Developer CD Series 1998 April: Mac OS SDK

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Text File | 1998-02-12 | 36.7 KB | 1,403 lines | [TEXT/MPS ]

; ; File: fp.a ; ; Contains: FPCE Floating-Point Definitions and Declarations. ; ; Version: Technology: MathLib v2 ; Release: Universal Interfaces 3.1 ; ; Copyright: © 1987-1998 by Apple Computer, Inc., all rights reserved. ; ; Bugs?: Please include the the file and version information (from above) with ; the problem description. Developers belonging to one of the Apple ; developer programs can submit bug reports to: ; ; devsupport@apple.com ; ; IF &TYPE('__FP__') = 'UNDEFINED' THEN __FP__ SET 1 IF &TYPE('__CONDITIONALMACROS__') = 'UNDEFINED' THEN include 'ConditionalMacros.a' ENDIF IF &TYPE('__MACTYPES__') = 'UNDEFINED' THEN include 'MacTypes.a' ENDIF ; ******************************************************************************** ;* * ;* A collection of numerical functions designed to facilitate a wide * ;* range of numerical programming as required by C9X. * ;* * ;* The <fp.h> declares many functions in support of numerical programming. * ;* It provides a superset of <math.h> and <SANE.h> functions. Some * ;* functionality previously found in <SANE.h> and not in the FPCE <fp.h> * ;* can be found in this <fp.h> under the heading "__NOEXTENSIONS__". * ;* * ;* All of these functions are IEEE 754 aware and treat exceptions, NaNs, * ;* positive and negative zero and infinity consistent with the floating- * ;* point standard. * ;* * ;******************************************************************************* ; ******************************************************************************** ;* * ;* Efficient types * ;* * ;* float_t Most efficient type at least as wide as float * ;* double_t Most efficient type at least as wide as double * ;* * ;* CPU float_t(bits) double_t(bits) * ;* -------- ----------------- ----------------- * ;* PowerPC float(32) double(64) * ;* 68K long double(80/96) long double(80/96) * ;* x86 long double(80) long double(80) * ;* * ;******************************************************************************* IF TARGET_CPU_PPC THEN ; typedef float float_t ; typedef double double_t ELSEIF TARGET_CPU_68K THEN ; typedef long double float_t ; typedef long double double_t ELSEIF TARGET_CPU_X86 THEN IF NeXT THEN ; typedef double float_t ; typedef double double_t ELSE ; typedef long double float_t ; typedef long double double_t ENDIF ; NeXT ELSEIF TARGET_CPU_MIPS THEN ; typedef double float_t ; typedef double double_t ELSEIF TARGET_CPU_ALPHA THEN ; typedef double float_t ; typedef double double_t ELSEIF TARGET_CPU_SPARC THEN ; typedef double float_t ; typedef double double_t ELSE ENDIF ; TARGET_CPU_SPARC ; ******************************************************************************** ;* * ;* Define some constants. * ;* * ;* HUGE_VAL IEEE 754 value of infinity. * ;* INFINITY IEEE 754 value of infinity. * ;* NAN A generic NaN (Not A Number). * ;* DECIMAL_DIG Satisfies the constraint that the conversion from * ;* double to decimal and back is the identity function. * ;* * ;******************************************************************************* IF TARGET_OS_MAC THEN ; ******************************************************************************** ;* * ;* Trigonometric functions * ;* * ;* acos result is in [0,pi]. * ;* asin result is in [-pi/2,pi/2]. * ;* atan result is in [-pi/2,pi/2]. * ;* atan2 Computes the arc tangent of y/x in [-pi,pi] using the sign of * ;* both arguments to determine the quadrant of the computed value. * ;* * ;******************************************************************************* ; ; extern double_t cos(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION cos ENDIF ; ; extern double_t sin(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION sin ENDIF ; ; extern double_t tan(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION tan ENDIF ; ; extern double_t acos(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION acos ENDIF ; ; extern double_t asin(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION asin ENDIF ; ; extern double_t atan(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION atan ENDIF ; ; extern double_t atan2(double_t y, double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION atan2 ENDIF ; ******************************************************************************** ;* * ;* Hyperbolic functions * ;* * ;******************************************************************************* ; ; extern double_t cosh(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION cosh ENDIF ; ; extern double_t sinh(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION sinh ENDIF ; ; extern double_t tanh(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION tanh ENDIF ; ; extern double_t acosh(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION acosh ENDIF ; ; extern double_t asinh(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION asinh ENDIF ; ; extern double_t atanh(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION atanh ENDIF ; ******************************************************************************** ;* * ;* Exponential functions * ;* * ;* expm1 expm1(x) = exp(x) - 1. But, for small enough arguments, * ;* expm1(x) is expected to be more accurate than exp(x) - 1. * ;* frexp Breaks a floating-point number into a normalized fraction * ;* and an integral power of 2. It stores the integer in the * ;* object pointed by *exponent. * ;* ldexp Multiplies a floating-point number by an integer power of 2. * ;* log1p log1p = log(1 + x). But, for small enough arguments, * ;* log1p is expected to be more accurate than log(1 + x). * ;* logb Extracts the exponent of its argument, as a signed integral * ;* value. A subnormal argument is treated as though it were first * ;* normalized. Thus: * ;* 1 <= x * 2^(-logb(x)) < 2 * ;* modf Returns fractional part of x as function result and returns * ;* integral part of x via iptr. Note C9X uses double not double_t. * ;* scalb Computes x * 2^n efficently. This is not normally done by * ;* computing 2^n explicitly. * ;* * ;******************************************************************************* ; ; extern double_t exp(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION exp ENDIF ; ; extern double_t expm1(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION expm1 ENDIF ; ; extern double_t exp2(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION exp2 ENDIF ; ; extern double_t frexp(double_t x, int *exponent) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION frexp ENDIF ; ; extern double_t ldexp(double_t x, int n) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION ldexp ENDIF ; ; extern double_t log(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log ENDIF ; ; extern double_t log2(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log2 ENDIF ; ; extern double_t log1p(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log1p ENDIF ; ; extern double_t log10(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log10 ENDIF ; ; extern double_t logb(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION logb ENDIF ; ; extern double_t modf(double_t x, double_t *iptr) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION modf ENDIF ; ; extern float modff(float x, float *iptrf) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION modff ENDIF ; ; extern double_t scalb(double_t x, long n) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION scalb ENDIF ; ******************************************************************************** ;* * ;* Power and absolute value functions * ;* * ;* hypot Computes the square root of the sum of the squares of its * ;* arguments, without undue overflow or underflow. * ;* pow Returns x raised to the power of y. Result is more accurate * ;* than using exp(log(x)*y). * ;* * ;******************************************************************************* ; ; extern double_t fabs(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fabs ENDIF ; ; extern double_t hypot(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION hypot ENDIF ; ; extern double_t pow(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION pow ENDIF ; ; extern double_t sqrt(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION sqrt ENDIF ; ******************************************************************************** ;* * ;* Gamma and Error functions * ;* * ;* erf The error function. * ;* erfc Complementary error function. * ;* gamma The gamma function. * ;* lgamma Computes the base-e logarithm of the absolute value of * ;* gamma of its argument x, for x > 0. * ;* * ;******************************************************************************* ; ; extern double_t erf(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION erf ENDIF ; ; extern double_t erfc(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION erfc ENDIF ; ; extern double_t gamma(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION gamma ENDIF ; ; extern double_t lgamma(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION lgamma ENDIF ; ******************************************************************************** ;* * ;* Nearest integer functions * ;* * ;* rint Rounds its argument to an integral value in floating point * ;* format, honoring the current rounding direction. * ;* * ;* nearbyint Differs from rint only in that it does not raise the inexact * ;* exception. It is the nearbyint function recommended by the * ;* IEEE floating-point standard 854. * ;* * ;* rinttol Rounds its argument to the nearest long int using the current * ;* rounding direction. NOTE: if the rounded value is outside * ;* the range of long int, then the result is undefined. * ;* * ;* round Rounds the argument to the nearest integral value in floating * ;* point format similar to the Fortran "anint" function. That is: * ;* add half to the magnitude and chop. * ;* * ;* roundtol Similar to the Fortran function nint or to the Pascal round. * ;* NOTE: if the rounded value is outside the range of long int, * ;* then the result is undefined. * ;* * ;* trunc Computes the integral value, in floating format, nearest to * ;* but no larger in magnitude than its argument. NOTE: on 68K * ;* compilers when using -elems881, trunc must return an int * ;* * ;******************************************************************************* ; ; extern double_t ceil(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION ceil ENDIF ; ; extern double_t floor(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION floor ENDIF ; ; extern double_t rint(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION rint ENDIF ; ; extern double_t nearbyint(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION nearbyint ENDIF ; ; extern long rinttol(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION rinttol ENDIF ; ; extern double_t round(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION round ENDIF ; ; extern long roundtol(double_t round) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION roundtol ENDIF IF TARGET_CPU_68K THEN ; ; extern int trunc(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION trunc ENDIF ELSE ; ; extern double_t trunc(double_t x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION trunc ENDIF ENDIF ; TARGET_CPU_68K ; ******************************************************************************** ;* * ;* Remainder functions * ;* * ;* remainder IEEE 754 floating point standard for remainder. * ;* remquo SANE remainder. It stores into 'quotient' the 7 low-order * ;* bits of the integer quotient x/y, such that: * ;* -127 <= quotient <= 127. * ;* * ;******************************************************************************* ; ; extern double_t fmod(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fmod ENDIF ; ; extern double_t remainder(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION remainder ENDIF ; ; extern double_t remquo(double_t x, double_t y, int *quo) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION remquo ENDIF ; ******************************************************************************** ;* * ;* Auxiliary functions * ;* * ;* copysign Produces a value with the magnitude of its first argument * ;* and sign of its second argument. NOTE: the order of the * ;* arguments matches the recommendation of the IEEE 754 * ;* floating point standard, which is opposite from the SANE * ;* copysign function. * ;* * ;* nan The call 'nan("n-char-sequence")' returns a quiet NaN * ;* with content indicated through tagp in the selected * ;* data type format. * ;* * ;* nextafter Computes the next representable value after 'x' in the * ;* direction of 'y'. if x == y, then y is returned. * ;* * ;******************************************************************************* ; ; extern double_t copysign(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION copysign ENDIF ; ; extern double nan(const char *tagp) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION nan ENDIF ; ; extern float nanf(const char *tagp) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION nanf ENDIF ; ; extern double nextafterd(double x, double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION nextafterd ENDIF ; ; extern float nextafterf(float x, float y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION nextafterf ENDIF ; ******************************************************************************** ;* * ;* Inquiry macros * ;* * ;* fpclassify Returns one of the FP_≈ values. * ;* isnormal Non-zero if and only if the argument x is normalized. * ;* isfinite Non-zero if and only if the argument x is finite. * ;* isnan Non-zero if and only if the argument x is a NaN. * ;* signbit Non-zero if and only if the sign of the argument x is * ;* negative. This includes, NaNs, infinities and zeros. * ;* * ;******************************************************************************* FP_SNAN EQU 0 ; signaling NaN FP_QNAN EQU 1 ; quiet NaN FP_INFINITE EQU 2 ; + or - infinity FP_ZERO EQU 3 ; + or - zero FP_NORMAL EQU 4 ; all normal numbers FP_SUBNORMAL EQU 5 ; denormal numbers ; ; extern long __fpclassifyd(double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __fpclassifyd ENDIF ; ; extern long __fpclassifyf(float x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __fpclassifyf ENDIF ; ; extern long __isnormald(double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __isnormald ENDIF ; ; extern long __isnormalf(float x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __isnormalf ENDIF ; ; extern long __isfinited(double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __isfinited ENDIF ; ; extern long __isfinitef(float x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __isfinitef ENDIF ; ; extern long __isnand(double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __isnand ENDIF ; ; extern long __isnanf(float x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __isnanf ENDIF ; ; extern long __signbitd(double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __signbitd ENDIF ; ; extern long __signbitf(float x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __signbitf ENDIF ; ; extern double_t __inf(void ) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION __inf ENDIF ; ******************************************************************************** ;* * ;* Max, Min and Positive Difference * ;* * ;* fdim Determines the 'positive difference' between its arguments: * ;* { x - y, if x > y }, { +0, if x <= y }. If one argument is * ;* NaN, then fdim returns that NaN. if both arguments are NaNs, * ;* then fdim returns the first argument. * ;* * ;* fmax Returns the maximum of the two arguments. Corresponds to the * ;* max function in FORTRAN. NaN arguments are treated as missing * ;* data. If one argument is NaN and the other is a number, then * ;* the number is returned. If both are NaNs then the first * ;* argument is returned. * ;* * ;* fmin Returns the minimum of the two arguments. Corresponds to the * ;* min function in FORTRAN. NaN arguments are treated as missing * ;* data. If one argument is NaN and the other is a number, then * ;* the number is returned. If both are NaNs then the first * ;* argument is returned. * ;* * ;******************************************************************************* ; ; extern double_t fdim(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fdim ENDIF ; ; extern double_t fmax(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fmax ENDIF ; ; extern double_t fmin(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fmin ENDIF ; ******************************************************************************* ;* Constants * ;****************************************************************************** ; ******************************************************************************** ;* * ;* Non NCEG extensions * ;* * ;******************************************************************************* IF &TYPE('__NOEXTENSIONS__') = 'UNDEFINED' THEN ; ******************************************************************************** ;* * ;* Financial functions * ;* * ;* compound Computes the compound interest factor "(1 + rate)^periods" * ;* more accurately than the straightforward computation with * ;* the Power function. This is SANE's compound function. * ;* * ;* annuity Computes the present value factor for an annuity * ;* "(1 - (1 + rate)^(-periods)) /rate" more accurately than * ;* the straightforward computation with the Power function. * ;* This is SANE's annuity function. * ;* * ;******************************************************************************* ; ; extern double_t compound(double_t rate, double_t periods) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION compound ENDIF ; ; extern double_t annuity(double_t rate, double_t periods) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION annuity ENDIF ; ******************************************************************************** ;* * ;* Random function * ;* * ;* randomx A pseudorandom number generator. It uses the iteration: * ;* (75*x)mod(2^31-1) * ;* * ;******************************************************************************* ; ; extern double_t randomx(double_t *x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION randomx ENDIF ; ******************************************************************************* ;* Relational operator * ;****************************************************************************** ; relational operator ; typedef short relop GREATERTHAN EQU 0 LESSTHAN EQU 1 EQUALTO EQU 2 UNORDERED EQU 3 ; ; extern relop relation(double_t x, double_t y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION relation ENDIF ; ******************************************************************************** ;* * ;* Binary to decimal conversions * ;* * ;* SIGDIGLEN Significant decimal digits. * ;* * ;* decimal A record which provides an intermediate unpacked form for * ;* programmers who wish to do their own parsing of numeric input * ;* or formatting of numeric output. * ;* * ;* decform Controls each conversion to a decimal string. The style field * ;* is either FLOATDECIMAL or FIXEDDECIMAL. If FLOATDECIMAL, the * ;* value of the field digits is the number of significant digits. * ;* If FIXEDDECIMAL value of the field digits is the number of * ;* digits to the right of the decimal point. * ;* * ;* num2dec Converts a double_t to a decimal record using a decform. * ;* dec2num Converts a decimal record d to a double_t value. * ;* dec2str Converts a decform and decimal to a string using a decform. * ;* str2dec Converts a string to a decimal struct. * ;* dec2d Similar to dec2num except a double is returned (68k only). * ;* dec2f Similar to dec2num except a float is returned. * ;* dec2s Similar to dec2num except a short is returned. * ;* dec2l Similar to dec2num except a long is returned. * ;* * ;******************************************************************************* IF TARGET_CPU_PPC THEN SIGDIGLEN EQU 36 ELSE SIGDIGLEN EQU 20 ENDIF ; TARGET_CPU_PPC DECSTROUTLEN EQU 80 ; max length for dec2str output decimal RECORD 0 sgn ds.b 1 ; offset: $0 (0) ; sign 0 for +, 1 for - unused ds.b 1 ; offset: $1 (1) exp ds.w 1 ; offset: $2 (2) ; decimal exponent sig ds.b SIGDIGLEN+2 ; offset: $4 (4) ; significant digits (pascal string) sizeof EQU * ; size: $1A (26) or $2A (42) ENDR decform RECORD 0 style ds.b 1 ; offset: $0 (0) ; FLOATDECIMAL or FIXEDDECIMAL unused ds.b 1 ; offset: $1 (1) digits ds.w 1 ; offset: $2 (2) sizeof EQU * ; size: $4 (4) ENDR ; ; extern void num2dec(const decform *f, double_t x, decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION num2dec ENDIF ; ; extern double_t dec2num(const decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2num ENDIF ; ; extern void dec2str(const decform *f, const decimal *d, char *s) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2str ENDIF ; ; extern void str2dec(const char *s, short *ix, decimal *d, short *vp) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION str2dec ENDIF IF TARGET_CPU_68K THEN ; ; extern double dec2d(const decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2d ENDIF ENDIF ; TARGET_CPU_68K ; ; extern float dec2f(const decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2f ENDIF ; ; extern short dec2s(const decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2s ENDIF ; ; extern long dec2l(const decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2l ENDIF ; ******************************************************************************** ;* * ;* 68k-only Transfer Function Prototypes * ;* * ;******************************************************************************* IF TARGET_CPU_68K THEN IF TARGET_RT_MAC_68881 THEN ; ; extern void x96tox80(const extended96 *x, extended80 *x80) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x96tox80 ENDIF ; ; extern void x80tox96(const extended80 *x80, extended96 *x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x80tox96 ENDIF ELSE ; ; extern void x96tox80(const extended96 *x96, extended80 *x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x96tox80 ENDIF ; ; extern void x80tox96(const extended80 *x, extended96 *x96) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x80tox96 ENDIF ENDIF ; TARGET_RT_MAC_68881 ENDIF ; TARGET_CPU_68K ENDIF ; ******************************************************************************** ;* * ;* PowerPC-only Function Prototypes * ;* * ;******************************************************************************* IF TARGET_CPU_PPC THEN ; ; extern long double cosl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION cosl ENDIF ; ; extern long double sinl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION sinl ENDIF ; ; extern long double tanl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION tanl ENDIF ; ; extern long double acosl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION acosl ENDIF ; ; extern long double asinl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION asinl ENDIF ; ; extern long double atanl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION atanl ENDIF ; ; extern long double atan2l(long double y, long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION atan2l ENDIF ; ; extern long double coshl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION coshl ENDIF ; ; extern long double sinhl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION sinhl ENDIF ; ; extern long double tanhl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION tanhl ENDIF ; ; extern long double acoshl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION acoshl ENDIF ; ; extern long double asinhl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION asinhl ENDIF ; ; extern long double atanhl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION atanhl ENDIF ; ; extern long double expl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION expl ENDIF ; ; extern long double expm1l(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION expm1l ENDIF ; ; extern long double exp2l(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION exp2l ENDIF ; ; extern long double frexpl(long double x, int *exponent) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION frexpl ENDIF ; ; extern long double ldexpl(long double x, int n) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION ldexpl ENDIF ; ; extern long double logl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION logl ENDIF ; ; extern long double log1pl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log1pl ENDIF ; ; extern long double log10l(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log10l ENDIF ; ; extern long double log2l(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION log2l ENDIF ; ; extern long double logbl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION logbl ENDIF ; ; extern long double scalbl(long double x, long n) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION scalbl ENDIF ; ; extern long double fabsl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fabsl ENDIF ; ; extern long double hypotl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION hypotl ENDIF ; ; extern long double powl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION powl ENDIF ; ; extern long double sqrtl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION sqrtl ENDIF ; ; extern long double erfl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION erfl ENDIF ; ; extern long double erfcl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION erfcl ENDIF ; ; extern long double gammal(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION gammal ENDIF ; ; extern long double lgammal(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION lgammal ENDIF ; ; extern long double ceill(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION ceill ENDIF ; ; extern long double floorl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION floorl ENDIF ; ; extern long double rintl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION rintl ENDIF ; ; extern long double nearbyintl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION nearbyintl ENDIF ; ; extern long rinttoll(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION rinttoll ENDIF ; ; extern long double roundl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION roundl ENDIF ; ; extern long roundtoll(long double round) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION roundtoll ENDIF ; ; extern long double truncl(long double x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION truncl ENDIF ; ; extern long double remainderl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION remainderl ENDIF ; ; extern long double remquol(long double x, long double y, int *quo) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION remquol ENDIF ; ; extern long double copysignl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION copysignl ENDIF ; ; extern long double fdiml(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fdiml ENDIF ; ; extern long double fmaxl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fmaxl ENDIF ; ; extern long double fminl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION fminl ENDIF IF &TYPE('__NOEXTENSIONS__') = 'UNDEFINED' THEN ; ; extern relop relationl(long double x, long double y) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION relationl ENDIF ; ; extern void num2decl(const decform *f, long double x, decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION num2decl ENDIF ; ; extern long double dec2numl(const decimal *d) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dec2numl ENDIF ; ; MathLib v2 has two new transfer functions: x80tod and dtox80. They can ; be used to directly transform 68k 80-bit extended data types to double ; and back for PowerPC based machines without using the functions ; x80told or ldtox80. Double rounding may occur. ; ; ; extern void x80told(const extended80 *x80, long double *x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x80told ENDIF ; ; extern void ldtox80(const long double *x, extended80 *x80) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION ldtox80 ENDIF ; ; extern double x80tod(const extended80 *x80) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x80tod ENDIF ; ; extern void dtox80(const double *x, extended80 *x80) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION dtox80 ENDIF ENDIF ENDIF ; TARGET_CPU_PPC ELSE ; ; Non-Mac platforms may have long doubles. ; ; ; extern void x80told(const extended80 *x80, long double *x) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION x80told ENDIF ; ; extern void ldtox80(const long double *x, extended80 *x80) ; IF TARGET_OS_MAC ** TARGET_RT_MAC_CFM THEN IMPORT_CFM_FUNCTION ldtox80 ENDIF ENDIF ; TARGET_OS_MAC ENDIF ; __FP__