comparison plugins/MFCCPlugin.cpp @ 75:a99c43f470a5

* oh dear.  fix some off-by-one errors leading to using uninitialised
values in chromagram, constant-q, and mfcc calculations.

     }
 
     double *real = new double[m_block];
     double *imag = new double[m_block];
 
-    for (size_t i = 0; i < m_block/2; ++i) {
+    for (size_t i = 0; i <= m_block/2; ++i) {
 	real[i] = inputBuffers[0][i*2];
 	if (i > 0) real[m_block - i] = real[i];
         imag[i] = inputBuffers[0][i*2+1];
         if (i > 0) imag[m_block - i] = imag[i];
     }