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- ;**************************************************************
- ;
- ; $sin64.asm
- ;
- ; staff
- ;
- ; 03-25-88
- ;
- ; (C) Texas Instruments Inc., 1992
- ;
- ; Refer to the file 'license.txt' included with this
- ; this package for usage and license information.
- ;
- ;**************************************************************
- Example 36. Table with twiddle factors for a 64-point FFT
- *
- * File to be linked with the source code for a 64-point, radix-2 FFT.
- *
-
- .globl SINE
- .globl N
- .globl M
-
- N .set 64
- M .set 6
-
- .data
-
- SINE
- .float 0.000000
- .float 0.098017
- .float 0.195090
- .float 0.290285
- .float 0.382683
- .float 0.471397
- .float 0.555570
- .float 0.634393
- .float 0.707107
- .float 0.773010
- .float 0.831470
- .float 0.881921
- .float 0.923880
- .float 0.956940
- .float 0.980785
- .float 0.995185
- COSINE
- .float 1.000000
- .float 0.995185
- .float 0.980785
- .float 0.956940
- .float 0.923880
- .float 0.881921
- .float 0.831470
- .float 0.773010
- .float 0.707107
- .float 0.634393
- .float 0.555570
- .float 0.471397
- .float 0.382683
- .float 0.290285
- .float 0.195090
- .float 0.098017
- .float 0.000000
- .float -0.098017
- .float -0.195090
- .float -0.290285
- .float -0.382683
- .float -0.471397
- .float -0.555570
- .float -0.634393
- .float -0.707107
- .float -0.773010
- .float -0.831470
- .float -0.881921
- .float -0.923880
- .float -0.956940
- .float -0.980785
- .float -0.995185
- .float -1.000000
- .float -0.995185
- .float -0.980785
- .float -0.956940
- .float -0.923880
- .float -0.881921
- .float -0.831470
- .float -0.773010
- .float -0.707107
- .float -0.634393
- .float -0.555570
- .float -0.471397
- .float -0.382683
- .float -0.290285
- .float -0.195090
- .float -0.098017
- .float 0.000000
- .float 0.098017
- .float 0.195090
- .float 0.290285
- .float 0.382683
- .float 0.471397
- .float 0.555570
- .float 0.634393
- .float 0.707107
- .float 0.773010
- .float 0.831470
- .float 0.881921
- .float 0.923880
- .float 0.956940
- .float 0.980785
- .float 0.995185