Exponential functions

Functions
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	exp (vec< L, T, Q > const &v)
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	exp2 (vec< L, T, Q > const &v)
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	inversesqrt (vec< L, T, Q > const &v)
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	log (vec< L, T, Q > const &v)
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	log2 (vec< L, T, Q > const &v)
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	pow (vec< L, T, Q > const &base, vec< L, T, Q > const &exponent)
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q >	sqrt (vec< L, T, Q > const &v)

Detailed Description

Provides GLSL exponential functions.

These all operate component-wise. The description is per component.

Include <glm/exponential.hpp> to use these core features.

Function Documentation

exp()

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

(

vec< L, T, Q > const &

v

)

Returns the natural exponentiation of x, i.e., e^x.

Parameters

v	exp function is defined for input values of v defined in the range (inf-, inf+) in the limit of the type qualifier.

Template Parameters

L	An integer between 1 and 4 included that qualify the dimension of the vector.
T	Floating-point scalar types.

See also

GLSL exp man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

exp2()

GLM_FUNC_DECL vec<L, T, Q> glm::exp2

(

vec< L, T, Q > const &

v

)

Returns 2 raised to the v power.

Parameters

v	exp2 function is defined for input values of v defined in the range (inf-, inf+) in the limit of the type qualifier.

Template Parameters

L	An integer between 1 and 4 included that qualify the dimension of the vector.
T	Floating-point scalar types.

See also

GLSL exp2 man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

inversesqrt()

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

(

vec< L, T, Q > const &

v

)

Returns the reciprocal of the positive square root of v.

Parameters

v	inversesqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type qualifier.

Template Parameters

L	An integer between 1 and 4 included that qualify the dimension of the vector.
T	Floating-point scalar types.

See also

GLSL inversesqrt man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

log()

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

(

vec< L, T, Q > const &

v

)

Returns the natural logarithm of v, i.e., returns the value y which satisfies the equation x = e^y.

Results are undefined if v <= 0.

Parameters

v	log function is defined for input values of v defined in the range (0, inf+) in the limit of the type qualifier.

Template Parameters

L	An integer between 1 and 4 included that qualify the dimension of the vector.
T	Floating-point scalar types.

See also

GLSL log man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

log2()

GLM_FUNC_DECL vec<L, T, Q> glm::log2

(

vec< L, T, Q > const &

v

)

Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y.

Parameters

v	log2 function is defined for input values of v defined in the range (0, inf+) in the limit of the type qualifier.

Template Parameters

L	An integer between 1 and 4 included that qualify the dimension of the vector.
T	Floating-point scalar types.

See also

GLSL log2 man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

pow()

GLM_FUNC_DECL vec<L, T, Q> glm::pow	(	vec< L, T, Q > const &	base,
		vec< L, T, Q > const &	exponent
	)

Returns 'base' raised to the power 'exponent'.

Parameters

base	Floating point value. pow function is defined for input values of 'base' defined in the range (inf-, inf+) in the limit of the type qualifier.
exponent	Floating point value representing the 'exponent'.

See also

GLSL pow man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

sqrt()

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

(

vec< L, T, Q > const &

v

)

Returns the positive square root of v.

Parameters

v	sqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type qualifier.

Template Parameters

L	An integer between 1 and 4 included that qualify the dimension of the vector.
T	Floating-point scalar types.

See also

GLSL sqrt man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions