Exponential functions

These all operate component-wise. More...

Functions
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	exp (vec< L, T, P > const &v)
	Returns the natural exponentiation of x, i.e., e^x. More...
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	exp2 (vec< L, T, P > const &v)
	Returns 2 raised to the v power. More...
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	inversesqrt (vec< L, T, P > const &v)
	Returns the reciprocal of the positive square root of v. More...
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	log (vec< L, T, P > const &v)
	Returns the natural logarithm of v, i.e., returns the value y which satisfies the equation x = e^y. More...
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	log2 (vec< L, T, P > const &v)
	Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. More...
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	pow (vec< L, T, P > const &base, vec< L, T, P > const &exponent)
	Returns 'base' raised to the power 'exponent'. More...
template<length_t L, typename T , qualifier P>
GLM_FUNC_DECL vec< L, T, P >	sqrt (vec< L, T, P > const &v)
	Returns the positive square root of v. More...

Detailed Description

These all operate component-wise.

The description is per component.

Function Documentation

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

(

vec< L, T, P > 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

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

(

vec< L, T, P > 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

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

(

vec< L, T, P > 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

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

(

vec< L, T, P > 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

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

(

vec< L, T, P > 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

GLM_FUNC_DECL vec<L, T, P> glm::pow	(	vec< L, T, P > const &	base,
		vec< L, T, P > 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

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

(

vec< L, T, P > 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