105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtx_integer
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/// @file glm/gtx/integer.hpp
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/// @date 2005-12-24 / 2011-10-13
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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///
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/// @defgroup gtx_integer GLM_GTX_integer
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/// @ingroup gtx
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///
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/// @brief Add support for integer for core functions
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///
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/// <glm/gtx/integer.hpp> need to be included to use these functionalities.
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef GLM_GTX_integer
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#define GLM_GTX_integer GLM_VERSION
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// Dependency:
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#include "../glm.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTX_integer extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_integer
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/// @{
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//! Returns x raised to the y power.
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//! From GLM_GTX_integer extension.
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int pow(int x, int y);
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//! Returns the positive square root of x.
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//! From GLM_GTX_integer extension.
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int sqrt(int x);
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//! Returns the log2 of x. Can be reliably using to compute mipmap count from the texture size.
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//! From GLM_GTX_integer extension.
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template <typename genIUType>
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genIUType log2(genIUType const & x);
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//! Returns the floor log2 of x.
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//! From GLM_GTX_integer extension.
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unsigned int floor_log2(unsigned int x);
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//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
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//! From GLM_GTX_integer extension.
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int mod(int x, int y);
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//! Return the factorial value of a number (!12 max, integer only)
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//! From GLM_GTX_integer extension.
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template <typename genType>
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genType factorial(genType const & x);
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//! 32bit signed integer.
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//! From GLM_GTX_integer extension.
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typedef signed int sint;
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//! Returns x raised to the y power.
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//! From GLM_GTX_integer extension.
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uint pow(uint x, uint y);
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//! Returns the positive square root of x.
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//! From GLM_GTX_integer extension.
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uint sqrt(uint x);
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//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
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//! From GLM_GTX_integer extension.
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uint mod(uint x, uint y);
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//! Returns the number of leading zeros.
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//! From GLM_GTX_integer extension.
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uint nlz(uint x);
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/// @}
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}//namespace glm
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#include "integer.inl"
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#endif//GLM_GTX_integer
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