mymath.hxx File Reference

Header defining simple functions like max, min, abs. More...

#include <cmath>
#include <cstdlib>

Go to the source code of this file.

Namespaces
	CH_Matrix_Classes
	Matrix Classes and Linear Algebra. See Matrix Classes (namespace CH_Matrix_Classes) for a quick introduction.

Functions
double	CH_Matrix_Classes::abs (double d)
	absolute value of a double
int	CH_Matrix_Classes::abs (int d)
	absolute value of an int
long	CH_Matrix_Classes::abs (long d)
	absolute value of a long
double	CH_Matrix_Classes::max (double a, double b)
	maximum value of two double variables
double	CH_Matrix_Classes::min (double a, double b)
	minimum value of two double variables
int	CH_Matrix_Classes::max (int a, int b)
	maximum value of two int variables
int	CH_Matrix_Classes::min (int a, int b)
	minimum value of two int variables
long	CH_Matrix_Classes::max (long a, long b)
	maximum value of two long vriables
long	CH_Matrix_Classes::min (long a, long b)
	minimum value of two long variables
void	CH_Matrix_Classes::swap (double &a, double &b)
	swaps two double variables
void	CH_Matrix_Classes::swap (long &a, long &b)
	swaps two long variables
void	CH_Matrix_Classes::swap (int &a, int &b)
	swpas two int variables
void	CH_Matrix_Classes::swap (bool &a, bool &b)
	swpas two bool variables
int	CH_Matrix_Classes::sqr (int a)
	return a*a for int a
long	CH_Matrix_Classes::sqr (long a)
	return a*a for long a
double	CH_Matrix_Classes::sqr (double a)
	return a*a for double a
double	CH_Matrix_Classes::sqrt (int a)
	return sqrt for int a
double	CH_Matrix_Classes::sqrt (long a)
	return sqrt for long a
int	CH_Matrix_Classes::sign (int a)
	return the signum of an int a (1 for a>0,-1 for a<0,0 for a==0)
long	CH_Matrix_Classes::sign (long a)
	return the signum of a long a (1 for a>0,-1 for a<0,0 for a==0)
double	CH_Matrix_Classes::sign (double a)
	return the signum of a double a (1. for a>0.,-1. for a<0.,0. for a==0.)
double	CH_Matrix_Classes::sign (double a, double tol)
	return the signum of a double a with tolerance (1. for a>tol,-1. for a<-tol,0. otherwise)
double	CH_Matrix_Classes::d_sign (double a, double b)
	return a if a and b have the same sign, return -a otherwise

Detailed Description

Header defining simple functions like max, min, abs.

Version

1.0

Date

2005-03-01

Author

Christoph Helmberg