 3b 0d 09 09 2a 28 |- *(a+2)| );...*(|
|00003bb0| 61 2b 31 29 20 3d 20 31 | 2e 30 20 2d 20 28 20 2a |a+1) = 1|.0 - ( *|
|00003bc0| 28 61 2b 31 29 20 2a 20 | 32 2e 30 20 29 20 2d 20 |(a+1) * |2.0 ) - |
|00003bd0| 28 2a 28 61 2b 33 29 20 | 2a 20 2a 28 61 29 20 29 |(*(a+3) |* *(a) )|
|00003be0| 3b 0d 09 7d 0d 09 72 65 | 74 75 72 6e 28 20 28 20 |;..}..re|turn( ( |
|00003bf0| 2a 28 61 2b 31 29 20 2b | 20 2a 28 61 2b 33 29 20 |*(a+1) +| *(a+3) |
|00003c00| 2a 20 2a 28 61 29 20 29 | 20 2a 20 61 6d 70 29 3b |* *(a) )| * amp);|
|00003c10| 0d 7d 0d 0d 0d 0d 64 6f | 75 62 6c 65 20 61 6c 70 |.}....do|uble alp|
|00003c20| 61 73 73 28 78 69 6e 2c | 20 72 76 74 2c 20 61 29 |ass(xin,| rvt, a)|
|00003c30| 0d 09 64 6f 75 62 6c 65 | 09 78 69 6e 2c 20 72 76 |..double|.xin, rv|
|00003c40| 74 2c 20 2a 61 3b 0d 7b | 0d 09 72 65 67 69 73 74 |t, *a;.{|..regist|
|00003c50| 65 72 20 20 6c 3b 0d 09 | 72 65 67 69 73 74 65 72 |er  l;..|register|
|00003c60| 09 64 6f 75 62 6c 65 20 | 78 20 3d 20 63 6f 6d 62 |.double |x = comb|
|00003c70| 28 78 69 6e 2c 20 72 76 | 74 2c 20 61 29 3b 0d 09 |(xin, rv|t, a);..|
|00003c80| 6c 20 3d 20 2a 28 61 2b | 34 29 3b 0d 09 72 65 74 |l = *(a+|4);..ret|
|00003c90| 75 72 6e 28 20 78 20 2d | 20 2a 28 61 2b 33 29 20 |urn( x -| *(a+3) |
|00003ca0| 2a 20 2a 28 61 2b 6c 29 | 20 29 3b 0d 7d 0d 0d 64 |* *(a+l)| );.}..d|
|00003cb0| 6f 75 62 6c 65 20 62 61 | 6c 6e 63 65 28 79 2c 20 |ouble ba|lnce(y, |
|00003cc0| 78 2c 20 61 29 0d 09 64 | 6f 75 62 6c 65 09 79 2c |x, a)..d|ouble.y,|
|00003cd0| 20 78 2c 20 2a 61 3b 0d | 7b 0d 09 72 65 67 69 73 | x, *a;.|{..regis|
|00003ce0| 74 65 72 09 64 6f 75 62 | 6c 65 20 71 20 3d 20 74 |ter.doub|le q = t|
|00003cf0| 6f 6e 65 28 79 20 2a 20 | 79 2c 20 28 61 2b 33 29 |one(y * |y, (a+3)|
|00003d00| 29 3b 0d 09 69 66 20 28 | 20 71 20 3d 3d 20 30 2e |);..if (| q == 0.|
|00003d10| 30 20 29 20 71 20 3d 20 | 30 2e 30 30 30 30 30 30 |0 ) q = |0.000000|
|00003d20| 30 31 3b 0d 09 72 65 74 | 75 72 6e 28 20 79 20 2a |01;..ret|urn( y *|
|00003d30| 20 73 71 72 74 28 20 74 | 6f 6e 65 28 78 20 2a 20 | sqrt( t|one(x * |
|00003d40| 78 2c 20 61 29 29 20 2f | 20 71 29 3b 0d 7d 0d 0d |x, a)) /| q);.}..|
|00003d50| 64 6f 75 62 6c 65 20 63 | 6f 6d 62 28 78 69 6e 2c |double c|omb(xin,|
|00003d60| 20 72 76 74 2c 20 61 29 | 0d 09 64 6f 75 62 6c 65 | rvt, a)|..double|
|00003d70| 09 78 69 6e 2c 20 72 76 | 74 2c 20 2a 61 3b 0d 7b |.xin, rv|t, *a;.{|
|00003d80| 0d 09 72 65 67 69 73 74 | 65 72 20 20 6b 3b 0d 09 |..regist|er  k;..|
|00003d90| 72 65 67 69 73 74 65 72 | 09 64 6f 75 62 6c 65 20 |register|.double |
|00003da0| 73 69 67 3b 0d 09 69 66 | 20 28 20 72 76 74 20 21 |sig;..if| ( rvt !|
|00003db0| 3d 20 2a 28 61 2b 32 29 | 29 20 7b 0d 09 09 69 66 |= *(a+2)|) {...if|
|00003dc0| 20 28 20 72 76 74 20 3d | 3d 20 30 2e 30 20 29 0d | ( rvt =|= 0.0 ).|
|00003dd0| 09 09 09 2a 28 61 2b 33 | 29 20 3d 20 30 2e 30 3b |...*(a+3|) = 0.0;|
|00003de0| 0d 09 09 65 6c 73 65 0d | 09 09 09 2a 28 61 2b 33 |...else.|...*(a+3|
|00003df0| 29 20 3d 20 70 6f 77 28 | 30 2e 30 30 31 2c 20 2a |) = pow(|0.001, *|
|00003e00| 28 61 2b 31 29 20 2f 20 | 72 76 74 20 29 3b 0d 09 |(a+1) / |rvt );..|
|00003e10| 09 2a 28 61 2b 33 29 20 | 3d 20 30 2e 30 3b 0d 09 |.*(a+3) |= 0.0;..|
|00003e20| 09 2a 28 61 2b 32 29 20 | 3d 20 72 76 74 3b 0d 09 |.*(a+2) |= rvt;..|
|00003e30| 7d 0d 09 69 66 20 28 20 | 2a 28 61 2b 34 29 20 3e |}..if ( |*(a+4) >|
|00003e40| 3d 20 2a 28 61 29 29 0d | 09 09 2a 28 61 2b 34 29 |= *(a)).|..*(a+4)|
|00003e50| 20 3d 20 35 2e 30 3b 0d | 09 65 6c 73 65 0d 09 09 | = 5.0;.|.else...|
|00003e60| 2a 28 61 2b 35 29 20 2b | 3d 20 31 2e 30 3b 0d 09 |*(a+5) +|= 1.0;..|
|00003e70| 6b 20 3d 20 28 6c 6f 6e | 67 29 2a 28 61 2b 34 29 |k = (lon|g)*(a+4)|
|00003e80| 3b 0d 09 73 69 67 20 3d | 20 2a 28 61 2b 6b 29 3b |;..sig =| *(a+k);|
|00003e90| 0d 09 2a 28 61 2b 6b 29 | 20 3d 20 28 2a 28 61 2b |..*(a+k)| = (*(a+|
|00003ea0| 6b 29 20 2a 20 2a 28 61 | 2b 33 29 29 20 2b 20 78 |k) * *(a|+3)) + x|
|00003eb0| 69 6e 3b 0d 09 72 65 74 | 75 72 6e 28 73 69 67 29 |in;..ret|urn(sig)|
|00003ec0| 3b 0d 7d 0d 0d 0d 76 6f | 69 64 20 63 6f 73 63 75 |;.}...vo|id coscu|
|00003ed0| 72 76 28 63 75 72 76 2c | 20 63 64 69 66 66 29 0d |rv(curv,| cdiff).|
|00003ee0| 09 64 6f 75 62 6c 65 09 | 63 75 72 76 5b 5d 3b 0d |.double.|curv[];.|
|00003ef0| 09 64 6f 75 62 6c 65 09 | 63 64 69 66 66 5b 5d 3b |.double.|cdiff[];|
|00003f00| 0d 7b 0d 09 72 65 67 69 | 73 74 65 72 09 64 6f 75 |.{..regi|ster.dou|
|00003f10| 62 6c 65 09 70 69 20 3d | 20 34 2e 30 20 2a 20 61 |ble.pi =| 4.0 * a|
|00003f20| 74 61 6e 28 31 2e 30 29 | 3b 0d 09 72 65 67 69 73 |tan(1.0)|;..regis|
|00003f30| 74 65 72 20 20 69 3b 0d | 0d 09 66 6f 72 20 28 20 |ter  i;.|..for ( |
|00003f40| 69 20 3d 20 30 3b 20 69 | 20 3c 20 31 32 38 3b 20 |i = 0; i| < 128; |
|00003f50| 69 2b 2b 29 0d 09 09 2a | 28 63 75 72 76 2b 69 29 |i++)...*|(curv+i)|
|00003f60| 20 3d 20 28 31 2e 30 20 | 2d 20 63 6f 73 28 70 69 | = (1.0 |- cos(pi|
|00003f70| 20 2a 20 28 69 2f 31 32 | 37 2e 30 29 29 29 20 2a | * (i/12|7.0))) *|
|00003f80| 20 30 2e 35 3b 0d 09 66 | 6f 72 20 28 20 69 20 3d | 0.5;..f|or ( i =|
|00003f90| 20 30 3b 20 69 20 3c 20 | 31 32 37 3b 20 69 2b 2b | 0; i < |127; i++|
|00003fa0| 29 0d 09 09 2a 28 63 64 | 69 66 66 2b 69 29 20 3d |)...*(cd|iff+i) =|
|00003fb0| 20 2a 28 63 75 72 76 2b | 69 2b 31 29 20 2d 20 2a | *(curv+|i+1) - *|
|00003fc0| 28 63 75 72 76 2b 69 29 | 3b 0d 09 2a 28 63 64 69 |(curv+i)|;..*(cdi|
|00003fd0| 66 66 2b 31 32 37 29 20 | 3d 20 30 2e 30 3b 0d 7d |ff+127) |= 0.0;.}|
|00003fe0| 0d 0d 64 6f 75 62 6c 65 | 20 62 75 7a 7a 28 61 6d |..double| buzz(am|
|00003ff0| 70 2c 20 73 69 2c 20 68 | 6e 2c 20 66 6e 6f 2c 20 |p, si, h|n, fno, |
|00004000| 70 68 73 20 29 0d 09 64 | 6f 75 62 6c 65 09 61 6d |phs )..d|ouble.am|
|00004010| 70 2c 20 73 69 2c 20 68 | 6e 2c 20 2a 70 68 73 3b |p, si, h|n, *phs;|
|00004020| 0d 09 69 6e 74 09 66 6e | 6f 3b 0d 7b 0d 09 72 65 |..int.fn|o;.{..re|
|00004030| 67 69 73 74 65 72 20 20 | 6a 20 3d 20 2a 70 68 73 |gister  |j = *phs|
|00004040| 3b 0d 09 72 65 67 69 73 | 74 65 72 20 20 6b 20 3d |;..regis|ter  k =|
|00004050| 20 28 6a 2b 31 29 20 25 | 20 31 30 32 34 3b 0d 09 | (j+1) %| 1024;..|
|00004060| 64 6f 75 62 6c 65 09 73 | 69 67 3b 0d 09 72 65 67 |double.s|ig;..reg|
|00004070| 69 73 74 65 72 09 64 6f | 75 62 6c 65 20 68 32 6e |ister.do|uble h2n|
|00004080| 20 3d 20 32 2e 30 20 2a | 20 68 6e 3b 0d 09 72 65 | = 2.0 *| hn;..re|
|00004090| 67 69 73 74 65 72 09 64 | 6f 75 62 6c 65 20 68 32 |gister.d|ouble h2|
|000040a0| 6e 70 31 20 3d 20 68 32 | 6e 20 2b 20 31 2e 30 3b |np1 = h2|n + 1.0;|
|000040b0| 0d 09 72 65 67 69 73 74 | 65 72 09 64 6f 75 62 6c |..regist|er.doubl|
|000040c0| 65 09 71 20 3d 20 28 69 | 6e 74 29 28 20 28 2a 70 |e.q = (i|nt)( (*p|
|000040d0| 68 73 20 2d 20 28 69 6e | 74 29 2a 70 68 73 29 20 |hs - (in|t)*phs) |
|000040e0| 2a 20 68 32 6e 70 31 29 | 20 2f 20 68 32 6e 70 31 |* h2np1)| / h2np1|
|000040f0| 3b 0d 09 64 6f 75 62 6c | 65 09 64 20 3d 20 2a 28 |;..doubl|e.d = *(|
|00004100| 46 5b 66 6e 6f 5d 20 2b | 20 6a 20 2b 20 31 29 3b |F[fno] +| j + 1);|
|00004110| 0d 09 64 6f 75 62 6c 65 | 09 65 20 3d 20 2a 28 46 |..double|.e = *(F|
|00004120| 5b 66 6e 6f 5d 20 2b 20 | 6b 20 2b 20 31 29 3b 0d |[fno] + |k + 1);.|
|00004130| 09 64 20 2b 3d 20 20 28 | 65 20 2d 20 64 29 20 2a |.d +=  (|e - d) *|
|00004140| 20 71 3b 0d 09 69 66 20 | 28 20 64 20 3d 3d 20 30 | q;..if |( d == 0|
|00004150| 2e 30 20 29 0d 09 09 73 | 69 67 20 3d 20 61 6d 70 |.0 )...s|ig = amp|
|00004160| 3b 0d 09 65 6c 73 65 20 | 7b 0d 09 09 6b 20 3d 20 |;..else |{...k = |
|00004170| 28 69 6e 74 29 28 68 32 | 6e 70 31 20 2a 20 2a 70 |(int)(h2|np1 * *p|
|00004180| 68 73 29 20 25 20 31 30 | 32 34 3b 0d 09 09 73 69 |hs) % 10|24;...si|
|00004190| 67 20 3d 20 20 61 6d 70 | 20 2a 20 28 2a 28 46 5b |g =  amp| * (*(F[|
|000041a0| 66 6e 6f 5d 20 2b 20 6b | 20 2b 20 31 29 20 2f 20 |fno] + k| + 1) / |
|000041b0| 64 20 2d 20 31 2e 30 29 | 20 2f 20 68 32 6e 3b 0d |d - 1.0)| / h2n;.|
|000041c0| 09 7d 0d 09 2a 70 68 73 | 20 2b 3d 20 73 69 3b 0d |.}..*phs| += si;.|
|000041d0| 09 77 68 69 6c 65 20 28 | 2a 70 68 73 20 3e 3d 20 |.while (|*phs >= |
|000041e0| 31 30 32 34 2e 30 29 20 | 2a 70 68 73 20 2d 3d 20 |1024.0) |*phs -= |
|000041f0| 31 30 32 34 2e 30 3b 0d | 09 72 65 74 75 72 6e 28 |1024.0;.|.return(|
|00004200| 73 69 67 29 3b 0d 7d 0d | 0d 0d 76 6f 69 64 20 72 |sig);.}.|..void r|
|00004210| 76 62 73 65 74 28 78 69 | 6e 69 74 2c 20 61 29 0d |vbset(xi|nit, a).|
|00004220| 09 64 6f 75 62 6c 65 09 | 78 69 6e 69 74 2c 20 2a |.double.|xinit, *|
|00004230| 61 3b 0d 7b 0d 09 72 65 | 67 69 73 74 65 72 20 20 |a;.{..re|gister  |
|00004240| 69 3b 0d 09 72 65 67 69 | 73 74 65 72 20 20 6a 3b |i;..regi|ster  j;|
|00004250| 0d 09 76 6f 69 64 20 63 | 6d 62 73 65 74 28 29 3b |..void c|mbset();|
|00004260| 0d 09 64 6f 75 62 6c 65 | 20 78 6c 5b 36 5d 3b 0d |..double| xl[6];.|
|00004270| 0d 09 78 6c 5b 30 5d 20 | 3d 20 30 2e 30 32 39 37 |..xl[0] |= 0.0297|
|00004280| 3b 0d 09 78 6c 5b 31 5d | 20 3d 20 30 2e 30 33 37 |;..xl[1]| = 0.037|
|00004290| 31 3b 0d 09 78 6c 5b 32 | 5d 20 3d 20 30 2e 30 34 |1;..xl[2|] = 0.04|
|000042a0| 31 31 3b 0d 09 78 6c 5b | 33 5d 20 3d 20 30 2e 30 |11;..xl[|3] = 0.0|
|000042b0| 34 33 37 3b 0d 0d 09 78 | 6c 5b 34 5d 20 3d 20 30 |437;...x|l[4] = 0|
|000042c0| 2e 30 30 35 3b 0d 09 78 | 6c 5b 35 5d 20 3d 20 30 |.005;..x|l[5] = 0|
|000042d0| 2e 30 30 31 37 3b 0d 0d | 09 6a 20 3d 20 30 3b 0d |.0017;..|.j = 0;.|
|000042e0| 09 66 6f 72 20 28 69 20 | 3d 20 30 3b 20 69 20 3c |.for (i |= 0; i <|
|000042f0| 20 36 3b 20 69 2b 2b 20 | 29 20 7b 0d 09 09 63 6d | 6; i++ |) {...cm|
|00004300| 62 73 65 74 28 20 78 6c | 5b 69 5d 2c 20 78 69 6e |bset( xl|[i], xin|
|00004310| 69 74 2c 20 61 2b 6a 20 | 29 3b 0d 09 09 6a 20 2b |it, a+j |);...j +|
|00004320| 3d 20 28 6c 6f 6e 67 29 | 2a 28 61 2b 6a 29 3b 0d |= (long)|*(a+j);.|
|00004330| 09 7d 0d 7d 0d 0d 64 6f | 75 62 6c 65 20 72 65 76 |.}.}..do|uble rev|
|00004340| 65 72 62 28 78 69 6e 2c | 20 72 76 74 2c 20 61 20 |erb(xin,| rvt, a |
|00004350| 29 0d 09 64 6f 75 62 6c | 65 20 78 69 6e 2c 20 72 |)..doubl|e xin, r|
|00004360| 76 74 2c 20 2a 61 3b 0d | 7b 0d 2f 2a 20 61 66 74 |vt, *a;.|{./* aft|
|00004370| 65 72 20 53 63 68 72 6f | 65 64 65 72 20 2a 2f 0d |er Schro|eder */.|
|00004380| 2f 2a 20 64 69 6d 65 6e | 73 69 6f 6e 20 66 6f 72 |/* dimen|sion for|
|00004390| 20 22 61 22 20 69 73 20 | 28 33 30 20 2b 20 31 35 | "a" is |(30 + 15|
|000043a0| 33 38 20 2a 20 73 72 61 | 74 65 20 2f 20 31 30 30 |38 * sra|te / 100|
|000043b0| 30 30 29 20 2d 20 31 20 | 2a 2f 0d 09 64 6f 75 62 |00) - 1 |*/..doub|
|000043c0| 6c 65 20 78 3b 0d 09 72 | 65 67 69 73 74 65 72 20 |le x;..r|egister |
|000043d0| 20 69 3b 0d 09 72 65 67 | 69 73 74 65 72 20 20 6a | i;..reg|ister  j|
|000043e0| 3b 0d 0d 09 78 20 3d 20 | 30 2e 30 3b 0d 09 6a 20 |;...x = |0.0;..j |
|000043f0| 3d 20 30 3b 0d 09 66 6f | 72 20 28 20 69 20 3d 20 |= 0;..fo|r ( i = |
|00004400| 30 3b 20 69 20 3c 20 34 | 3b 20 69 2b 2b 20 29 20 |0; i < 4|; i++ ) |
|00004410| 7b 0d 09 09 78 20 2b 3d | 20 63 6f 6d 62 28 78 69 |{...x +=| comb(xi|
|00004420| 6e 2c 20 72 76 74 2c 20 | 61 2b 6a 20 29 3b 0d 09 |n, rvt, |a+j );..|
|00004430| 09 6a 20 2b 3d 20 28 6c | 6f 6e 67 29 2a 28 61 2b |.j += (l|ong)*(a+|
|00004440| 6a 29 3b 0d 09 7d 0d 09 | 78 20 3d 20 61 6c 70 61 |j);..}..|x = alpa|
|00004450| 73 73 28 78 2c 20 30 2e | 30 39 36 38 33 35 2c 20 |ss(x, 0.|096835, |
|00004460| 61 2b 6a 29 20 2a 20 30 | 2e 32 35 3b 0d 09 6a 20 |a+j) * 0|.25;..j |
|00004470| 2b 3d 20 28 6c 6f 6e 67 | 29 2a 28 61 2b 6a 29 3b |+= (long|)*(a+j);|
|00004480| 0d 09 72 65 74 75 72 6e | 28 20 61 6c 70 61 73 73 |..return|( alpass|
|00004490| 28 78 2c 20 30 2e 33 32 | 39 32 34 2c 20 61 2b 6a |(x, 0.32|924, a+j|
|000044a0| 29 29 3b 0d 7d 0d 0d 76 | 6f 69 64 20 72 76 62 32 |));.}..v|oid rvb2|
|000044b0| 73 65 74 28 72 76 74 2c | 20 78 69 6e 69 74 2c 20 |set(rvt,| xinit, |
|000044c0| 61 2c 20 62 20 29 0d 09 | 64 6f 75 62 6c 65 20 72 |a, b )..|double r|
|000044d0| 76 74 2c 20 78 69 6e 69 | 74 2c 20 2a 61 2c 20 2a |vt, xini|t, *a, *|
|000044e0| 62 3b 0d 7b 0d 2f 2a 0d | 2a 20 52 65 76 65 72 62 |b;.{./*.|* Reverb|
|000044f0| 20 75 6e 69 74 20 63 6f | 6e 73 69 73 74 73 20 6f | unit co|nsists o|
|00004500| 66 20 36 20 63 6f 6d 62 | 73 20 69 6e 20 70 61 72 |f 6 comb|s in par|
|00004510| 61 6c 6c 65 6c 2c 20 66 | 6f 6c 6c 6f 77 65 64 20 |allel, f|ollowed |
|00004520| 62 79 20 31 20 61 6c 70 | 61 73 73 20 66 69 6c 74 |by 1 alp|ass filt|
|00004530| 65 72 2e 0d 2a 20 43 6f | 6d 62 73 20 65 61 63 68 |er..* Co|mbs each|
|00004540| 20 68 61 76 65 20 61 20 | 6c 6f 77 20 70 61 73 73 | have a |low pass|
|00004550| 20 66 69 6c 74 65 72 20 | 62 75 69 6c 74 20 69 6e | filter |built in|
|00004560| 2e 0d 2a 20 62 5b 30 5d | 20 74 6f 20 62 5b 35 5d |..* b[0]| to b[5]|
|00004570| 20 3d 20 64 65 6c 61 79 | 20 74 69 6d 65 73 20 28 | = delay| times (|
|00004580| 69 6e 20 73 65 63 6f 6e | 64 73 29 20 66 6f 72 20 |in secon|ds) for |
|00004590| 74 68 65 20 63 6f 6d 62 | 20 66 69 6c 74 65 72 73 |the comb| filters|
|000045a0| 2e 0d 2a 20 62 5b 36 5d | 20 3d 20 64 65 6c 61 79 |..* b[6]| = delay|
|000045b0| 20 74 69 6d 65 20 28 69 | 6e 20 73 65 63 6f 6e 64 | time (i|n second|
|000045c0| 73 29 20 66 6f 72 20 74 | 68 65 20 61 6c 70 61 73 |s) for t|he alpas|
|000045d0| 73 20 66 69 6c 74 65 72 | 2e 0d 2a 0d 2a 20 62 5b |s filter|..*.* b[|
|000045e0| 37 5d 20 74 6f 20 62 5b | 31 32 5d 20 3d 20 67 61 |7] to b[|12] = ga|
|000045f0| 69 6e 73 20 66 6f 72 20 | 6c 6f 77 20 70 61 73 73 |ins for |low pass|
|00004600| 20 66 69 6c 74 65 72 73 | 20 69 6e 20 63 6f 6d 62 | filters| in comb|
|00004610| 73 2e 0d 2a 20 62 5b 31 | 33 5d 20 3d 20 67 61 69 |s..* b[1|3] = gai|
|00004620| 6e 20 66 6f 72 20 61 6c | 70 61 73 73 2e 0d 2a 0d |n for al|pass..*.|
|00004630| 2a 20 69 66 20 62 5b 30 | 5d 20 3d 20 30 2e 30 20 |* if b[0|] = 0.0 |
|00004640| 66 69 78 65 64 20 64 61 | 74 61 20 28 61 73 20 62 |fixed da|ta (as b|
|00004650| 65 6c 6f 77 29 20 69 73 | 20 75 73 65 64 2c 20 74 |elow) is| used, t|
|00004660| 68 69 73 20 77 61 73 20 | 74 61 6b 65 6e 20 66 72 |his was |taken fr|
|00004670| 6f 6d 0d 2a 20 41 6e 64 | 79 20 4d 6f 6f 72 65 72 |om.* And|y Moorer|
|00004680| 27 73 20 22 41 62 6f 75 | 74 20 74 68 69 73 20 52 |'s "Abou|t this R|
|00004690| 65 76 65 72 62 65 72 61 | 74 69 6f 6e 20 42 75 73 |everbera|tion Bus|
|000046a0| 69 6e 65 73 73 22 20 61 | 6e 64 20 69 73 20 66 6f |iness" a|nd is fo|
|000046b0| 72 20 31 36 2e 36 36 6b | 48 7a 0d 2a 20 73 61 6d |r 16.66k|Hz.* sam|
|000046c0| 70 6c 69 6e 67 20 72 61 | 74 65 2e 0d 2a 0d 2a 20 |pling ra|te..*.* |
|000046d0| 47 61 69 6e 73 20 66 6f | 72 20 66 69 6c 74 65 72 |Gains fo|r filter|
|000046e0| 73 20 28 67 32 29 20 61 | 72 65 20 63 61 6c 63 75 |s (g2) a|re calcu|
|000046f0| 6c 61 74 65 64 20 61 73 | 20 66 6f 6c 6c 6f 77 73 |lated as| follows|
|00004700| 3a 0d 2a 09 67 32 20 3d | 20 67 61 69 6e 20 2a 20 |:.*.g2 =| gain * |
|00004710| 28 31 2e 30 20 2d 20 67 | 31 29 0d 2a 20 77 68 65 |(1.0 - g|1).* whe|
|00004720| 72 65 20 67 31 20 69 73 | 20 74 68 65 20 6c 6f 77 |re g1 is| the low|
|00004730| 20 70 61 73 73 20 66 69 | 6c 74 65 72 20 67 61 69 | pass fi|lter gai|
|00004740| 6e 20 61 6e 64 20 22 67 | 61 69 6e 22 20 69 73 20 |n and "g|ain" is |
|00004750| 63 61 6c 63 75 6c 61 74 | 65 64 20 66 72 6f 6d 20 |calculat|ed from |
|00004760| 61 70 70 72 6f 78 2e 0d | 2a 09 67 61 69 6e 20 3d |approx..|*.gain =|
|00004770| 20 31 2e 30 20 2d 20 28 | 20 30 2e 33 36 36 20 2f | 1.0 - (| 0.366 /|
|00004780| 20 72 65 76 65 72 62 5f | 74 69 6d 65 20 29 0d 2a | reverb_|time ).*|
|00004790| 0d 2a 20 44 69 6d 65 6e | 73 69 6f 6e 20 6f 66 20 |.* Dimen|sion of |
|000047a0| 61 72 72 61 79 20 22 61 | 22 20 69 73 20 67 69 76 |array "a|" is giv|
|000047b0| 65 6e 20 62 79 20 74 68 | 65 20 73 75 6d 20 6f 66 |en by th|e sum of|
|000047c0| 0d 2a 09 28 64 65 6c 61 | 79 5f 74 69 6d 65 20 2a |.*.(dela|y_time *|
|000047d0| 20 73 61 6d 70 6c 69 6e | 67 5f 72 61 74 65 29 20 | samplin|g_rate) |
|000047e0| 2b 20 35 2e 35 20 66 6f | 72 20 65 61 63 68 20 63 |+ 5.5 fo|r each c|
|000047f0| 6f 6d 62 20 61 6e 64 20 | 61 6c 70 61 73 73 2e 0d |omb and |alpass..|
|00004800| 2a 09 3d 20 36 35 35 37 | 20 66 6f 72 20 74 68 65 |*.= 6557| for the|
|00004810| 20 66 69 78 65 64 20 64 | 61 74 61 20 61 74 20 73 | fixed d|ata at s|
|00004820| 72 61 74 65 20 3d 20 31 | 36 36 36 36 37 2e 0d 2a |rate = 1|66667..*|
|00004830| 20 20 20 3d 20 37 38 35 | 30 20 66 6f 72 20 32 30 |   = 785|0 for 20|
|00004840| 30 30 30 0d 2a 2f 0d 0d | 09 64 6f 75 62 6c 65 20 |000.*/..|.double |
|00004850| 64 65 6c 5b 37 5d 3b 0d | 09 64 6f 75 62 6c 65 20 |del[7];.|.double |
|00004860| 66 69 6c 74 67 5b 37 5d | 3b 0d 09 64 6f 75 62 6c |filtg[7]|;..doubl|
|00004870| 65 20 67 61 69 6e 3b 0d | 09 72 65 67 69 73 74 65 |e gain;.|.registe|
|00004880| 72 20 20 69 3b 0d 09 72 | 65 67 69 73 74 65 72 20 |r  i;..r|egister |
|00004890| 20 6a 3b 0d 09 69 6e 74 | 20 6c 6a 3b 0d 09 69 6e | j;..int| lj;..in|
|000048a0| 74 20 6e 3b 0d 09 0d 09 | 69 66 20 28 20 2a 62 20 |t n;....|if ( *b |
|000048b0| 3d 3d 20 30 2e 30 29 20 | 7b 0d 09 09 2a 64 65 6c |== 0.0) |{...*del|
|000048c0| 20 3d 20 30 2e 30 35 3b | 0d 09 09 2a 28 64 65 6c | = 0.05;|...*(del|
|000048d0| 2b 31 29 20 3d 20 30 2e | 30 35 36 3b 0d 09 09 2a |+1) = 0.|056;...*|
|000048e0| 28 64 65 6c 2b 32 29 20 | 3d 20 30 2e 30 36 31 3b |(del+2) |= 0.061;|
|000048f0| 0d 09 09 2a 28 64 65 6c | 2b 33 29 20 3d 20 30 2e |...*(del|+3) = 0.|
|00004900| 30 36 38 3b 0d 09 09 2a | 28 64 65 6c 2b 34 29 20 |068;...*|(del+4) |
|00004910| 3d 20 30 2e 30 37 32 3b | 0d 09 09 2a 28 64 65 6c |= 0.072;|...*(del|
|00004920| 2b 35 29 20 3d 20 30 2e | 30 37 38 3b 0d 09 09 2a |+5) = 0.|078;...*|
|00004930| 28 64 65 6c 2b 36 29 20 | 3d 20 30 2e 30 30 36 3b |(del+6) |= 0.006;|
|00004940| 0d 0d 09 09 2a 66 69 6c | 74 67 20 3d 20 30 2e 31 |....*fil|tg = 0.1|
|00004950| 37 32 3b 0d 09 09 2a 28 | 66 69 6c 74 67 2b 31 29 |72;...*(|filtg+1)|
|00004960| 20 3d 20 30 2e 31 37 39 | 3b 0d 09 09 2a 28 66 69 | = 0.179|;...*(fi|
|00004970| 6c 74 67 2b 32 29 20 3d | 20 30 2e 31 38 37 3b 0d |ltg+2) =| 0.187;.|
|00004980| 09 09 2a 28 66 69 6c 74 | 67 2b 33 29 20 3d 20 30 |..*(filt|g+3) = 0|
|00004990| 2e 31 39 34 3b 0d 09 09 | 2a 28 66 69 6c 74 67 2b |.194;...|*(filtg+|
|000049a0| 34 29 20 3d 20 30 2e 31 | 39 38 3b 0d 09 09 2a 28 |4) = 0.1|98;...*(|
|000049b0| 66 69 6c 74 67 2b 35 29 | 20 3d 20 30 2e 32 30 35 |filtg+5)| = 0.205|
|000049c0| 3b 0d 09 09 2a 28 66 69 | 6c 74 67 2b 36 29 20 3d |;...*(fi|ltg+6) =|
|000049d0| 20 30 2e 37 3b 0d 09 7d | 0d 09 65 6c 73 65 20 7b | 0.7;..}|..else {|
|000049e0| 0d 09 09 2a 64 65 6c 20 | 3d 20 2a 62 3b 0d 09 09 |...*del |= *b;...|
|000049f0| 2a 28 64 65 6c 2b 31 29 | 20 3d 20 2a 28 62 2b 31 |*(del+1)| = *(b+1|
|00004a00| 29 3b 0d 09 09 2a 28 64 | 65 6c 2b 32 29 20 3d 20 |);...*(d|el+2) = |
|00004a10| 2a 28 62 2b 32 29 3b 0d | 09 09 2a 28 64 65 6c 2b |*(b+2);.|..*(del+|
|00004a20| 33 29 20 3d 20 2a 28 62 | 2b 33 29 3b 0d 09 09 2a |3) = *(b|+3);...*|
|00004a30| 28 64 65 6c 2b 34 29 20 | 3d 20 2a 28 62 2b 34 29 |(del+4) |= *(b+4)|
|00004a40| 3b 0d 09 09 2a 28 64 65 | 6c 2b 35 29 20 3d 20 2a |;...*(de|l+5) = *|
|00004a50| 28 62 2b 35 29 3b 0d 09 | 09 2a 28 64 65 6c 2b 36 |(b+5);..|.*(del+6|
|00004a60| 29 20 3d 20 2a 28 62 2b | 36 29 3b 0d 0d 09 09 2a |) = *(b+|6);....*|
|00004a70| 66 69 6c 74 67 20 3d 20 | 2a 28 62 2b 37 29 3b 0d |filtg = |*(b+7);.|
|00004a80| 09 09 2a 28 66 69 6c 74 | 67 2b 31 29 20 3d 20 2a |..*(filt|g+1) = *|
|00004a90| 28 62 2b 38 29 3b 0d 09 | 09 2a 28 66 69 6c 74 67 |(b+8);..|.*(filtg|
|00004aa0| 2b 32 29 20 3d 20 2a 28 | 62 2b 39 29 3b 0d 09 09 |+2) = *(|b+9);...|
|00004ab0| 2a 28 66 69 6c 74 67 2b | 33 29 20 3d 20 2a 28 62 |*(filtg+|3) = *(b|
|00004ac0| 2b 31 30 29 3b 0d 09 09 | 2a 28 66 69 6c 74 67 2b |+10);...|*(filtg+|
|00004ad0| 34 29 20 3d 20 2a 28 62 | 2b 31 31 29 3b 0d 09 09 |4) = *(b|+11);...|
|00004ae0| 2a 28 66 69 6c 74 67 2b | 35 29 20 3d 20 2a 28 62 |*(filtg+|5) = *(b|
|00004af0| 2b 31 32 29 3b 0d 09 09 | 2a 28 66 69 6c 74 67 2b |+12);...|*(filtg+|
|00004b00| 36 29 20 3d 20 2a 28 62 | 2b 31 33 29 3b 0d 09 7d |6) = *(b|+13);..}|
|00004b10| 0d 09 67 61 69 6e 20 3d | 20 31 2e 30 20 2d 20 28 |..gain =| 1.0 - (|
|00004b20| 20 30 2e 33 36 36 20 2f | 20 72 76 74 29 3b 0d 0d | 0.366 /| rvt);..|
|00004b30| 2f 2a 0d 2a 20 2a 28 61 | 2b 6a 29 20 3d 20 62 75 |/*.* *(a|+j) = bu|
|00004b40| 66 66 65 72 20 6c 65 6e | 67 74 68 0d 2a 20 2a 28 |ffer len|gth.* *(|
|00004b50| 61 2b 6a 2b 31 29 20 3d | 20 67 32 2c 20 67 61 69 |a+j+1) =| g2, gai|
|00004b60| 6e 20 6f 66 20 63 6f 6d | 62 0d 2a 20 2a 28 61 2b |n of com|b.* *(a+|
|00004b70| 6a 2b 32 29 20 3d 20 67 | 31 2c 20 67 61 69 6e 20 |j+2) = g|1, gain |
|00004b80| 66 61 63 74 6f 72 0d 2a | 20 2a 28 61 2b 6a 2b 33 |factor.*| *(a+j+3|
|00004b90| 29 20 3d 20 70 72 65 76 | 69 6f 75 73 20 73 61 6d |) = prev|ious sam|
|00004ba0| 70 6c 65 20 66 6f 72 20 | 63 6f 6d 62 20 6c 70 66 |ple for |comb lpf|
|00004bb0| 0d 2a 20 2a 28 61 2b 6a | 2b 34 29 20 3d 20 70 74 |.* *(a+j|+4) = pt|
|00004bc0| 72 0d 2a 2f 0d 0d 09 6a | 20 3d 20 30 3b 0d 09 66 |r.*/...j| = 0;..f|
|00004bd0| 6f 72 20 28 20 69 20 3d | 20 30 3b 20 69 20 3c 20 |or ( i =| 0; i < |
|00004be0| 36 3b 20 69 2b 2b 20 29 | 20 7b 0d 09 09 2a 28 61 |6; i++ )| {...*(a|
|00004bf0| 2b 6a 29 20 3d 20 34 2e | 30 20 2b 20 28 6c 6f 6e |+j) = 4.|0 + (lon|
|00004c00| 67 29 28 20 2a 28 64 65 | 6c 2b 69 29 20 2a 20 73 |g)( *(de|l+i) * s|
|00004c10| 72 61 74 65 20 2b 20 30 | 2e 35 29 3b 0d 09 09 2a |rate + 0|.5);...*|
|00004c20| 28 61 2b 6a 2b 31 29 20 | 3d 20 67 61 69 6e 20 2a |(a+j+1) |= gain *|
|00004c30| 20 28 20 31 2e 30 20 2d | 20 2a 28 66 69 6c 74 67 | ( 1.0 -| *(filtg|
|00004c40| 2b 69 29 29 3b 0d 09 09 | 2a 28 61 2b 6a 2b 32 29 |+i));...|*(a+j+2)|
|00004c50| 20 3d 20 2a 28 66 69 6c | 74 67 2b 69 29 3b 0d 09 | = *(fil|tg+i);..|
|00004c60| 09 2a 28 61 2b 6a 2b 33 | 29 20 3d 20 30 2e 30 3b |.*(a+j+3|) = 0.0;|
|00004c70| 0d 09 09 2a 28 61 2b 6a | 2b 34 29 20 3d 20 34 2e |...*(a+j|+4) = 4.|
|00004c80| 30 3b 0d 09 09 6c 6a 20 | 3d 20 6a 20 2b 20 35 3b |0;...lj |= j + 5;|
|00004c90| 0d 09 09 6a 20 2b 3d 20 | 28 6c 6f 6e 67 29 20 2a |...j += |(long) *|
|00004ca0| 28 61 2b 6a 29 3b 0d 09 | 09 69 66 20 28 20 78 69 |(a+j);..|.if ( xi|
|00004cb0| 6e 69 74 20 3c 3d 20 30 | 2e 30 20 29 20 7b 0d 09 |nit <= 0|.0 ) {..|
|00004cc0| 09 09 66 6f 72 20 28 20 | 6e 20 3d 20 6c 6a 3b 20 |..for ( |n = lj; |
|00004cd0| 6e 20 3c 20 6a 3b 20 6e | 2b 2b 29 0d 09 09 09 09 |n < j; n|++).....|
|00004ce0| 2a 28 61 2b 6e 29 20 3d | 20 30 2e 30 3b 0d 09 09 |*(a+n) =| 0.0;...|
|00004cf0| 7d 0d 09 7d 0d 2f 2a 20 | 61 6c 70 61 73 73 20 2a |}..}./* |alpass *|
|00004d00| 2f 0d 09 2a 28 61 2b 6a | 29 20 3d 20 34 2e 30 20 |/..*(a+j|) = 4.0 |
|00004d10| 2b 20 28 6c 6f 6e 67 29 | 28 20 2a 28 64 65 6c 2b |+ (long)|( *(del+|
|00004d20| 69 29 20 2a 20 73 72 61 | 74 65 20 2b 20 30 2e 35 |i) * sra|te + 0.5|
|00004d30| 29 3b 0d 09 2a 28 61 2b | 6a 2b 31 29 20 3d 20 2a |);..*(a+|j+1) = *|
|00004d40| 28 66 69 6c 74 67 2b 69 | 29 3b 0d 09 2a 28 61 2b |(filtg+i|);..*(a+|
|00004d50| 6a 2b 32 29 20 3d 20 30 | 2e 30 3b 0d 09 2a 28 61 |j+2) = 0|.0;..*(a|
|00004d60| 2b 6a 2b 33 29 20 3d 20 | 30 2e 30 3b 0d 09 2a 28 |+j+3) = |0.0;..*(|
|00004d70| 61 2b 6a 2b 34 29 20 3d | 20 34 2e 30 3b 0d 09 6c |a+j+4) =| 4.0;..l|
|00004d80| 6a 20 3d 20 6a 20 2b 20 | 35 3b 0d 09 6a 20 2b 3d |j = j + |5;..j +=|
|00004d90| 20 28 6c 6f 6e 67 29 20 | 2a 28 61 2b 6a 29 3b 0d | (long) |*(a+j);.|
|00004da0| 09 69 66 20 28 20 78 69 | 6e 69 74 20 3c 3d 20 30 |.if ( xi|nit <= 0|
|00004db0| 2e 30 20 29 20 7b 0d 09 | 09 66 6f 72 20 28 20 6e |.0 ) {..|.for ( n|
|00004dc0| 20 3d 20 6c 6a 3b 20 6e | 20 3c 20 6a 3b 20 6e 2b | = lj; n| < j; n+|
|00004dd0| 2b 29 0d 09 09 09 2a 28 | 61 2b 6e 29 20 3d 20 30 |+)....*(|a+n) = 0|
|00004de0| 2e 30 3b 0d 09 7d 0d 7d | 0d 0d 64 6f 75 62 6c 65 |.0;..}.}|..double|
|00004df0| 20 72 65 76 65 72 62 32 | 28 78 69 6e 2c 20 61 29 | reverb2|(xin, a)|
|00004e00| 0d 09 64 6f 75 62 6c 65 | 20 78 69 6e 2c 20 2a 61 |..double| xin, *a|
|00004e10| 3b 0d 7b 0d 09 72 65 67 | 69 73 74 65 72 09 64 6f |;.{..reg|ister.do|
|00004e20| 75 62 6c 65 20 78 3b 0d | 09 72 65 67 69 73 74 65 |uble x;.|.registe|
|00004e30| 72 20 20 69 3b 0d 09 72 | 65 67 69 73 74 65 72 20 |r  i;..r|egister |
|00004e40| 20 6a 3b 0d 09 6a 20 3d | 20 30 3b 0d 09 78 20 3d | j;..j =| 0;..x =|
|00004e50| 20 30 2e 30 3b 0d 09 66 | 6f 72 20 28 20 69 20 3d | 0.0;..f|or ( i =|
|00004e60| 20 30 3b 20 69 20 3c 20 | 36 3b 20 69 2b 2b 20 29 | 0; i < |6; i++ )|
|00004e70| 20 7b 0d 2f 2a 09 09 2a | 28 61 2b 6a 2b 32 29 20 | {./*..*|(a+j+2) |
|00004e80| 3d 20 63 6f 6d 62 32 28 | 78 69 6e 2c 20 61 2b 6a |= comb2(|xin, a+j|
|00004e90| 29 20 2b 20 28 2a 28 61 | 2b 6a 2b 32 29 20 2a 20 |) + (*(a|+j+2) * |
|00004ea0| 2a 28 61 2b 6a 2b 31 29 | 29 3b 0d 09 09 78 20 2b |*(a+j+1)|);...x +|
|00004eb0| 3d 20 2a 28 61 2b 6a 2b | 32 29 3b 0d 2a 2f 0d 09 |= *(a+j+|2);.*/..|
|00004ec0| 09 78 20 2b 3d 20 63 6f | 6d 62 32 28 78 69 6e 2c |.x += co|mb2(xin,|
|00004ed0| 20 61 2b 6a 29 3b 0d 09 | 09 6a 20 2b 3d 20 28 6c | a+j);..|.j += (l|
|00004ee0| 6f 6e 67 29 20 2a 28 61 | 2b 6a 29 3b 0d 09 7d 0d |ong) *(a|+j);..}.|
|00004ef0| 09 72 65 74 75 72 6e 28 | 20 61 6c 70 61 73 73 32 |.return(| alpass2|
|00004f00| 28 78 2c 20 61 2b 6a 29 | 20 29 3b 0d 7d 0d 0d 64 |(x, a+j)| );.}..d|
|00004f10| 6f 75 62 6c 65 20 61 6c | 70 61 73 73 32 28 78 69 |ouble al|pass2(xi|
|00004f20| 6e 2c 20 61 29 0d 09 64 | 6f 75 62 6c 65 09 78 69 |n, a)..d|ouble.xi|
|00004f30| 6e 2c 20 2a 61 3b 0d 7b | 0d 09 72 65 67 69 73 74 |n, *a;.{|..regist|
|00004f40| 65 72 09 64 6f 75 62 6c | 65 20 78 20 3d 20 63 6f |er.doubl|e x = co|
|00004f50| 6d 62 32 28 78 69 6e 2c | 20 61 29 3b 0d 09 69 6e |mb2(xin,| a);..in|
|00004f60| 74 20 6c 3b 0d 09 69 66 | 20 28 20 2a 28 61 2b 34 |t l;..if| ( *(a+4|
|00004f70| 29 20 3e 3d 20 2a 61 29 | 0d 09 09 2a 28 61 2b 34 |) >= *a)|...*(a+4|
|00004f80| 29 20 3d 20 35 2e 30 3b | 0d 09 69 66 20 28 20 2a |) = 5.0;|..if ( *|
|00004f90| 28 61 2b 34 29 20 3e 3d | 20 2a 61 2d 31 2e 30 29 |(a+4) >=| *a-1.0)|
|00004fa0| 0d 09 09 3b 0d 09 6c 20 | 3d 20 28 6c 6f 6e 67 29 |...;..l |= (long)|
|00004fb0| 2a 28 61 2b 34 29 3b 0d | 09 72 65 74 75 72 6e 28 |*(a+4);.|.return(|
|00004fc0| 20 78 20 2d 20 2a 28 61 | 2b 31 29 20 2a 20 2a 28 | x - *(a|+1) * *(|
|00004fd0| 61 2b 6c 29 20 29 3b 0d | 7d 0d 0d 64 6f 75 62 6c |a+l) );.|}..doubl|
|00004fe0| 65 20 63 6f 6d 62 32 28 | 78 69 6e 2c 20 61 20 29 |e comb2(|xin, a )|
|00004ff0| 0d 09 64 6f 75 62 6c 65 | 09 78 69 6e 2c 20 2a 61 |..double|.xin, *a|
|00005000| 3b 0d 7b 0d 09 72 65 67 | 69 73 74 65 72 20 20 6b |;.{..reg|ister  k|
|00005010| 3b 0d 09 72 65 67 69 73 | 74 65 72 20 20 6c 3b 0d |;..regis|ter  l;.|
|00005020| 09 72 65 67 69 73 74 65 | 72 09 64 6f 75 62 6c 65 |.registe|r.double|
|00005030| 20 73 69 67 3b 0d 09 69 | 66 20 28 2a 28 61 2b 34 | sig;..i|f (*(a+4|
|00005040| 29 20 3c 20 28 20 2a 61 | 20 2d 20 32 2e 30 20 29 |) < ( *a| - 2.0 )|
|00005050| 20 29 20 7b 0d 09 09 2a | 28 61 2b 34 29 20 2b 3d | ) {...*|(a+4) +=|
|00005060| 20 31 2e 30 3b 0d 09 09 | 6c 20 3d 20 28 6c 6f 6e | 1.0;...|l = (lon|
|00005070| 67 29 20 2a 28 61 2b 34 | 29 3b 0d 09 09 6b 20 3d |g) *(a+4|);...k =|
|00005080| 20 6c 20 2b 20 31 3b 0d | 09 7d 0d 09 65 6c 73 65 | l + 1;.|.}..else|
|00005090| 20 69 66 20 28 20 2a 28 | 61 2b 34 29 20 3d 3d 20 | if ( *(|a+4) == |
|000050a0| 28 2a 61 20 2d 20 32 2e | 30 29 29 20 7b 0d 09 09 |(*a - 2.|0)) {...|
|000050b0| 2a 28 61 2b 34 29 20 2b | 3d 20 31 2e 30 3b 0d 09 |*(a+4) +|= 1.0;..|
|000050c0| 09 6c 20 3d 20 28 6c 6f | 6e 67 29 2a 28 61 2b 34 |.l = (lo|ng)*(a+4|
|000050d0| 29 3b 0d 09 09 6b 20 3d | 20 35 3b 0d 09 7d 0d 09 |);...k =| 5;..}..|
|000050e0| 65 6c 73 65 20 7b 0d 09 | 09 2a 28 61 2b 34 29 20 |else {..|.*(a+4) |
|000050f0| 3d 20 35 2e 30 3b 0d 09 | 09 6c 20 3d 20 35 3b 0d |= 5.0;..|.l = 5;.|
|00005100| 09 09 6b 20 3d 20 36 3b | 0d 09 7d 0d 09 73 69 67 |..k = 6;|..}..sig|
|00005110| 20 3d 20 2a 28 61 2b 6b | 29 3b 0d 09 2a 28 61 2b | = *(a+k|);..*(a+|
|00005120| 6c 29 20 3d 20 78 69 6e | 20 2b 20 28 20 2a 28 61 |l) = xin| + ( *(a|
|00005130| 2b 31 29 20 2a 20 28 2a | 28 61 2b 6b 29 20 2b 20 |+1) * (*|(a+k) + |
|00005140| 28 2a 28 61 2b 32 29 20 | 2a 20 2a 28 61 2b 6c 29 |(*(a+2) |* *(a+l)|
|00005150| 29 29 29 3b 0d 09 72 65 | 74 75 72 6e 28 73 69 67 |)));..re|turn(sig|
|00005160| 29 3b 0d 7d 0d 0d 0d 0d | 64 6f 75 62 6c 65 20 7a |);.}....|double z|
|00005170| 64 65 6c 61 79 28 73 69 | 67 69 6e 2c 20 64 65 6c |delay(si|gin, del|
|00005180| 61 79 5f 6c 65 6e 2c 20 | 62 75 66 6c 65 6e 2c 20 |ay_len, |buflen, |
|00005190| 62 75 66 2c 20 62 75 66 | 70 74 72 29 0d 09 64 6f |buf, buf|ptr)..do|
|000051a0| 75 62 6c 65 09 73 69 67 | 69 6e 2c 20 64 65 6c 61 |uble.sig|in, dela|
|000051b0| 79 5f 6c 65 6e 2c 20 2a | 62 75 66 2c 20 2a 62 75 |y_len, *|buf, *bu|
|000051c0| 66 70 74 72 3b 0d 09 69 | 6e 74 09 62 75 66 6c 65 |fptr;..i|nt.bufle|
|000051d0| 6e 3b 0d 7b 0d 09 72 65 | 67 69 73 74 65 72 20 20 |n;.{..re|gister  |
|000051e0| 69 3b 0d 09 72 65 67 69 | 73 74 65 72 20 20 6b 3b |i;..regi|ster  k;|
|000051f0| 0d 09 72 65 67 69 73 74 | 65 72 20 20 6a 3b 0d 09 |..regist|er  j;..|
|00005200| 72 65 67 69 73 74 65 72 | 09 64 6f 75 62 6c 65 09 |register|.double.|
|00005210| 64 65 6c 73 61 6d 70 3b | 0d 09 64 6f 75 62 6c 65 |delsamp;|..double|
|00005220| 09 66 72 61 63 3b 0d 09 | 72 65 67 69 73 74 65 72 |.frac;..|register|
|00005230| 09 64 6f 75 62 6c 65 09 | 74 65 6d 70 3b 0d 09 0d |.double.|temp;...|
|00005240| 2f 2a 20 66 69 72 73 74 | 2c 20 67 65 74 20 74 68 |/* first|, get th|
|00005250| 65 20 61 72 72 61 79 20 | 69 6e 64 65 78 20 2a 2f |e array |index */|
|00005260| 0d 09 6b 20 3d 20 28 69 | 6e 74 29 2a 62 75 66 70 |..k = (i|nt)*bufp|
|00005270| 74 72 3b 0d 09 0d 09 69 | 66 20 28 20 6b 20 3e 3d |tr;....i|f ( k >=|
|00005280| 20 62 75 66 6c 65 6e 29 | 20 7b 0d 09 09 6b 20 3d | buflen)| {...k =|
|00005290| 20 30 3b 0d 09 7d 0d 2f | 2a 20 73 74 75 66 66 20 | 0;..}./|* stuff |
|000052a0| 74 68 65 20 6e 65 77 20 | 73 61 6d 70 6c 65 20 69 |the new |sample i|
|000052b0| 6e 74 6f 20 74 68 65 20 | 62 75 66 66 65 72 20 2a |nto the |buffer *|
|000052c0| 2f 0d 09 2a 28 62 75 66 | 2b 6b 29 20 3d 20 73 69 |/..*(buf|+k) = si|
|000052d0| 67 69 6e 3b 0d 2f 2a 20 | 67 65 74 20 74 68 65 20 |gin;./* |get the |
|000052e0| 64 65 6c 61 79 65 64 20 | 73 61 6d 70 6c 65 27 73 |delayed |sample's|
|000052f0| 20 69 6e 64 65 78 2c 20 | 61 6e 64 20 63 68 65 63 | index, |and chec|
|00005300| 6b 20 69 74 27 73 20 77 | 69 74 68 69 6e 20 72 61 |k it's w|ithin ra|
|00005310| 6e 67 65 20 2a 2f 0d 09 | 64 65 6c 73 61 6d 70 20 |nge */..|delsamp |
|00005320| 3d 20 2a 62 75 66 70 74 | 72 20 2d 20 64 65 6c 61 |= *bufpt|r - dela|
|00005330| 79 5f 6c 65 6e 3b 0d 09 | 69 66 20 28 20 64 65 6c |y_len;..|if ( del|
|00005340| 73 61 6d 70 20 3c 20 30 | 2e 30 20 29 20 64 65 6c |samp < 0|.0 ) del|
|00005350| 73 61 6d 70 20 2b 3d 20 | 62 75 66 6c 65 6e 3b 0d |samp += |buflen;.|
|00005360| 09 69 66 20 28 20 64 65 | 6c 73 61 6d 70 20 3e 3d |.if ( de|lsamp >=|
|00005370| 20 62 75 66 6c 65 6e 20 | 29 20 64 65 6c 73 61 6d | buflen |) delsam|
|00005380| 70 20 2d 3d 20 62 75 66 | 6c 65 6e 3b 0d 2f 2a 20 |p -= buf|len;./* |
|00005390| 6f 6b 2c 20 69 6e 63 20 | 61 6e 64 20 63 68 65 63 |ok, inc |and chec|
|000053a0| 6b 20 6e 65 77 20 73 61 | 6d 70 6c 65 20 69 6e 64 |k new sa|mple ind|
|000053b0| 65 78 20 2a 2f 0d 09 28 | 2a 62 75 66 70 74 72 29 |ex */..(|*bufptr)|
|000053c0| 2b 2b 3b 0d 09 69 66 20 | 28 20 2a 62 75 66 70 74 |++;..if |( *bufpt|
|000053d0| 72 20 3e 3d 20 62 75 66 | 6c 65 6e 20 29 0d 09 09 |r >= buf|len )...|
|000053e0| 2a 62 75 66 70 74 72 20 | 3d 20 30 2e 30 3b 0d 2f |*bufptr |= 0.0;./|
|000053f0| 2a 20 67 65 74 20 69 6e | 74 65 67 65 72 20 69 6e |* get in|teger in|
|00005400| 64 69 63 65 73 2c 20 77 | 69 6c 6c 20 68 61 76 65 |dices, w|ill have|
|00005410| 20 74 6f 20 77 72 61 70 | 20 61 72 6f 75 6e 64 20 | to wrap| around |
|00005420| 69 66 20 69 20 69 73 20 | 61 74 20 65 6e 64 20 6f |if i is |at end o|
|00005430| 66 20 62 75 66 66 65 72 | 20 2a 2f 0d 09 69 20 3d |f buffer| */..i =|
|00005440| 20 28 69 6e 74 29 64 65 | 6c 73 61 6d 70 3b 0d 09 | (int)de|lsamp;..|
|00005450| 69 66 20 28 20 69 20 3c | 20 28 62 75 66 6c 65 6e |if ( i <| (buflen|
|00005460| 2d 31 29 20 29 0d 09 09 | 6a 20 3d 20 69 2b 31 3b |-1) )...|j = i+1;|
|00005470| 0d 09 65 6c 73 65 0d 09 | 09 6a 20 3d 20 30 3b 0d |..else..|.j = 0;.|
|00005480| 09 66 72 61 63 20 3d 20 | 64 65 6c 73 61 6d 70 20 |.frac = |delsamp |
|00005490| 2d 20 69 3b 0d 09 74 65 | 6d 70 20 3d 20 2a 28 62 |- i;..te|mp = *(b|
|000054a0| 75 66 2b 69 29 3b 0d 09 | 74 65 6d 70 20 2b 3d 20 |uf+i);..|temp += |
|000054b0| 28 28 2a 28 62 75 66 2b | 6a 29 20 2d 20 74 65 6d |((*(buf+|j) - tem|
|000054c0| 70 29 20 2a 20 66 72 61 | 63 20 29 3b 0d 09 72 65 |p) * fra|c );..re|
|000054d0| 74 75 72 6e 28 74 65 6d | 70 29 3b 0d 7d 0d 0d 64 |turn(tem|p);.}..d|
|000054e0| 6f 75 62 6c 65 20 73 64 | 65 6c 61 79 28 64 65 6c |ouble sd|elay(del|
|000054f0| 61 79 5f 6c 65 6e 2c 20 | 62 75 66 6c 65 6e 2c 20 |ay_len, |buflen, |
|00005500| 62 75 66 2c 20 62 75 66 | 70 74 72 29 0d 09 64 6f |buf, buf|ptr)..do|
|00005510| 75 62 6c 65 09 64 65 6c | 61 79 5f 6c 65 6e 2c 20 |uble.del|ay_len, |
|00005520| 2a 62 75 66 2c 20 2a 62 | 75 66 70 74 72 3b 0d 09 |*buf, *b|ufptr;..|
|00005530| 69 6e 74 09 62 75 66 6c | 65 6e 3b 0d 7b 0d 09 72 |int.bufl|en;.{..r|
|00005540| 65 67 69 73 74 65 72 20 | 20 69 3b 0d 09 72 65 67 |egister | i;..reg|
|00005550| 69 73 74 65 72 20 20 6a | 3b 0d 09 64 6f 75 62 6c |ister  j|;..doubl|
|00005560| 65 09 66 72 61 63 3b 0d | 09 72 65 67 69 73 74 65 |e.frac;.|.registe|
|00005570| 72 09 64 6f 75 62 6c 65 | 09 64 65 6c 73 61 6d 70 |r.double|.delsamp|
|00005580| 20 3d 20 2a 62 75 66 70 | 74 72 20 2d 20 64 65 6c | = *bufp|tr - del|
|00005590| 61 79 5f 6c 65 6e 3b 0d | 09 72 65 67 69 73 74 65 |ay_len;.|.registe|
|000055a0| 72 09 64 6f 75 62 6c 65 | 09 74 65 6d 70 3b 0d 09 |r.double|.temp;..|
|000055b0| 0d 09 69 66 20 28 20 64 | 65 6c 73 61 6d 70 20 3c |..if ( d|elsamp <|
|000055c0| 20 30 2e 30 20 29 20 64 | 65 6c 73 61 6d 70 20 2b | 0.0 ) d|elsamp +|
|000055d0| 3d 20 62 75 66 6c 65 6e | 3b 0d 09 69 66 20 28 20 |= buflen|;..if ( |
|000055e0| 64 65 6c 73 61 6d 70 20 | 3e 3d 20 62 75 66 6c 65 |delsamp |>= bufle|
|000055f0| 6e 20 29 20 64 65 6c 73 | 61 6d 70 20 2d 3d 20 62 |n ) dels|amp -= b|
|00005600| 75 66 6c 65 6e 3b 0d 09 | 69 20 3d 20 28 69 6e 74 |uflen;..|i = (int|
|00005610| 29 64 65 6c 73 61 6d 70 | 3b 0d 09 69 66 20 28 20 |)delsamp|;..if ( |
|00005620| 69 20 3c 20 28 62 75 66 | 6c 65 6e 2d 31 29 20 29 |i < (buf|len-1) )|
|00005630| 0d 09 09 6a 20 3d 20 69 | 2b 31 3b 0d 09 65 6c 73 |...j = i|+1;..els|
|00005640| 65 0d 09 09 6a 20 3d 20 | 30 3b 0d 09 66 72 61 63 |e...j = |0;..frac|
|00005650| 20 3d 20 64 65 6c 73 61 | 6d 70 20 2d 20 69 3b 0d | = delsa|mp - i;.|
|00005660| 09 74 65 6d 70 20 3d 20 | 2a 28 62 75 66 2b 69 29 |.temp = |*(buf+i)|
|00005670| 3b 0d 09 74 65 6d 70 20 | 2b 3d 20 28 28 2a 28 62 |;..temp |+= ((*(b|
|00005680| 75 66 2b 6a 29 20 2d 20 | 74 65 6d 70 29 20 2a 20 |uf+j) - |temp) * |
|00005690| 66 72 61 63 20 29 3b 0d | 09 72 65 74 75 72 6e 28 |frac );.|.return(|
|000056a0| 74 65 6d 70 29 3b 0d 7d | 0d 0d 0d 0d 0d 0d 72 65 |temp);.}|......re|
|000056b0| 61 64 5f 73 65 74 28 66 | 6e 61 6d 65 2c 20 62 75 |ad_set(f|name, bu|
|000056c0| 66 2c 20 62 75 66 6c 65 | 6e 2c 20 62 70 74 72 2c |f, bufle|n, bptr,|
|000056d0| 20 66 69 6c 64 65 73 29 | 0d 09 63 68 61 72 09 2a | fildes)|..char.*|
|000056e0| 66 6e 61 6d 65 3b 0d 09 | 66 6c 6f 61 74 09 62 75 |fname;..|float.bu|
|000056f0| 66 5b 5d 3b 0d 09 69 6e | 74 09 09 62 75 66 6c 65 |f[];..in|t..bufle|
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|00005710| 3b 0d 09 69 6e 74 09 09 | 2a 66 69 6c 64 65 73 3b |;..int..|*fildes;|
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|00005750| 2c 20 72 65 63 6e 6f 3b | 0d 0d 09 66 6f 72 20 28 |, recno;|...for (|
|00005760| 69 20 3d 20 30 3b 20 69 | 20 3c 20 62 75 66 6c 65 |i = 0; i| < bufle|
|00005770| 6e 3b 20 69 2b 2b 20 29 | 0d 09 09 2a 28 62 75 66 |n; i++ )|...*(buf|
|00005780| 2b 69 29 20 3d 20 30 2e | 30 3b 0d 0d 09 69 66 20 |+i) = 0.|0;...if |
|00005790| 28 28 2a 66 69 6c 64 65 | 73 20 3d 20 6f 70 65 6e |((*filde|s = open|
|000057a0| 28 66 6e 61 6d 65 2c 20 | 30 29 29 20 21 3d 20 2d |(fname, |0)) != -|
|000057b0| 31 29 20 7b 0d 09 09 72 | 65 63 6e 6f 20 3d 20 28 |1) {...r|ecno = (|
|000057c0| 69 6e 74 29 28 2a 62 70 | 74 72 20 2f 20 62 75 66 |int)(*bp|tr / buf|
|000057d0| 6c 65 6e 29 3b 0d 09 09 | 2a 62 70 74 72 20 2d 3d |len);...|*bptr -=|
|000057e0| 20 28 64 6f 75 62 6c 65 | 29 28 72 65 63 6e 6f 20 | (double|)(recno |
|000057f0| 2a 20 62 75 66 6c 65 6e | 29 3b 0d 09 09 6e 72 65 |* buflen|);...nre|
|00005800| 61 64 20 3d 20 30 3b 0d | 09 09 70 6f 73 20 3d 20 |ad = 0;.|..pos = |
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|00005820| 6c 6f 6e 67 29 28 72 65 | 63 6e 6f 2a 62 75 66 6c |long)(re|cno*bufl|
|00005830| 65 6e 2a 73 69 7a 65 6f | 66 28 66 6c 6f 61 74 29 |en*sizeo|f(float)|
|00005840| 29 2c 20 6e 72 65 61 64 | 29 3b 0d 09 09 69 66 20 |), nread|);...if |
|00005850| 28 20 28 6e 72 65 61 64 | 20 3d 20 72 65 61 64 28 |( (nread| = read(|
|00005860| 2a 66 69 6c 64 65 73 2c | 20 28 63 68 61 72 20 2a |*fildes,| (char *|
|00005870| 29 62 75 66 2c 20 28 75 | 6e 73 69 67 6e 65 64 29 |)buf, (u|nsigned)|
|00005880| 28 62 75 66 6c 65 6e 20 | 2a 20 73 69 7a 65 6f 66 |(buflen |* sizeof|
|00005890| 28 66 6c 6f 61 74 29 29 | 20 29 29 20 3d 3d 20 2d |(float))| )) == -|
|000058a0| 31 29 7b 0d 09 09 09 50 | 73 74 72 69 6e 67 43 6f |1){....P|stringCo|
|000058b0| 70 79 28 28 63 68 61 72 | 20 2a 29 74 68 65 4d 65 |py((char| *)theMe|
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|000058e0| 29 3b 0d 09 09 09 4f 53 | 45 72 72 6f 72 28 74 68 |);....OS|Error(th|
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|00005900| 45 72 72 29 3b 0d 09 09 | 7d 0d 09 7d 0d 09 65 6c |Err);...|}..}..el|
|00005910| 73 65 20 7b 0d 09 09 50 | 73 74 72 69 6e 67 43 6f |se {...P|stringCo|
|00005920| 70 79 28 28 63 68 61 72 | 20 2a 29 74 68 65 4d 65 |py((char| *)theMe|
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|00005940| 6f 20 6f 70 65 6e 20 73 | 6f 75 6e 64 20 66 69 6c |o open s|ound fil|
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|00005960| 68 65 4d 65 73 73 31 2c | 20 4e 49 4c 2c 20 74 68 |heMess1,| NIL, th|
|00005970| 65 45 72 72 29 3b 0d 09 | 7d 0d 7d 0d 0d 64 6f 75 |eErr);..|}.}..dou|
|00005980| 62 6c 65 09 72 65 61 64 | 73 66 69 28 66 69 6c 64 |ble.read|sfi(fild|
|00005990| 65 73 2c 20 73 69 2c 20 | 62 75 66 2c 20 62 75 66 |es, si, |buf, buf|
|000059a0| 6c 65 6e 2c 20 62 70 74 | 72 29 0d 09 69 6e 74 09 |len, bpt|r)..int.|
|000059b0| 66 69 6c 64 65 73 3b 0d | 09 69 6e 74 09 62 75 66 |fildes;.|.int.buf|
|000059c0| 6c 65 6e 3b 0d 09 64 6f | 75 62 6c 65 09 73 69 2c |len;..do|uble.si,|
|000059d0| 20 2a 62 70 74 72 3b 0d | 09 66 6c 6f 61 74 09 62 | *bptr;.|.float.b|
|000059e0| 75 66 5b 5d 3b 0d 7b 0d | 2f 2a 0d 2a 20 69 6e 74 |uf[];.{.|/*.* int|
|000059f0| 65 72 70 6f 6c 61 74 69 | 6e 67 20 73 6f 75 6e 64 |erpolati|ng sound|
|00005a00| 66 69 6c 65 20 72 65 61 | 64 2c 0d 2a 20 6e 65 67 |file rea|d,.* neg|
|00005a10| 61 74 69 76 65 20 61 6e | 64 20 66 72 61 63 74 69 |ative an|d fracti|
|00005a20| 6f 6e 61 6c 20 73 61 6d | 70 6c 65 20 69 6e 63 72 |onal sam|ple incr|
|00005a30| 65 6d 65 6e 74 73 20 61 | 72 65 20 61 63 63 6f 6d |ements a|re accom|
|00005a40| 6d 6f 64 61 74 65 64 2e | 20 0d 2a 2f 0d 09 72 65 |modated.| .*/..re|
|00005a50| 67 69 73 74 65 72 20 20 | 69 3b 0d 09 72 65 67 69 |gister  |i;..regi|
|00005a60| 73 74 65 72 20 20 6b 3b | 0d 09 64 6f 75 62 6c 65 |ster  k;|..double|
|00005a70| 09 66 72 61 63 3b 0d 09 | 64 6f 75 62 6c 65 09 6f |.frac;..|double.o|
|00005a80| 6c 64 73 61 6d 70 3b 0d | 09 6c 6f 6e 67 09 70 6f |ldsamp;.|.long.po|
|00005a90| 73 2c 20 6c 73 65 65 6b | 28 29 3b 0d 09 69 6e 74 |s, lseek|();..int|
|00005aa0| 09 09 6e 72 65 61 64 3b | 0d 09 69 6e 74 09 09 6e |..nread;|..int..n|
|00005ab0| 65 77 5f 72 65 61 64 3b | 0d 09 6c 6f 6e 67 09 72 |ew_read;|..long.r|
|00005ac0| 65 63 6c 65 6e 20 3d 20 | 62 75 66 6c 65 6e 20 2a |eclen = |buflen *|
|00005ad0| 20 73 69 7a 65 6f 66 28 | 66 6c 6f 61 74 29 3b 0d | sizeof(|float);.|
|00005ae0| 0d 09 6e 65 77 5f 72 65 | 61 64 20 3d 20 30 3b 0d |..new_re|ad = 0;.|
|00005af0| 2f 2a 20 65 6e 73 75 72 | 65 20 2a 62 70 74 72 20 |/* ensur|e *bptr |
|00005b00| 70 6f 69 6e 74 73 20 74 | 6f 20 73 6f 6d 65 77 68 |points t|o somewh|
|00005b10| 65 72 65 20 77 69 74 68 | 69 6e 20 74 68 65 20 63 |ere with|in the c|
|00005b20| 75 72 72 65 6e 74 20 72 | 65 63 6f 72 64 20 2a 2f |urrent r|ecord */|
|00005b30| 0d 09 69 66 20 28 20 2a | 62 70 74 72 20 3c 20 2d |..if ( *|bptr < -|
|00005b40| 72 65 63 6c 65 6e 20 29 | 20 7b 0d 09 09 2a 62 70 |reclen )| {...*bp|
|00005b50| 74 72 20 2b 3d 20 73 69 | 3b 0d 09 09 72 65 74 75 |tr += si|;...retu|
|00005b60| 72 6e 28 30 2e 30 29 3b | 0d 09 7d 0d 09 77 68 69 |rn(0.0);|..}..whi|
|00005b70| 6c 65 20 28 20 2a 62 70 | 74 72 20 3c 20 30 2e 30 |le ( *bp|tr < 0.0|
|00005b80| 20 29 20 7b 0d 09 09 70 | 6f 73 20 3d 20 6c 73 65 | ) {...p|os = lse|
|00005b90| 65 6b 28 66 69 6c 64 65 | 73 2c 20 2d 72 65 63 6c |ek(filde|s, -recl|
|00005ba0| 65 6e 2c 20 31 20 29 3b | 0d 09 09 2a 62 70 74 72 |en, 1 );|...*bptr|
|00005bb0| 20 2b 3d 20 62 75 66 6c | 65 6e 3b 0d 09 09 6e 65 | += bufl|en;...ne|
|00005bc0| 77 5f 72 65 61 64 20 3d | 20 2d 31 3b 0d 09 7d 0d |w_read =| -1;..}.|
|00005bd0| 09 77 68 69 6c 65 20 28 | 20 2a 62 70 74 72 20 3e |.while (| *bptr >|
|00005be0| 3d 20 62 75 66 6c 65 6e | 20 29 20 7b 0d 09 09 2a |= buflen| ) {...*|
|00005bf0| 62 70 74 72 20 2d 3d 20 | 62 75 66 6c 65 6e 3b 0d |bptr -= |buflen;.|
|00005c00| 09 09 6e 65 77 5f 72 65 | 61 64 20 3d 20 31 3b 0d |..new_re|ad = 1;.|
|00005c10| 09 09 69 66 20 28 20 2a | 62 70 74 72 20 3e 3d 20 |..if ( *|bptr >= |
|00005c20| 62 75 66 6c 65 6e 20 29 | 0d 09 09 09 70 6f 73 20 |buflen )|....pos |
|00005c30| 3d 20 6c 73 65 65 6b 28 | 66 69 6c 64 65 73 2c 20 |= lseek(|fildes, |
|00005c40| 72 65 63 6c 65 6e 2c 20 | 31 20 29 3b 0d 09 7d 0d |reclen, |1 );..}.|
|00005c50| 09 69 66 20 28 20 6e 65 | 77 5f 72 65 61 64 20 3d |.if ( ne|w_read =|
|00005c60| 3d 20 2d 31 29 20 7b 0d | 09 09 70 6f 73 20 3d 20 |= -1) {.|..pos = |
|00005c70| 6c 73 65 65 6b 28 66 69 | 6c 64 65 73 2c 20 2d 72 |lseek(fi|ldes, -r|
|00005c80| 65 63 6c 65 6e 2c 20 31 | 20 29 3b 0d 09 09 69 66 |eclen, 1| );...if|
|00005c90| 20 28 20 70 6f 73 20 3c | 20 30 20 29 20 7b 0d 09 | ( pos <| 0 ) {..|
|00005ca0| 09 09 2a 62 70 74 72 20 | 2b 3d 20 73 69 3b 0d 09 |..*bptr |+= si;..|
|00005cb0| 09 09 66 6f 72 20 28 69 | 20 3d 20 30 3b 20 69 20 |..for (i| = 0; i |
|00005cc0| 3c 20 62 75 66 6c 65 6e | 3b 20 69 2b 2b 20 29 0d |< buflen|; i++ ).|
|00005cd0| 09 09 09 09 2a 28 62 75 | 66 2b 69 29 20 3d 20 30 |....*(bu|f+i) = 0|
|00005ce0| 2e 30 3b 0d 09 09 09 72 | 65 74 75 72 6e 28 30 2e |.0;....r|eturn(0.|
|00005cf0| 30 29 3b 0d 09 09 7d 0d | 09 09 69 66 20 28 28 6e |0);...}.|..if ((n|
|00005d00| 72 65 61 64 20 3d 20 72 | 65 61 64 28 66 69 6c 64 |read = r|ead(fild|
|00005d10| 65 73 2c 20 28 63 68 61 | 72 20 2a 29 62 75 66 2c |es, (cha|r *)buf,|
|00005d20| 20 28 75 6e 73 69 67 6e | 65 64 29 72 65 63 6c 65 | (unsign|ed)recle|
|00005d30| 6e 29 29 20 3d 3d 20 2d | 31 29 20 7b 0d 09 09 09 |n)) == -|1) {....|
|00005d40| 70 65 72 72 6f 72 28 22 | 72 65 61 64 20 66 61 69 |perror("|read fai|
|00005d50| 6c 65 64 20 69 6e 20 72 | 65 61 64 73 66 69 20 28 |led in r|eadsfi (|
|00005d60| 6e 65 77 5f 72 65 61 64 | 20 3d 20 2d 31 29 22 29 |new_read| = -1)")|
|00005d70| 3b 0d 09 09 09 72 65 74 | 75 72 6e 28 30 2e 30 29 |;....ret|urn(0.0)|
|00005d80| 3b 0d 09 09 7d 0d 09 7d | 0d 09 65 6c 73 65 20 69 |;...}..}|..else i|
|00005d90| 66 20 28 20 6e 65 77 5f | 72 65 61 64 20 3d 3d 20 |f ( new_|read == |
|00005da0| 31 29 20 7b 0d 09 09 69 | 66 20 28 20 28 6e 72 65 |1) {...i|f ( (nre|
|00005db0| 61 64 20 3d 20 72 65 61 | 64 28 66 69 6c 64 65 73 |ad = rea|d(fildes|
|00005dc0| 2c 20 28 63 68 61 72 20 | 2a 29 62 75 66 2c 20 28 |, (char |*)buf, (|
|00005dd0| 75 6e 73 69 67 6e 65 64 | 29 72 65 63 6c 65 6e 29 |unsigned|)reclen)|
|00005de0| 29 20 3d 3d 20 2d 31 20 | 29 20 7b 0d 09 09 09 70 |) == -1 |) {....p|
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|00005e20| 09 09 09 72 65 74 75 72 | 6e 28 30 2e 30 29 3b 0d |...retur|n(0.0);.|
|00005e30| 09 09 7d 0d 09 09 69 66 | 20 28 20 6e 72 65 61 64 |..}...if| ( nread|
|00005e40| 20 3c 20 28 69 6e 74 29 | 72 65 63 6c 65 6e 20 29 | < (int)|reclen )|
|00005e50| 20 7b 20 0d 09 09 09 66 | 6f 72 20 28 20 69 20 3d | { ....f|or ( i =|
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|00005e70| 65 6f 66 28 66 6c 6f 61 | 74 29 29 3b 20 69 20 3c |eof(floa|t)); i <|
|00005e80| 20 62 75 66 6c 65 6e 3b | 20 69 2b 2b 20 29 20 7b | buflen;| i++ ) {|
|00005e90| 0d 09 09 09 09 2a 28 62 | 75 66 2b 69 29 20 3d 20 |.....*(b|uf+i) = |
|00005ea0| 30 2e 30 3b 0d 09 09 09 | 7d 0d 09 09 7d 0d 09 7d |0.0;....|}...}..}|
|00005eb0| 0d 0d 09 2f 2a 20 6e 6f | 77 20 63 68 65 63 6b 20 |.../* no|w check |
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|00006020| 09 09 09 70 65 72 72 6f | 72 28 22 72 65 61 64 20 |...perro|r("read |
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|00006070| 66 20 28 20 6e 72 65 61 | 64 20 3c 20 28 69 6e 74 |f ( nrea|d < (int|
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|000060f0| 64 73 61 6d 70 20 2b 20 | 28 20 28 2a 28 62 75 66 |dsamp + |( (*(buf|
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|00006140| 62 75 66 6c 65 6e 2c 20 | 62 70 74 72 2c 20 6d 79 |buflen, |bptr, my|
|00006150| 50 42 6c 6b 50 74 72 2c | 20 53 61 6d 70 50 74 72 |PBlkPtr,| SampPtr|
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|00006190| 3b 0d 09 64 6f 75 62 6c | 65 09 2a 62 70 74 72 2c |;..doubl|e.*bptr,|
|000061a0| 20 2a 53 61 6d 70 50 74 | 72 3b 0d 09 6c 6f 6e 67 | *SampPt|r;..long|
|000061b0| 09 2a 53 74 61 72 74 53 | 61 6d 70 2c 20 2a 45 6e |.*StartS|amp, *En|
|000061c0| 64 53 61 6d 70 3b 0d 09 | 50 61 72 6d 42 6c 6b 50 |dSamp;..|ParmBlkP|
|000061d0| 74 72 09 09 6d 79 50 42 | 6c 6b 50 74 72 3b 0d 7b |tr..myPB|lkPtr;.{|
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|00006210| 67 69 73 74 65 72 09 69 | 3b 0d 09 6c 6f 6e 67 09 |gister.i|;..long.|
|00006220| 6e 42 79 74 65 73 3b 0d | 09 66 6c 6f 61 74 09 2a |nBytes;.|.float.*|
|00006230| 66 70 74 72 31 2c 20 2a | 66 70 74 72 32 3b 0d 09 |fptr1, *|fptr2;..|
|00006240| 64 6f 75 62 6c 65 09 2a | 64 70 74 72 3b 0d 09 6c |double.*|dptr;..l|
|00006250| 6f 6e 67 09 6e 53 61 6d | 70 73 3b 0d 09 6c 6f 6e |ong.nSam|ps;..lon|
|00006260| 67 09 74 68 65 4c 61 73 | 74 53 61 6d 70 3b 0d 09 |g.theLas|tSamp;..|
|00006270| 6c 6f 6e 67 09 6e 72 65 | 63 73 3b 0d 09 0d 09 66 |long.nre|cs;....f|
|00006280| 70 74 72 31 20 3d 20 28 | 66 6c 6f 61 74 20 2a 29 |ptr1 = (|float *)|
|00006290| 4e 65 77 50 74 72 28 62 | 75 66 6c 65 6e 20 2a 20 |NewPtr(b|uflen * |
|000062a0| 73 69 7a 65 6f 66 28 66 | 6c 6f 61 74 29 20 29 3b |sizeof(f|loat) );|
|000062b0| 0d 09 69 66 20 28 20 66 | 70 74 72 31 20 3d 3d 20 |..if ( f|ptr1 == |
|000062c0| 4e 49 4c 20 29 20 7b 0d | 09 09 50 73 74 72 69 6e |NIL ) {.|..Pstrin|
|000062d0| 67 43 6f 70 79 28 28 63 | 68 61 72 20 2a 29 74 68 |gCopy((c|har *)th|
|000062e0| 65 4d 65 73 73 31 2c 20 | 22 5c 70 4e 6f 74 20 65 |eMess1, |"\pNot e|
|000062f0| 6e 6f 75 67 68 20 6d 65 | 6d 6f 72 79 20 69 6e 20 |nough me|mory in |
|00006300| 4d 41 43 72 65 61 64 5f | 73 65 74 22 29 3b 0d 09 |MACread_|set");..|
|00006310| 09 4f 53 45 72 72 6f 72 | 28 74 68 65 4d 65 73 73 |.OSError|(theMess|
|00006320| 31 2c 20 4e 49 4c 2c 20 | 74 68 65 45 72 72 29 3b |1, NIL, |theErr);|
|00006330| 0d 09 7d 0d 09 66 6f 72 | 20 28 69 20 3d 20 30 2c |..}..for| (i = 0,|
|00006340| 20 64 70 74 72 20 3d 20 | 62 75 66 3b 20 69 20 3c | dptr = |buf; i <|
|00006350| 20 62 75 66 6c 65 6e 3b | 20 69 2b 2b 20 29 0d 09 | buflen;| i++ )..|
|00006360| 20 2a 64 70 74 72 2b 2b | 20 3d 20 30 2e 30 3b 0d | *dptr++| = 0.0;.|
|00006370| 09 66 6f 72 20 28 69 20 | 3d 20 30 2c 20 66 70 74 |.for (i |= 0, fpt|
|00006380| 72 32 20 3d 20 66 70 74 | 72 31 3b 20 69 20 3c 20 |r2 = fpt|r1; i < |
|00006390| 62 75 66 6c 65 6e 3b 20 | 69 2b 2b 20 29 0d 09 20 |buflen; |i++ ).. |
|000063a0| 2a 66 70 74 72 32 2b 2b | 20 3d 20 30 2e 30 3b 0d |*fptr2++| = 0.0;.|
|000063b0| 0d 0d 2f 2a 20 53 74 61 | 72 74 53 61 6d 70 20 70 |../* Sta|rtSamp p|
|000063c0| 6f 69 6e 74 73 20 74 6f | 20 74 68 65 20 61 63 74 |oints to| the act|
|000063d0| 75 61 6c 20 73 61 6d 70 | 6c 65 20 6e 75 6d 62 65 |ual samp|le numbe|
|000063e0| 72 20 2a 2f 0d 09 6d 79 | 50 42 6c 6b 50 74 72 2d |r */..my|PBlkPtr-|
|000063f0| 3e 69 6f 50 61 72 61 6d | 2e 69 6f 50 6f 73 4d 6f |>ioParam|.ioPosMo|
+--------+-------------------------+-------------------------+--------+--------+