diff options
| author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2012-10-05 17:34:11 +0000 |
|---|---|---|
| committer | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2012-10-05 17:34:11 +0000 |
| commit | 12e3edcb11b61334afac46183a79ec51124c5302 (patch) | |
| tree | 479b9abe7b11f5544e4f409f55aaea3ffa75e833 /lib/fold.c | |
| parent | 40ccbedc15f45a3b1a00c2942b95e5244d3424a2 (diff) | |
remove lib/ folder with duplicate source files
svn path=/trunk/externals/fftease/; revision=16340
Diffstat (limited to 'lib/fold.c')
| -rw-r--r-- | lib/fold.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/lib/fold.c b/lib/fold.c deleted file mode 100644 index 0523d28..0000000 --- a/lib/fold.c +++ /dev/null @@ -1 +0,0 @@ -#include "fftease.h"
/*
* multiply current input I by window W (both of length Nw);
* using modulus arithmetic, fold and rotate windowed input
* into output array O of (FFT) length N according to current
* input time n
*/
void fold( float *I, float *W, int Nw, float *O, int N, int n )
{
int i;
for ( i = 0; i < N; i++ )
O[i] = 0.;
while ( n < 0 )
n += N;
n %= N;
for ( i = 0; i < Nw; i++ ) {
O[n] += I[i]*W[i];
if ( ++n == N )
n = 0;
}
}
\ No newline at end of file |