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/// OpenGL Mathematics (glm.g-truc.net)
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/// @ref core
/// @file glm/core/func_trigonometric.hpp
/// @date 2008-08-01 / 2011-06-15
/// @author Christophe Riccio
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
///
/// @defgroup core_func_trigonometric Angle and Trigonometry Functions
/// @ingroup core
///
/// Function parameters specified as angle are assumed to be in units of radians.
/// In no case will any of these functions result in a divide by zero error. If
/// the divisor of a ratio is 0, then results will be undefined.
///
/// These all operate component-wise. The description is per component.
///////////////////////////////////////////////////////////////////////////////////
#ifndef GLM_CORE_func_trigonometric
#define GLM_CORE_func_trigonometric
namespace glm
{
/// @addtogroup core_func_trigonometric
/// @{
/// Converts degrees to radians and returns the result.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/radians.xml">GLSL radians man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType radians(genType const & degrees);
/// Converts radians to degrees and returns the result.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/degrees.xml">GLSL degrees man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType degrees(genType const & radians);
/// The standard trigonometric sine function.
/// The values returned by this function will range from [-1, 1].
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sin.xml">GLSL sin man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType sin(genType const & angle);
/// The standard trigonometric cosine function.
/// The values returned by this function will range from [-1, 1].
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/cos.xml">GLSL cos man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType cos(genType const & angle);
/// The standard trigonometric tangent function.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/tan.xml">GLSL tan man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType tan(genType const & angle);
/// Arc sine. Returns an angle whose sine is x.
/// The range of values returned by this function is [-PI/2, PI/2].
/// Results are undefined if |x| > 1.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/asin.xml">GLSL asin man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType asin(genType const & x);
/// Arc cosine. Returns an angle whose sine is x.
/// The range of values returned by this function is [0, PI].
/// Results are undefined if |x| > 1.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/acos.xml">GLSL acos man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType acos(genType const & x);
/// Arc tangent. Returns an angle whose tangent is y/x.
/// The signs of x and y are used to determine what
/// quadrant the angle is in. The range of values returned
/// by this function is [-PI, PI]. Results are undefined
/// if x and y are both 0.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/atan.xml">GLSL atan man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType atan(genType const & y, genType const & x);
/// Arc tangent. Returns an angle whose tangent is y_over_x.
/// The range of values returned by this function is [-PI/2, PI/2].
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/atan.xml">GLSL atan man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType atan(genType const & y_over_x);
/// Returns the hyperbolic sine function, (exp(x) - exp(-x)) / 2
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sinh.xml">GLSL sinh man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType sinh(genType const & angle);
/// Returns the hyperbolic cosine function, (exp(x) + exp(-x)) / 2
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/cosh.xml">GLSL cosh man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType cosh(genType const & angle);
/// Returns the hyperbolic tangent function, sinh(angle) / cosh(angle)
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/tanh.xml">GLSL tanh man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType tanh(genType const & angle);
/// Arc hyperbolic sine; returns the inverse of sinh.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/asinh.xml">GLSL asinh man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType asinh(genType const & x);
/// Arc hyperbolic cosine; returns the non-negative inverse
/// of cosh. Results are undefined if x < 1.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/acosh.xml">GLSL acosh man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType acosh(genType const & x);
/// Arc hyperbolic tangent; returns the inverse of tanh.
/// Results are undefined if abs(x) >= 1.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/atanh.xml">GLSL atanh man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a>
template <typename genType>
GLM_FUNC_DECL genType atanh(genType const & x);
/// @}
}//namespace glm
#include "func_trigonometric.inl"
#endif//GLM_CORE_func_trigonometric