fraktal/include/glm/gtx/bit.hpp
2021-02-08 22:56:15 +01:00

99 lines
3.0 KiB
C++

/// @ref gtx_bit
/// @file glm/gtx/bit.hpp
///
/// @see core (dependence)
///
/// @defgroup gtx_bit GLM_GTX_bit
/// @ingroup gtx
///
/// Include <glm/gtx/bit.hpp> to use the features of this extension.
///
/// Allow to perform bit operations on integer values
#pragma once
// Dependencies
#include "../gtc/bitfield.hpp"
#ifndef GLM_ENABLE_EXPERIMENTAL
# 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."
#endif
#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTX_bit extension is deprecated, include GLM_GTC_bitfield and GLM_GTC_integer instead")
#endif
namespace glm
{
/// @addtogroup gtx_bit
/// @{
/// @see gtx_bit
template<typename genIUType>
GLM_FUNC_DECL genIUType highestBitValue(genIUType Value);
/// @see gtx_bit
template<typename genIUType>
GLM_FUNC_DECL genIUType lowestBitValue(genIUType Value);
/// Find the highest bit set to 1 in a integer variable and return its value.
///
/// @see gtx_bit
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> highestBitValue(vec<L, T, Q> const& value);
/// Return the power of two number which value is just higher the input value.
/// Deprecated, use ceilPowerOfTwo from GTC_round instead
///
/// @see gtc_round
/// @see gtx_bit
template<typename genIUType>
GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoAbove(genIUType Value);
/// Return the power of two number which value is just higher the input value.
/// Deprecated, use ceilPowerOfTwo from GTC_round instead
///
/// @see gtc_round
/// @see gtx_bit
template<length_t L, typename T, qualifier Q>
GLM_DEPRECATED GLM_FUNC_DECL vec<L, T, Q> powerOfTwoAbove(vec<L, T, Q> const& value);
/// Return the power of two number which value is just lower the input value.
/// Deprecated, use floorPowerOfTwo from GTC_round instead
///
/// @see gtc_round
/// @see gtx_bit
template<typename genIUType>
GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoBelow(genIUType Value);
/// Return the power of two number which value is just lower the input value.
/// Deprecated, use floorPowerOfTwo from GTC_round instead
///
/// @see gtc_round
/// @see gtx_bit
template<length_t L, typename T, qualifier Q>
GLM_DEPRECATED GLM_FUNC_DECL vec<L, T, Q> powerOfTwoBelow(vec<L, T, Q> const& value);
/// Return the power of two number which value is the closet to the input value.
/// Deprecated, use roundPowerOfTwo from GTC_round instead
///
/// @see gtc_round
/// @see gtx_bit
template<typename genIUType>
GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoNearest(genIUType Value);
/// Return the power of two number which value is the closet to the input value.
/// Deprecated, use roundPowerOfTwo from GTC_round instead
///
/// @see gtc_round
/// @see gtx_bit
template<length_t L, typename T, qualifier Q>
GLM_DEPRECATED GLM_FUNC_DECL vec<L, T, Q> powerOfTwoNearest(vec<L, T, Q> const& value);
/// @}
} //namespace glm
#include "bit.inl"