GRK/cw 4/dependencies/glm/gtc/integer.hpp

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2022-01-12 16:07:16 +01:00
/// @ref gtc_integer
/// @file glm/gtc/integer.hpp
///
/// @see core (dependence)
/// @see gtc_integer (dependence)
///
/// @defgroup gtc_integer GLM_GTC_integer
/// @ingroup gtc
///
/// @brief Allow to perform bit operations on integer values
///
/// <glm/gtc/integer.hpp> need to be included to use these functionalities.
#pragma once
// Dependencies
#include "../detail/setup.hpp"
#include "../detail/precision.hpp"
#include "../detail/func_common.hpp"
#include "../detail/func_integer.hpp"
#include "../detail/func_exponential.hpp"
#include <limits>
#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTC_integer extension included")
#endif
namespace glm
{
/// @addtogroup gtc_integer
/// @{
/// Returns the log2 of x for integer values. Can be reliably using to compute mipmap count from the texture size.
/// @see gtc_integer
template <typename genIUType>
GLM_FUNC_DECL genIUType log2(genIUType x);
/// Modulus. Returns x % y
/// for each component in x using the floating point value y.
///
/// @tparam genIUType Integer-point scalar or vector types.
///
/// @see gtc_integer
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a>
template <typename genIUType>
GLM_FUNC_DECL genIUType mod(genIUType x, genIUType y);
/// Modulus. Returns x % y
/// for each component in x using the floating point value y.
///
/// @tparam T Integer scalar types.
/// @tparam vecType vector types.
///
/// @see gtc_integer
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a>
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> mod(vecType<T, P> const & x, T y);
/// Modulus. Returns x % y
/// for each component in x using the floating point value y.
///
/// @tparam T Integer scalar types.
/// @tparam vecType vector types.
///
/// @see gtc_integer
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a>
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> mod(vecType<T, P> const & x, vecType<T, P> const & y);
/// Returns a value equal to the nearest integer to x.
/// The fraction 0.5 will round in a direction chosen by the
/// implementation, presumably the direction that is fastest.
///
/// @param x The values of the argument must be greater or equal to zero.
/// @tparam T floating point scalar types.
/// @tparam vecType vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a>
/// @see gtc_integer
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<int, P> iround(vecType<T, P> const & x);
/// Returns a value equal to the nearest integer to x.
/// The fraction 0.5 will round in a direction chosen by the
/// implementation, presumably the direction that is fastest.
///
/// @param x The values of the argument must be greater or equal to zero.
/// @tparam T floating point scalar types.
/// @tparam vecType vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a>
/// @see gtc_integer
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<uint, P> uround(vecType<T, P> const & x);
/// @}
} //namespace glm
#include "integer.inl"