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204 lines
7.3 KiB
C++
204 lines
7.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 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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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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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 gtc_round
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/// @file glm/gtc/round.hpp
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/// @date 2014-11-03 / 2014-11-03
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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/// @see gtc_round (dependence)
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///
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/// @defgroup gtc_round GLM_GTC_round
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/// @ingroup gtc
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///
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/// @brief rounding value to specific boundings
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///
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/// <glm/gtc/round.hpp> need to be included to use these functionalities.
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///////////////////////////////////////////////////////////////////////////////////
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#pragma once
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// Dependencies
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#include "../detail/setup.hpp"
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#include "../detail/precision.hpp"
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#include "../detail/_vectorize.hpp"
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#include "../vector_relational.hpp"
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#include "../common.hpp"
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#include <limits>
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#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
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# pragma message("GLM: GLM_GTC_integer extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtc_round
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/// @{
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/// Return true if the value is a power of two number.
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///
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/// @see gtc_round
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template <typename genIUType>
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GLM_FUNC_DECL bool isPowerOfTwo(genIUType Value);
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/// Return true if the value is a power of two number.
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<bool, P> isPowerOfTwo(vecType<T, P> const & value);
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/// Return the power of two number which value is just higher the input value,
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/// round up to a power of two.
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///
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/// @see gtc_round
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template <typename genIUType>
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GLM_FUNC_DECL genIUType ceilPowerOfTwo(genIUType Value);
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/// Return the power of two number which value is just higher the input value,
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/// round up to a power of two.
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> ceilPowerOfTwo(vecType<T, P> const & value);
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/// Return the power of two number which value is just lower the input value,
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/// round down to a power of two.
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///
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/// @see gtc_round
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template <typename genIUType>
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GLM_FUNC_DECL genIUType floorPowerOfTwo(genIUType Value);
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/// Return the power of two number which value is just lower the input value,
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/// round down to a power of two.
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> floorPowerOfTwo(vecType<T, P> const & value);
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/// Return the power of two number which value is the closet to the input value.
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///
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/// @see gtc_round
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template <typename genIUType>
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GLM_FUNC_DECL genIUType roundPowerOfTwo(genIUType Value);
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/// Return the power of two number which value is the closet to the input value.
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> roundPowerOfTwo(vecType<T, P> const & value);
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/// Return true if the 'Value' is a multiple of 'Multiple'.
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///
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/// @see gtc_round
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template <typename genIUType>
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GLM_FUNC_DECL bool isMultiple(genIUType Value, genIUType Multiple);
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/// Return true if the 'Value' is a multiple of 'Multiple'.
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<bool, P> isMultiple(vecType<T, P> const & Value, T Multiple);
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/// Return true if the 'Value' is a multiple of 'Multiple'.
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<bool, P> isMultiple(vecType<T, P> const & Value, vecType<T, P> const & Multiple);
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/// Higher multiple number of Source.
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///
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/// @tparam genType Floating-point or integer scalar or vector types.
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/// @param Source
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/// @param Multiple Must be a null or positive value
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///
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/// @see gtc_round
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template <typename genType>
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GLM_FUNC_DECL genType ceilMultiple(genType Source, genType Multiple);
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/// Higher multiple number of Source.
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///
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/// @tparam genType Floating-point or integer scalar or vector types.
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/// @param Source
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/// @param Multiple Must be a null or positive value
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> ceilMultiple(vecType<T, P> const & Source, vecType<T, P> const & Multiple);
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/// Lower multiple number of Source.
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///
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/// @tparam genType Floating-point or integer scalar or vector types.
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/// @param Source
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/// @param Multiple Must be a null or positive value
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///
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/// @see gtc_round
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template <typename genType>
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GLM_FUNC_DECL genType floorMultiple(
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genType Source,
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genType Multiple);
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/// Lower multiple number of Source.
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///
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/// @tparam genType Floating-point or integer scalar or vector types.
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/// @param Source
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/// @param Multiple Must be a null or positive value
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> floorMultiple(
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vecType<T, P> const & Source,
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vecType<T, P> const & Multiple);
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/// Lower multiple number of Source.
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///
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/// @tparam genType Floating-point or integer scalar or vector types.
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/// @param Source
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/// @param Multiple Must be a null or positive value
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///
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/// @see gtc_round
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template <typename genType>
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GLM_FUNC_DECL genType roundMultiple(
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genType Source,
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genType Multiple);
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/// Lower multiple number of Source.
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///
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/// @tparam genType Floating-point or integer scalar or vector types.
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/// @param Source
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/// @param Multiple Must be a null or positive value
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///
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/// @see gtc_round
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> roundMultiple(
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vecType<T, P> const & Source,
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vecType<T, P> const & Multiple);
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/// @}
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} //namespace glm
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#include "round.inl"
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