complex.cpp

用快速傅立叶变换做的快速卷积,计算速度快.

#include "Complex.h"
#include <math.h>
#include <stdio.h>

Complex complexAdd(Complex c1,Complex c2){
      Complex c3;
	  c3.real = c1.real + c2.real;
      c3.imag = c1.imag + c2.imag;
      return c3;
}


Complex complexDec(Complex c1,Complex c2){
      Complex c3;
	  c3.real = c1.real - c2.real;
      c3.imag = c1.imag - c2.imag;
      return c3;
}
Complex complexEE(Complex c1,Complex c2){
	  Complex c3;
      c3.real = c1.real * c2.real - c1.imag * c2.imag;
      c3.imag = c1.real * c2.imag + c1.imag * c2.real;
      return c3;

}
Complex complexRC(double f,Complex c){
	
	  Complex c3 ;
      c3.real = c.real * f ;
      c3.imag = c.imag *f;
      return c3;

}

Complex complexG(Complex c1){
	  Complex c3 ;
      c3.real = c1.real ;
      c3.imag = -c1.imag ;
      return c3; 

}

void show(Complex c){
     //cout<<c.real<<" + ("<<c.imag<<" )"<<endl;
	printf("%f %s %f %s\n",c.real," +(",c.imag," )");
}