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use new functions in fft_org

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This commit is contained in:
Jörg Thalheim 2015-03-03 08:19:48 +01:00
parent 907005f752
commit c6ee251c46
2 changed files with 5 additions and 5 deletions
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8
fft-org.c
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@ -117,8 +117,8 @@ int fix_fft_org(fixed fr[], fixed fi[], int m, int inverse)
{ {
j = m << k; j = m << k;
/* 0 <= j < N_WAVE/2 */ /* 0 <= j < N_WAVE/2 */
wr = Sinewave[j+N_WAVE/4]; wr = Sinewave_org[j+N_WAVE/4];
wi = -Sinewave[j]; wi = -Sinewave_org[j];
if(inverse) wi = -wi; if(inverse) wi = -wi;
if(shift) if(shift)
@ -130,8 +130,8 @@ int fix_fft_org(fixed fr[], fixed fi[], int m, int inverse)
{ {
j = i + l; j = i + l;
tr = fix_mpy(wr,fr[j]) - fix_mpy(wi,fi[j]); tr = fix_mpy_org(wr,fr[j]) - fix_mpy_org(wi,fi[j]);
ti = fix_mpy(wr,fi[j]) + fix_mpy(wi,fr[j]); ti = fix_mpy_org(wr,fi[j]) + fix_mpy_org(wi,fr[j]);
qr = fr[i]; qr = fr[i];
qi = fi[i]; qi = fi[i];

2
fft-org.h
View File

@ -21,4 +21,4 @@ extern fixed Sinewave_org[N_WAVE];
fixed fix_mpy_org(fixed a, fixed b); fixed fix_mpy_org(fixed a, fixed b);
int fix_fft_org(fixed *fr, fixed *fi, int m, int inverse); int fix_fft_org(fixed *fr, fixed *fi, int m, int inverse);
#endif //FFT_H #endif //FFT_H