99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
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/// @ref gtx_bit
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/// @file glm/gtx/bit.hpp
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///
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/// @see core (dependence)
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///
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/// @defgroup gtx_bit GLM_GTX_bit
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/// @ingroup gtx
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///
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/// @brief Allow to perform bit operations on integer values
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///
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/// <glm/gtx/bit.hpp> need to be included to use these functionalities.
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#pragma once
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// Dependencies
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#include "../gtc/bitfield.hpp"
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#ifndef GLM_ENABLE_EXPERIMENTAL
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# error "GLM: GLM_GTX_bit is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
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#endif
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#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
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# pragma message("GLM: GLM_GTX_bit extension is deprecated, include GLM_GTC_bitfield and GLM_GTC_integer instead")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_bit
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/// @{
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/// @see gtx_bit
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template<typename genIUType>
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GLM_FUNC_DECL genIUType highestBitValue(genIUType Value);
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/// @see gtx_bit
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template<typename genIUType>
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GLM_FUNC_DECL genIUType lowestBitValue(genIUType Value);
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/// Find the highest bit set to 1 in a integer variable and return its value.
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///
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/// @see gtx_bit
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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GLM_FUNC_DECL vecType<L, T, P> highestBitValue(vecType<L, 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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/// Deprecated, use ceilPowerOfTwo from GTC_round instead
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///
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/// @see gtc_round
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/// @see gtx_bit
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template<typename genIUType>
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GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoAbove(genIUType Value);
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/// Return the power of two number which value is just higher the input value.
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/// Deprecated, use ceilPowerOfTwo from GTC_round instead
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///
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/// @see gtc_round
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/// @see gtx_bit
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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GLM_DEPRECATED GLM_FUNC_DECL vecType<L, T, P> powerOfTwoAbove(vecType<L, 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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/// Deprecated, use floorPowerOfTwo from GTC_round instead
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///
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/// @see gtc_round
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/// @see gtx_bit
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template<typename genIUType>
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GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoBelow(genIUType Value);
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/// Return the power of two number which value is just lower the input value.
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/// Deprecated, use floorPowerOfTwo from GTC_round instead
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///
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/// @see gtc_round
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/// @see gtx_bit
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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GLM_DEPRECATED GLM_FUNC_DECL vecType<L, T, P> powerOfTwoBelow(vecType<L, 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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/// Deprecated, use roundPowerOfTwo from GTC_round instead
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///
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/// @see gtc_round
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/// @see gtx_bit
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template<typename genIUType>
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GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoNearest(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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/// Deprecated, use roundPowerOfTwo from GTC_round instead
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///
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/// @see gtc_round
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/// @see gtx_bit
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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GLM_DEPRECATED GLM_FUNC_DECL vecType<L, T, P> powerOfTwoNearest(vecType<L, T, P> const & value);
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/// @}
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} //namespace glm
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#include "bit.inl"
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