GLM_EXT_vector_ulp

Functions
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, int64, Q >	floatDistance (vec< L, double, Q > const &x, vec< L, double, Q > const &y)
	Return the distance in the number of ULP between 2 double-precision floating-point scalars. More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, int, Q >	floatDistance (vec< L, float, Q > const &x, vec< L, float, Q > const &y)
	Return the distance in the number of ULP between 2 single-precision floating-point scalars. More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	nextFloat (vec< L, T, Q > const &x)
	Return the next ULP value(s) after the input value(s). More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	nextFloat (vec< L, T, Q > const &x, int ULPs)
	Return the value(s) ULP distance after the input value(s). More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	nextFloat (vec< L, T, Q > const &x, vec< L, int, Q > const &ULPs)
	Return the value(s) ULP distance after the input value(s). More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	prevFloat (vec< L, T, Q > const &x)
	Return the previous ULP value(s) before the input value(s). More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	prevFloat (vec< L, T, Q > const &x, int ULPs)
	Return the value(s) ULP distance before the input value(s). More...
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	prevFloat (vec< L, T, Q > const &x, vec< L, int, Q > const &ULPs)
	Return the value(s) ULP distance before the input value(s). More...

Detailed Description

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.

Include <glm/ext/vector_ulp.hpp> to use the features of this extension.

See also

GLM_EXT_scalar_ulp

GLM_EXT_scalar_relational

GLM_EXT_vector_relational

Function Documentation

floatDistance() [1/2]

GLM_FUNC_DECL vec<L, int64, Q> glm::floatDistance	(	vec< L, double, Q > const &	x,
		vec< L, double, Q > const &	y
	)

Return the distance in the number of ULP between 2 double-precision floating-point scalars.

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

floatDistance() [2/2]

GLM_FUNC_DECL vec<L, int, Q> glm::floatDistance	(	vec< L, float, Q > const &	x,
		vec< L, float, Q > const &	y
	)

Return the distance in the number of ULP between 2 single-precision floating-point scalars.

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

nextFloat() [1/3]

GLM_FUNC_DECL vec<L, T, Q> glm::nextFloat

(

vec< L, T, Q > const &

x

)

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

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
T	Floating-point
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

nextFloat() [2/3]

GLM_FUNC_DECL vec<L, T, Q> glm::nextFloat	(	vec< L, T, Q > const &	x,
		int	ULPs
	)

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

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
T	Floating-point
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

nextFloat() [3/3]

GLM_FUNC_DECL vec<L, T, Q> glm::nextFloat	(	vec< L, T, Q > const &	x,
		vec< L, int, Q > const &	ULPs
	)

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

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
T	Floating-point
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

prevFloat() [1/3]

GLM_FUNC_DECL vec<L, T, Q> glm::prevFloat

(

vec< L, T, Q > const &

x

)

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

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
T	Floating-point
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

prevFloat() [2/3]

GLM_FUNC_DECL vec<L, T, Q> glm::prevFloat	(	vec< L, T, Q > const &	x,
		int	ULPs
	)

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

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
T	Floating-point
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp

prevFloat() [3/3]

GLM_FUNC_DECL vec<L, T, Q> glm::prevFloat	(	vec< L, T, Q > const &	x,
		vec< L, int, Q > const &	ULPs
	)

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

Template Parameters

L	Integer between 1 and 4 included that qualify the dimension of the vector
T	Floating-point
Q	Value from qualifier enum

See also

GLM_EXT_scalar_ulp