complex.h

一款工程FFT的计算

/***
*Complex.h - The declaration of complex library operation.
*
*Purpose:
*	This file offer declaration the complex library operation.
*	Add, Sub, Mul, Div, Expj, etc...
*
*Copyright:
*	Modified by Jianlan Liu
*	2006-01-08 18:05
*	All rights reserved.
*
*Environment:
*	Editor - SourceInsight 3.5
*	Edit font - Consolas - 12
*	Tab width - 4
*	Compiler - Turbo C 2.0
****/

#ifndef COMPLEX_H
#define	COMPLEX_H

#include "Common.h"

typedef struct{		/* Complex structure */
	double real;	/* Real part */
	double img;		/* Imaginary part */
}COMPLEX;	/* 8+8 = 16 bytes */

void Cplx_Add(COMPLEX *dst, COMPLEX *src);
void Cplx_Sud(COMPLEX *dst, COMPLEX *src);
void Cplx_Mul(COMPLEX *dst, COMPLEX *src);
void Cplx_Div(COMPLEX *dst, COMPLEX *src);
void Cplx_Div2(COMPLEX *dst, double src_real);
void Cplx_Expj(COMPLEX *dst, double img_b);
double Cplx_Mod(COMPLEX *src);
void Cplx_Eva2(COMPLEX *dst, double real, double img);
void Cplx_Eva2(COMPLEX *dst, double real, double img);

#endif /* COMPLEX_H */