#include <iostream>
  #include "wavdata.h"
  #include "fft.h"
  #include <math.h>
  
  #define FREQ 48000
  #define AMPLITUDE 10
  #define FREQDO 261
  #define FREQLA	440
  #define SIZE FREQ*10
  
  
  int main(int argc, char **argv)
  {
  	float pi=3.141592;
  	WavData w;
  	
  	char *data = new char[SIZE];
  	char *data2 = new char[SIZE];
  
      int i;
  	for(i=0;i<SIZE;i++){
  		float w=2.0*3.14*FREQLA;
  		float t=(float)i/FREQ;
  
  		data[i]=AMPLITUDE*(1+sin(w*t));
      }
  
  	
  	w.setAudioFormat(1);
  	w.setNbrChanel(1);
  	w.setFrequency(FREQ);
  	w.setBytePerBloc(4);
  	w.setBytePerSec(FREQ);
  	w.setBitsPerSample(8);
  	w.clearData();
  	
  	w.setDatasize(SIZE);
  	w.setData(data);
  	w.save("purla.WAV");
  
  }