From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kpovmodeler/pmmath.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 kpovmodeler/pmmath.h (limited to 'kpovmodeler/pmmath.h') diff --git a/kpovmodeler/pmmath.h b/kpovmodeler/pmmath.h new file mode 100644 index 00000000..520b8b6d --- /dev/null +++ b/kpovmodeler/pmmath.h @@ -0,0 +1,48 @@ +//-*-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 -- cgit v1.2.1