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//-*-C++-*-
/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Andreas Zehender
email : zehender@kde.org
**************************************************************************
**************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
**************************************************************************/
#ifndef PMMATH_H
#define PMMATH_H
/**
* Same as ( fabs( v1 - v2 ) < epsilon )
*/
bool approx( double v1, double v2, double epsilon = 1e-6 );
/**
* Same as ( fabs( v ) < epsilon )
*/
bool approxZero( double v, double epsilon = 1e-6 );
/**
* Converts rad to deg
*/
double rad2Deg( double rad );
/**
* Converts deg to rad
*/
double deg2Rad( double deg );
/**
* Returns the atan( s / c ) with all special cases
*/
double pmatan( double s, double c );
/**
* Returns x^y. y has to be >= 0
*/
int pmpot( int x, int y );
#endif
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