complex.cpp

能够读取wav格式的音频文件

// complex.cpp: implementation of the Ccomplex class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "complex.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

Ccomplex::Ccomplex(double re,double im)
{this->real=re;
 this->image=im;
}

void Ccomplex::set(double re,double im)
{this->real=re;
 this->image=im;
}
/*
void Ccomplex ::show(void)
{if(real!=0)
	{//std::cout<<real;
	 if(image>0)
		;//std::cout<<'+'<<image<<'i'<<std::endl;
	 else if(image<0)
		;//std::cout<<image<<'i'<<std::endl;
	 else 
		;//std::cout<<std::endl;
	}
 else
	{if(image==0)
		;//std::cout<<'0'<<std::endl;
	 else
		;//std::cout<<image<<'i'<<std::endl;
	}
}
*/
double Ccomplex ::getreal(void)
{return this->real;}

double Ccomplex ::getimage(void)
{return this->image;}

Ccomplex  Ccomplex ::conjugate(void)
{Ccomplex  c(0,0);
 //c.real=real;
 //c.image=-image;
	c.set(this->real,-(this->image));
 return c;
}

Ccomplex  Ccomplex ::operator+(Ccomplex  &b)
{Ccomplex  c(0,0);
 //c.real=real+b.getreal();
 //c.image=image+b.getimage();
	c.set(this->real+b.getreal(),this->image+b.getimage());
 return c;
}

Ccomplex  Ccomplex ::operator-(Ccomplex  &b)
{Ccomplex  c(0,0);
 //c.real=real-b.getreal();
 //c.image=image-b.getimage();
	c.set(this->real-b.getreal(),this->image-b.getimage());
 return c;
}

Ccomplex  Ccomplex ::operator*(Ccomplex  &b)
{Ccomplex  c(0,0);
 //c.real=real*b.getreal()-image*b.getimage();
 //c.image=image*b.getreal()+real*b.getimage();
	c.set(this->real*b.getreal()-this->image*b.getimage(),this->image*b.getreal()+this->real*b.getimage());
 return c;
}

Ccomplex  Ccomplex ::operator*(double b)
{Ccomplex  c(0,0);
 //c.real=real*b;
 //c.image=image*b;
	c.set(this->real*b,this->real*b);
 return c;
}

Ccomplex  Ccomplex ::operator/(Ccomplex  &b)
{double temp=b.getreal()*b.getreal()+b.getimage()*b.getimage();
 Ccomplex  c(0,0);
 if(temp==0)
 {AfxMessageBox("除数为0，错误!");
  c.set(0,0);
  exit(-2);
 }
 else
 {//c.real=(real*b.getreal()+image*b.getimage())/temp;
  //c.image=(image*b.getreal()-real*b.getimage())/temp;
	 c.set((this->real*b.getreal()+this->image*b.getimage())/temp,(this->image*b.getreal()-this->real*b.getimage())/temp);
 }
 return c;
}

Ccomplex  Ccomplex ::operator/(double b)
{Ccomplex c(0,0);
 if(b==0)
 {AfxMessageBox("除数为0，错误!");
  exit(-2);
 }
 else
 {//c.real=real/b;
  //c.image=image/b;
	 c.set(this->real/b,this->image/b);
 }
 return c;
}