diff options
Diffstat (limited to 'externals/grill/fftease/src/unconvert.c')
-rw-r--r-- | externals/grill/fftease/src/unconvert.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/externals/grill/fftease/src/unconvert.c b/externals/grill/fftease/src/unconvert.c deleted file mode 100644 index 54bb6ca1..00000000 --- a/externals/grill/fftease/src/unconvert.c +++ /dev/null @@ -1,36 +0,0 @@ -#include "pv.h" - - - -void unconvert(float *C, float *S, int N2, float *lastphase, float fundamental, float factor ) -{ - int i, - real, - imag, - amp, - freq; - float mag, - phase; - - for ( i = 0; i <= N2; i++ ) { - - imag = freq = ( real = amp = i<<1 ) + 1; - - if ( i == N2 ) - real = 1; - - mag = C[amp]; - lastphase[i] += C[freq] - i*fundamental; - phase = lastphase[i]*factor; - S[real] = mag*cos( phase ); - - if ( i != N2 ) - S[imag] = -mag*sin( phase ); - /* - if( i == 10 ) { - fprintf(stderr,"unconvert: amp: %f freq: %f funda %f fac %f\n", C[amp],C[freq],fundamental,factor); - } - */ - } - -} |