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OS/2 Shareware BBS: 10 Tools
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10-Tools.zip
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cset21v1.zip
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IBMCPP
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INCLUDE
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COMPLEX.H
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1993-09-17
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#pragma info( none )
#ifndef __CHKHDR__
#pragma info( none )
#endif
#pragma info( restore )
#ifndef __complex_h
#define __complex_h
/********************************************************************/
/* <complex.h> header file */
/* */
/* Licensed Materials - Property of IBM */
/* */
/* IBM C/C++ Tools Version 2.01 */
/* Copyright (C) International Business Machines Corp., 1991, 1993.*/
/* All rights reserved */
/* */
/* */
/* */
/* Licensed Materials - Property of USL */
/* */
/* Standard Class Library Version 3.0 */
/* Copyright (C) Unix System Laboratories Inc. 1991. */
/* All rights reserved */
/* */
/********************************************************************/
/**************************************************************************/
/* C++ source for the C++ Language System, Release 3.0. This product */
/* is a new release of the original cfront developed in the computer */
/* science research center of AT&T Bell Laboratories. */
/* */
/* Copyright (c) 1991 AT&T and UNIX System Laboratories, Inc. */
/* Copyright (c) 1984, 1989, 1990 AT&T. All Rights Reserved. */
/* */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE of AT&T and UNIX System */
/* Laboratories, Inc. The copyright notice above does not evidence */
/* any actual or intended publication of such source code. */
/* */
/* UNIX is a registered trademark of UNIX System Laboratories, Inc. */
/* */
/* ident "@(#)C++env:incl-master/const-headers/complex.h 1.2" */
/**************************************************************************/
#include <iostream.h>
#include <errno.h>
#include <math.h>
#pragma pack(4)
#ifndef DOMAIN
#define DOMAIN 1
#endif
#ifndef SING
#define SING 2
#endif
#ifndef OVERFLOW
#define OVERFLOW 3
#endif
#ifndef UNDERFLOW
#define UNDERFLOW 4
#endif
#ifndef TLOSS
#define TLOSS 5
#endif
#ifndef PLOSS
#define PLOSS 6
#endif
#ifndef M_E
#define M_E 2.7182818284590452354
#endif
#ifndef M_LOG2E
#define M_LOG2E 1.4426950408889634074
#endif
#ifndef M_LOG10E
#define M_LOG10E 0.43429448190325182765
#endif
#ifndef M_LN2
#define M_LN2 0.69314718055994530942
#endif
#ifndef M_LN10
#define M_LN10 2.30258509299404568402
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
#ifndef M_PI_4
#define M_PI_4 0.78539816339744830962
#endif
#ifndef M_1_PI
#define M_1_PI 0.31830988618379067154
#endif
#ifndef M_2_PI
#define M_2_PI 0.63661977236758134308
#endif
#ifndef M_2_SQRTPI
#define M_2_SQRTPI 1.12837916709551257390
#endif
#ifndef M_SQRT2
#define M_SQRT2 1.41421356237309504880
#endif
#ifndef M_SQRT1_2
#define M_SQRT1_2 0.70710678118654752440
#endif
class complex {
double re, im;
public:
complex() { re=0.0; im=0.0; }
complex(double r, double i = 0.0) { re=r; im=i; }
friend inline double real(const complex&);
friend inline double imag(const complex&);
friend double abs(complex);
friend double norm(complex);
friend double arg(complex);
friend inline complex conj(complex);
friend complex cos(complex);
friend complex cosh(complex);
friend complex exp(complex);
friend complex log(complex);
friend complex pow(double, complex);
friend complex pow(complex, int);
friend complex pow(complex, double);
friend complex pow(complex, complex);
friend complex polar(double, double = 0);
friend complex sin(complex);
friend complex sinh(complex);
friend complex sqrt(complex);
friend inline complex operator+(complex, complex);
friend inline complex operator-(complex);
friend inline complex operator-(complex, complex);
friend complex operator*(complex, complex);
friend complex operator/(complex, complex);
friend inline int operator==(complex, complex);
friend inline int operator!=(complex, complex);
void operator+=(complex);
void operator-=(complex);
void operator*=(complex);
void operator/=(complex);
};
ostream& operator<<(ostream&, complex);
istream& operator>>(istream&, complex&);
inline double real(const complex& a)
{
return a.re;
}
inline double imag(const complex& a)
{
return a.im;
}
inline complex operator+(complex a1, complex a2)
{
return complex(a1.re+a2.re, a1.im+a2.im);
}
inline complex operator-(complex a1,complex a2)
{
return complex(a1.re-a2.re, a1.im-a2.im);
}
inline complex operator-(complex a)
{
return complex(-a.re, -a.im);
}
inline complex conj(complex a)
{
return complex(a.re, -a.im);
}
inline int operator==(complex a, complex b)
{
return (a.re==b.re && a.im==b.im);
}
inline int operator!=(complex a, complex b)
{
return (a.re!=b.re || a.im!=b.im);
}
inline void complex::operator+=(complex a)
{
re += a.re;
im += a.im;
}
inline void complex::operator-=(complex a)
{
re -= a.re;
im -= a.im;
}
extern const complex complex_zero;
class c_exception
{
int type;
char *name;
complex arg1;
complex arg2;
complex retval;
public:
c_exception( char *n, const complex& a1, const complex& a2 = complex_zero )
: name(n), arg1(a1), arg2(a2), type(0) { }
friend int complex_error( c_exception& );
friend complex exp( complex );
friend complex sinh( complex );
friend complex cosh( complex );
friend complex log( complex );
};
#pragma pack()
#endif
#pragma info( none )
#ifndef __CHKHDR__
#pragma info( restore )
#endif
#pragma info( restore )