121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
/// @ref ext_quaternion_common
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/// @file glm/ext/quaternion_common.hpp
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///
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/// @defgroup ext_quaternion_common GLM_EXT_quaternion_common
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/// @ingroup ext
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///
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/// Provides common functions for quaternion types
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///
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/// Include <glm/ext/quaternion_common.hpp> to use the features of this extension.
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///
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/// @see ext_scalar_common
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/// @see ext_vector_common
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/// @see ext_quaternion_float
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/// @see ext_quaternion_double
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/// @see ext_quaternion_exponential
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/// @see ext_quaternion_geometric
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/// @see ext_quaternion_relational
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/// @see ext_quaternion_trigonometric
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/// @see ext_quaternion_transform
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#pragma once
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// Dependency:
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#include "../ext/scalar_constants.hpp"
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#include "../ext/quaternion_geometric.hpp"
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#include "../common.hpp"
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#include "../trigonometric.hpp"
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#include "../exponential.hpp"
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#include <limits>
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#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
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# pragma message("GLM: GLM_EXT_quaternion_common extension included")
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#endif
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namespace glm
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{
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/// @addtogroup ext_quaternion_common
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/// @{
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/// Spherical linear interpolation of two quaternions.
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/// The interpolation is oriented and the rotation is performed at constant speed.
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/// For short path spherical linear interpolation, use the slerp function.
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///
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/// @param x A quaternion
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/// @param y A quaternion
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/// @param a Interpolation factor. The interpolation is defined beyond the range [0, 1].
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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///
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/// @see - slerp(qua<T, Q> const& x, qua<T, Q> const& y, T const& a)
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template<typename T, qualifier Q>
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GLM_FUNC_DECL qua<T, Q> mix(qua<T, Q> const& x, qua<T, Q> const& y, T a);
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/// Linear interpolation of two quaternions.
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/// The interpolation is oriented.
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///
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/// @param x A quaternion
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/// @param y A quaternion
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/// @param a Interpolation factor. The interpolation is defined in the range [0, 1].
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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template<typename T, qualifier Q>
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GLM_FUNC_DECL qua<T, Q> lerp(qua<T, Q> const& x, qua<T, Q> const& y, T a);
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/// Spherical linear interpolation of two quaternions.
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/// The interpolation always take the short path and the rotation is performed at constant speed.
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///
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/// @param x A quaternion
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/// @param y A quaternion
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/// @param a Interpolation factor. The interpolation is defined beyond the range [0, 1].
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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template<typename T, qualifier Q>
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GLM_FUNC_DECL qua<T, Q> slerp(qua<T, Q> const& x, qua<T, Q> const& y, T a);
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/// Returns the q conjugate.
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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template<typename T, qualifier Q>
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GLM_FUNC_DECL qua<T, Q> conjugate(qua<T, Q> const& q);
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/// Returns the q inverse.
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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template<typename T, qualifier Q>
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GLM_FUNC_DECL qua<T, Q> inverse(qua<T, Q> const& q);
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/// Returns true if x holds a NaN (not a number)
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/// representation in the underlying implementation's set of
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/// floating point representations. Returns false otherwise,
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/// including for implementations with no NaN
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/// representations.
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///
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/// /!\ When using compiler fast math, this function may fail.
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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template<typename T, qualifier Q>
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GLM_FUNC_DECL vec<4, bool, Q> isnan(qua<T, Q> const& x);
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/// Returns true if x holds a positive infinity or negative
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/// infinity representation in the underlying implementation's
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/// set of floating point representations. Returns false
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/// otherwise, including for implementations with no infinity
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/// representations.
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///
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/// @tparam T A floating-point scalar type
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/// @tparam Q A value from qualifier enum
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template<typename T, qualifier Q>
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GLM_FUNC_DECL vec<4, bool, Q> isinf(qua<T, Q> const& x);
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/// @}
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} //namespace glm
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#include "quaternion_common.inl"
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