117 lines
4.7 KiB
C++
117 lines
4.7 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cvfBase.h"
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namespace external {
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namespace cvf {
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//==================================================================================================
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//
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// Static class providing basic math operations
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//
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//==================================================================================================
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class Math
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{
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public:
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static float toRadians(float degrees);
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static double toRadians(double degrees);
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static float toDegrees(float radians);
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static double toDegrees(double radians);
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static double cos(double val);
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static float cos(float val);
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static double acos(double val);
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static float acos(float val);
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static double sin(double val);
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static float sin(float val);
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static double asin(double val);
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static float asin(float val);
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static double tan(double val);
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static float tan(float val);
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static double atan(double val);
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static float atan(float val);
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static double sqrt(double val);
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static float sqrt(float val);
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static double floor(double val);
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static float floor(float val);
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static double ceil(double val);
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static float ceil(float val);
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static double fmod(double x, double y);
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static float fmod(float x, float y);
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static bool isPow2(uint number);
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static uint roundUpPow2(uint number);
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static bool isUndefined(double val);
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static bool isUndefined(float val);
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template<typename T> static bool valueInRange(T val, T min, T max);
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template<typename T> static T clamp(T val, T minVal, T maxVal);
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template<typename T> static inline T abs(const T& val);
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template<typename T> static int sign(const T& val);
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};
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const float PI_F = 3.14159265f;
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const double PI_D = 3.14159265358979323846;
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const float ONE_THIRD_F = 1.0f/3.0f;
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const double ONE_THIRD_D = 1.0/3.0;
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const double SQRT2_F = 1.41421356f; // sqrt(2)
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const double SQRT2_D = 1.41421356237309504880; // sqrt(2)
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const double SQRT1_2_F = 0.70710678f; // 1/sqrt(2)
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const double SQRT1_2_D = 0.70710678118654752440; // 1/sqrt(2)
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const int UNDEFINED_INT = 2147483647;
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const uint UNDEFINED_UINT = static_cast<uint>(-1); // 4294967295u
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const size_t UNDEFINED_SIZE_T = static_cast<size_t>(-1);// 18446744073709551615u
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const double UNDEFINED_DOUBLE = 1.7976931348623158e+308;
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const double UNDEFINED_DOUBLE_THRESHOLD = 1.00e+308;
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const float UNDEFINED_FLOAT = 3.402823466e+38f;
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const float UNDEFINED_FLOAT_THRESHOLD = 2.99e+38f;
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} // namespace cvf
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} //namespace external
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#include "cvfMath.inl" |