randn

Create a random array sampled from a normal distribution. More...

Functions
AFAPI array	randn (const dim4 &dims, const dtype ty=f32)
AFAPI array	randn (const dim_t d0, const dtype ty=f32)
AFAPI array	randn (const dim_t d0, const dim_t d1, const dtype ty=f32)
AFAPI array	randn (const dim_t d0, const dim_t d1, const dim_t d2, const dtype ty=f32)
AFAPI array	randn (const dim_t d0, const dim_t d1, const dim_t d2, const dim_t d3, const dtype ty=f32)
AFAPI af_err	af_randn (af_array *out, const unsigned ndims, const dim_t *const dims, const af_dtype type)

Detailed Description

Create a random array sampled from a normal distribution.

The distribution is centered around 0

Function Documentation

AFAPI af_err af_randn	(	af_array *	out,
		const unsigned	ndims,
		const dim_t *const	dims,
		const af_dtype	type
	)

Parameters

[out]	out	is the generated array
[in]	ndims	is size of dimension array dims
[in]	dims	is the array containing sizes of the dimension
[in]	type	is the type of array to generate

AFAPI array af::randn	(	const dim4 &	dims,
		const dtype	ty = f32
	)

Parameters

[in]	dims	is the dimensions of the array to be generated
[in]	ty	is the type of the array

Returns

array of size dims

Examples:

financial/heston_model.cpp, financial/monte_carlo_options.cpp, graphics/gravity_sim.cpp, and graphics/plot2d.cpp.

AFAPI array af::randn	(	const dim_t	d0,
		const dtype	ty = f32
	)

Parameters

[in]	d0	is the size of the first dimension
[in]	ty	is the type of the array

Returns

array of size d0

AFAPI array af::randn	(	const dim_t	d0,
		const dim_t	d1,
		const dtype	ty = f32
	)

Parameters

[in]	d0	is the size of the first dimension
[in]	d1	is the size of the second dimension
[in]	ty	is the type of the array

Returns

array of size d0 x d1

AFAPI array af::randn	(	const dim_t	d0,
		const dim_t	d1,
		const dim_t	d2,
		const dtype	ty = f32
	)

Parameters

[in]	d0	is the size of the first dimension
[in]	d1	is the size of the second dimension
[in]	d2	is the size of the third dimension
[in]	ty	is the type of the array

Returns

array of size d0 x d1 x d2

AFAPI array af::randn	(	const dim_t	d0,
		const dim_t	d1,
		const dim_t	d2,
		const dim_t	d3,
		const dtype	ty = f32
	)

Parameters

[in]	d0	is the size of the first dimension
[in]	d1	is the size of the second dimension
[in]	d2	is the size of the third dimension
[in]	d3	is the size of the fourth dimension
[in]	ty	is the type of the array

Returns

array of size d0 x d1 x d2 x d3