1 files changed, 0 insertions, 23 deletions
diff --git a/externals/grill/fftease/src/leanunconvert.c b/externals/grill/fftease/src/leanunconvert.c
deleted file mode 100644
index f8575168..00000000
--- a/externals/grill/fftease/src/leanunconvert.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include "pv.h"
-
-/* unconvert essentially undoes what convert does, i.e., it
-  turns N2+1 PAIRS of amplitude and frequency values in
-  C into N2 PAIR of complex spectrum data (in rfft format)
-  in output array S; sampling rate R and interpolation factor
-  I are used to recompute phase values from frequencies */
-
-void leanunconvert( float *C, float *S, int N2 )
-{
-  int		real, imag,
-		amp, phase;
-  float		a, b;
-  register int		i;
-  
-  for ( i = 0; i <= N2; i++ ) {
-    imag = phase = ( real = amp = i<<1 ) + 1;
-    S[real] = *(C+amp) * cos( *(C+phase) );
-    if ( i != N2 )
-      S[imag] = -*(C+amp) * sin( *(C+phase) );
-  }
-}
-