GLM_GTC_ulp

Functions
template<typename T >
GLM_FUNC_DECL uint	float_distance (T const &x, T const &y)
template<typename T , qualifier Q>
GLM_FUNC_DECL vec< 2, uint, Q >	float_distance (vec< 2, T, Q > const &x, vec< 2, T, Q > const &y)
template<typename genType >
GLM_FUNC_DECL genType	next_float (genType const &x)
template<typename genType >
GLM_FUNC_DECL genType	next_float (genType const &x, uint const &Distance)
template<typename genType >
GLM_FUNC_DECL genType	prev_float (genType const &x)
template<typename genType >
GLM_FUNC_DECL genType	prev_float (genType const &x, uint const &Distance)

Detailed Description

Include <glm/gtc/ulp.hpp> to use the features of this extension.

Allow the measurement of the accuracy of a function against a reference implementation. This extension works on floating-point data and provide results in ULP.

Function Documentation

float_distance() [1/2]

GLM_FUNC_DECL uint glm::float_distance	(	T const &	x,
		T const &	y
	)

Return the distance in the number of ULP between 2 scalars.

See also

GLM_GTC_ulp

float_distance() [2/2]

GLM_FUNC_DECL vec<2, uint, Q> glm::float_distance	(	vec< 2, T, Q > const &	x,
		vec< 2, T, Q > const &	y
	)

Return the distance in the number of ULP between 2 vectors.

See also

GLM_GTC_ulp

next_float() [1/2]

GLM_FUNC_DECL genType glm::next_float

(

genType const &

x

)

Return the next ULP value(s) after the input value(s).

See also

GLM_GTC_ulp

next_float() [2/2]

GLM_FUNC_DECL genType glm::next_float	(	genType const &	x,
		uint const &	Distance
	)

Return the value(s) ULP distance after the input value(s).

See also

GLM_GTC_ulp

prev_float() [1/2]

GLM_FUNC_DECL genType glm::prev_float

(

genType const &

x

)

Return the previous ULP value(s) before the input value(s).

See also

GLM_GTC_ulp

prev_float() [2/2]

GLM_FUNC_DECL genType glm::prev_float	(	genType const &	x,
		uint const &	Distance
	)

Return the value(s) ULP distance before the input value(s).

See also

GLM_GTC_ulp