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Add global pi constant as define

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Andreas Beeck
2019-04-12 10:49:00 +02:00
parent 36dbc05760
commit b59132b60f
3 changed files with 6 additions and 3 deletions
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2
tools/kiss_fftr.c
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@ -50,7 +50,7 @@ kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenme
for (i = 0; i < nfft/2; ++i) {
double phase =
-3.14159265358979323846264338327 * ((double) (i+1) / nfft + .5);
-kiss_fft_pi * ((double) (i+1) / nfft + .5);
if (inverse_fft)
phase *= -1;
kf_cexp (st->super_twiddles+i,phase);