Mercurial > hg > vamp-tempogram

diff WindowFunction.cpp @ 11:09fb76606b2b

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* Removed many unnecessary heap allocations with objects
author Carl Bussey <c.bussey@se10.qmul.ac.uk>
date Wed, 13 Aug 2014 10:45:46 +0100
parents be59b4a73f49
children 7680cc4c0073
line wrap: on
line diff
--- a/WindowFunction.cpp	Tue Aug 12 14:40:37 2014 +0100
+++ b/WindowFunction.cpp	Wed Aug 13 10:45:46 2014 +0100
@@ -11,15 +11,16 @@
 
 //static function
 void
-WindowFunction::hanning(float *signal, const unsigned int N, const bool normalise){
+WindowFunction::hanning(float *window, const unsigned int N, const bool normalise){
     
     float sum = 0;
     for(int i = 0; i < N; i++){
-        sum += signal[i] = 0.5*(1-cos((float)2*M_PI*i/N));
+        window[i] = 0.5*(1-cos((float)2*M_PI*i/N));
+        sum += window[i];
     }
     if (normalise){
         for(int i = 0; i < N; i++){
-            signal[i] /= sum;
+            window[i] /= sum;
         }
     }
 }
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