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Diffstat (limited to 'gnu/lib/libg++/include/Complex.h')
| -rw-r--r-- | gnu/lib/libg++/include/Complex.h | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/gnu/lib/libg++/include/Complex.h b/gnu/lib/libg++/include/Complex.h deleted file mode 100644 index 128227bc3cc52..0000000000000 --- a/gnu/lib/libg++/include/Complex.h +++ /dev/null @@ -1,249 +0,0 @@ -// This may look like C code, but it is really -*- C++ -*- -/* -Copyright (C) 1988 Free Software Foundation - written by Doug Lea (dl@rocky.oswego.edu) - -This file is part of the GNU C++ Library. This library is free -software; you can redistribute it and/or modify it under the terms of -the GNU Library General Public License as published by the Free -Software Foundation; either version 2 of the License, or (at your -option) any later version. This library is distributed in the hope -that it will be useful, but WITHOUT ANY WARRANTY; without even the -implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR -PURPOSE. See the GNU Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with this library; if not, write to the Free Software -Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#ifndef _Complex_h -#ifdef __GNUG__ -#pragma interface -#endif -#define _Complex_h 1 - - -#include <iostream.h> -#include <math.h> - -class Complex -{ -#ifdef __ATT_complex__ -public: -#else -protected: -#endif - - double re; - double im; - -public: - - double real() const; - double imag() const; - - Complex(); - Complex(const Complex& y); - Complex(double r, double i=0); - - ~Complex(); - - Complex& operator = (const Complex& y); - - Complex& operator += (const Complex& y); - Complex& operator += (double y); - Complex& operator -= (const Complex& y); - Complex& operator -= (double y); - Complex& operator *= (const Complex& y); - Complex& operator *= (double y); - - Complex& operator /= (const Complex& y); - Complex& operator /= (double y); - - void error(const char* msg) const; -}; - - -// non-inline functions - -Complex operator / (const Complex& x, const Complex& y); -Complex operator / (const Complex& x, double y); -Complex operator / (double x, const Complex& y); - -Complex cos(const Complex& x); -Complex sin(const Complex& x); - -Complex cosh(const Complex& x); -Complex sinh(const Complex& x); - -Complex exp(const Complex& x); -Complex log(const Complex& x); - -Complex pow(const Complex& x, int p); -Complex pow(const Complex& x, const Complex& p); -Complex pow(const Complex& x, double y); -Complex sqrt(const Complex& x); - -istream& operator >> (istream& s, Complex& x); -ostream& operator << (ostream& s, const Complex& x); - - -// inline members - -inline double Complex::real() const { return re; } -inline double Complex::imag() const { return im; } - -inline Complex::Complex() {} -inline Complex::Complex(const Complex& y) :re(y.real()), im(y.imag()) {} -inline Complex::Complex(double r, double i) :re(r), im(i) {} - -inline Complex::~Complex() {} - -inline Complex& Complex::operator = (const Complex& y) -{ - re = y.real(); im = y.imag(); return *this; -} - -inline Complex& Complex::operator += (const Complex& y) -{ - re += y.real(); im += y.imag(); return *this; -} - -inline Complex& Complex::operator += (double y) -{ - re += y; return *this; -} - -inline Complex& Complex::operator -= (const Complex& y) -{ - re -= y.real(); im -= y.imag(); return *this; -} - -inline Complex& Complex::operator -= (double y) -{ - re -= y; return *this; -} - -inline Complex& Complex::operator *= (const Complex& y) -{ - double r = re * y.real() - im * y.imag(); - im = re * y.imag() + im * y.real(); - re = r; - return *this; -} - -inline Complex& Complex::operator *= (double y) -{ - re *= y; im *= y; return *this; -} - - -// functions - -inline int operator == (const Complex& x, const Complex& y) -{ - return x.real() == y.real() && x.imag() == y.imag(); -} - -inline int operator == (const Complex& x, double y) -{ - return x.imag() == 0.0 && x.real() == y; -} - -inline int operator != (const Complex& x, const Complex& y) -{ - return x.real() != y.real() || x.imag() != y.imag(); -} - -inline int operator != (const Complex& x, double y) -{ - return x.imag() != 0.0 || x.real() != y; -} - -inline Complex operator - (const Complex& x) -{ - return Complex(-x.real(), -x.imag()); -} - -inline Complex conj(const Complex& x) -{ - return Complex(x.real(), -x.imag()); -} - -inline Complex operator + (const Complex& x, const Complex& y) -{ - return Complex(x.real() + y.real(), x.imag() + y.imag()); -} - -inline Complex operator + (const Complex& x, double y) -{ - return Complex(x.real() + y, x.imag()); -} - -inline Complex operator + (double x, const Complex& y) -{ - return Complex(x + y.real(), y.imag()); -} - -inline Complex operator - (const Complex& x, const Complex& y) -{ - return Complex(x.real() - y.real(), x.imag() - y.imag()); -} - -inline Complex operator - (const Complex& x, double y) -{ - return Complex(x.real() - y, x.imag()); -} - -inline Complex operator - (double x, const Complex& y) -{ - return Complex(x - y.real(), -y.imag()); -} - -inline Complex operator * (const Complex& x, const Complex& y) -{ - return Complex(x.real() * y.real() - x.imag() * y.imag(), - x.real() * y.imag() + x.imag() * y.real()); -} - -inline Complex operator * (const Complex& x, double y) -{ - return Complex(x.real() * y, x.imag() * y); -} - -inline Complex operator * (double x, const Complex& y) -{ - return Complex(x * y.real(), x * y.imag()); -} - -inline double real(const Complex& x) -{ - return x.real(); -} - -inline double imag(const Complex& x) -{ - return x.imag(); -} - -inline double abs(const Complex& x) -{ - return hypot(x.real(), x.imag()); -} - -inline double norm(const Complex& x) -{ - return (x.real() * x.real() + x.imag() * x.imag()); -} - -inline double arg(const Complex& x) -{ - return atan2(x.imag(), x.real()); -} - -inline Complex polar(double r, double t) -{ - return Complex(r * cos(t), r * sin(t)); -} - -#endif |