Exponential functions

These all operate component-wise. More...

Functions
template<typename genType >
genType	glm::pow (genType const &x, genType const &y)
	Returns x raised to the y power. More...
template<typename genType >
genType	glm::exp (genType const &x)
	Returns the natural exponentiation of x, i.e., e^x. More...
template<typename genType >
genType	glm::log (genType const &x)
	Returns the natural logarithm of x, i.e., returns the value y which satisfies the equation x = e^y. More...
template<typename genType >
genType	glm::exp2 (genType const &x)
	Returns 2 raised to the x power. More...
template<typename genType >
genType	glm::log2 (genType const &x)
	Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. More...
template<typename genType >
genType	glm::sqrt (genType const &x)
	Returns the positive square root of x. More...
template<typename genType >
genType	glm::inversesqrt (genType const &x)
	Returns the reciprocal of the positive square root of x. More...

Detailed Description

These all operate component-wise.

The description is per component.

Function Documentation

exp()

template<typename genType >

genType glm::exp

(

genType const &

x

)

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

Parameters

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

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL exp man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

exp2()

template<typename genType >

genType glm::exp2

(

genType const &

x

)

Returns 2 raised to the x power.

Parameters

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

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL exp2 man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

inversesqrt()

template<typename genType >

genType glm::inversesqrt

(

genType const &

x

)

Returns the reciprocal of the positive square root of x.

Parameters

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

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL inversesqrt man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

log()

template<typename genType >

genType glm::log

(

genType const &

x

)

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

Results are undefined if x <= 0.

Parameters

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

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL log man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

log2()

template<typename genType >

genType glm::log2

(

genType const &

x

)

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

Parameters

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

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL log2 man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

pow()

template<typename genType >

genType glm::pow	(	genType const &	x,
		genType const &	y
	)

Returns x raised to the y power.

Parameters

x	pow function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision.
y

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL pow man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions

sqrt()

template<typename genType >

genType glm::sqrt

(

genType const &

x

)

Returns the positive square root of x.

Parameters

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

Template Parameters

genType

Floating-point scalar or vector types.

See also

GLSL sqrt man page

GLSL 4.20.8 specification, section 8.2 Exponential Functions