dependencies/glm/GLM/ext/scalar_integer.hpp

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/// @ref ext_scalar_integer
/// @file glm/ext/scalar_integer.hpp
///
/// @see core (dependence)
///
/// @defgroup ext_scalar_integer GLM_EXT_scalar_integer
/// @ingroup ext
///
/// Include <glm/ext/scalar_integer.hpp> to use the features of this extension.
#pragma once
// Dependencies
#include "../detail/setup.hpp"
#include "../detail/qualifier.hpp"
#include "../detail/_vectorize.hpp"
#include "../detail/type_float.hpp"
#include "../vector_relational.hpp"
#include "../common.hpp"
#include <limits>
#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_EXT_scalar_integer extension included")
#endif
namespace glm
{
/// @addtogroup ext_scalar_integer
/// @{
/// Return true if the value is a power of two number.
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL bool isPowerOfTwo(genIUType v);
/// Return the power of two number which value is just higher the input value,
/// round up to a power of two.
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL genIUType nextPowerOfTwo(genIUType v);
/// Return the power of two number which value is just lower the input value,
/// round down to a power of two.
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL genIUType prevPowerOfTwo(genIUType v);
/// Return true if the 'Value' is a multiple of 'Multiple'.
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL bool isMultiple(genIUType v, genIUType Multiple);
/// Higher multiple number of Source.
///
/// @tparam genIUType Integer scalar or vector types.
///
/// @param v Source value to which is applied the function
/// @param Multiple Must be a null or positive value
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL genIUType nextMultiple(genIUType v, genIUType Multiple);
/// Lower multiple number of Source.
///
/// @tparam genIUType Integer scalar or vector types.
///
/// @param v Source value to which is applied the function
/// @param Multiple Must be a null or positive value
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL genIUType prevMultiple(genIUType v, genIUType Multiple);
/// Returns the bit number of the Nth significant bit set to
/// 1 in the binary representation of value.
/// If value bitcount is less than the Nth significant bit, -1 will be returned.
///
/// @tparam genIUType Signed or unsigned integer scalar types.
///
/// @see ext_scalar_integer
template<typename genIUType>
GLM_FUNC_DECL int findNSB(genIUType x, int significantBitCount);
/// @}
} //namespace glm
#include "scalar_integer.inl"