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Add global pi constant as define

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This commit is contained in:
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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3
kiss_fft.c
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@ -349,8 +349,7 @@ kiss_fft_cfg kiss_fft_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem
st->inverse = inverse_fft;
for (i=0;i<nfft;++i) {
const double pi=3.141592653589793238462643383279502884197169399375105820974944;
double phase = -2*pi*i / nfft;
double phase = -2*kiss_fft_pi*i / nfft;
if (st->inverse)
phase *= -1;
kf_cexp(st->twiddles+i, phase );