mathutil.h

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  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 3 of the License, or
**  (at your option) any later version.
**
**  This program 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 General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
//
// Filename:     mathutil.h
// Project:      wwutil
// Author:       Tom Spencer-Smith
// Date:         June 1998
// Description:  static
//
//-----------------------------------------------------------------------------
#if defined(_MSV_VER)
#pragma once
#endif
 
#ifndef MATHUTIL_H
#define MATHUTIL_H
 
class cMathUtil
{
    public:
        static void     Angle_To_Vector(double angle, double & dx, double & dy);
      static void       Vector_To_Angle(double dx, double dy, double & angle);
        static double   Simple_Distance(double x1, double y1, double x2, double y2);
      static int        Round(double arg);
      static void       Rotate_Vector(double & vx, double & vy, double angle);
 
      //
      // Random numbers generated according to simple 
      // Probability Density Functions
      //
      static double  Get_Uniform_Pdf_Double(double lower, double upper);
      static double  Get_Normalized_Uniform_Pdf_Double();
      static int     Get_Uniform_Pdf_Int(int lower, int upper);
      static double  Get_Hat_Pdf_Double(double lower, double upper);
      static double  Get_Normalized_Hat_Pdf_Double();
      static int     Get_Hat_Pdf_Int(int lower, int upper);
 
        static const double PI_1;
        static const double PI_2;
};
 
#endif // MATHUTIL_H