comparison Source/.svn/text-base/FFT.h.svn-base @ 0:25bf17994ef1

First commit. VS2013, Codeblocks and Mac OSX configuration

+/*
+  ==============================================================================
+
+    FFT.h
+    Created: 11 Aug 2014 11:18:53am
+    Author:  mickael.legoff
+
+  ==============================================================================
+*/
+
+#ifndef FFT_H_INCLUDED
+#define FFT_H_INCLUDED
+
+#include "FFTW.h"
+
+
+template < typename FFTImpl >
+class FastFourierTransform
+{
+
+public:
+  FastFourierTransform();
+  FastFourierTransform( unsigned fftLength )
+  : m_fft_impl( fftLength )
+  {
+
+	  m_realPart = new float[fftLength];
+	  m_imagPart = new float[fftLength];
+
+	  memset(m_realPart, 0, (fftLength)*sizeof(float));
+	  memset(m_imagPart, 0, (fftLength)*sizeof(float));
+  }
+
+  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+  ~FastFourierTransform()
+  {
+	  if(m_realPart != NULL)
+	  {		
+		delete[] m_realPart;
+		m_realPart = nullptr;
+	  }
+
+	  if(m_imagPart != NULL)
+	  {
+		delete[] m_imagPart;
+		m_imagPart = nullptr;
+	  }
+  }
+
+  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+  void   process( const float* input )   { m_fft_impl.process( input , m_realPart , m_imagPart ); }
+
+  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+  const float *  realPart()      { return m_realPart; }
+  const float *  imagPart()      { return m_imagPart; }
+
+private:
+
+  float*  m_realPart;
+  float*  m_imagPart;
+
+  FFTImpl   m_fft_impl;
+
+};
+
+
+typedef   FastFourierTransform<FFTW>  FFT;
+
+
+#endif  // FFT_H_INCLUDED