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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpovmodeler/pmmath.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
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
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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