From 84231a000a4f06e34efa0d3700377dd3cc447e0b Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Thu, 4 Oct 2012 22:24:37 +0000
Subject: took FFTease2.5_Pd_OSX.zip and unpacked it into a Library Template
 layout

original source:
http://www.somasa.qub.ac.uk/~elyon/LyonSoftware/MaxMSP/FFTease/FFTease2.5_Pd_OSX.zip


svn path=/trunk/externals/fftease/; revision=16331
---
 leanconvert.c | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 leanconvert.c

(limited to 'leanconvert.c')

diff --git a/leanconvert.c b/leanconvert.c
new file mode 100644
index 0000000..617c665
--- /dev/null
+++ b/leanconvert.c
@@ -0,0 +1 @@
+#include "fftease.h"

void leanconvert( float *S, float *C, int N2 )

{

 int		real, imag,
		amp, phase;
 float		a, b;
  int		i;
	double hypot(), atan2();
	
 for ( i = 0; i <= N2; i++ ) {
   imag = phase = ( real = amp = i<<1 ) + 1;
   a = ( i == N2 ? S[1] : S[real] );
   b = ( i == 0 || i == N2 ? 0. : S[imag] );
   C[amp] = hypot( a, b );
   C[phase] = -atan2( b, a );
 }
}

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