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repl.txt
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{{alias}}( len, a, b[, options] )
Returns an array containing pseudorandom numbers drawn from a discrete
uniform distribution.
Parameters
----------
len: integer
Output array length.
a: number
Minimum support.
b: number
Maximum support.
options: Object (optional)
Options.
options.dtype: string (optional)
Output array data type. Default: 'float64'.
Returns
-------
out: Array<number>|TypedArray
Output array.
Examples
--------
> var out = {{alias}}( 3, -10, 10 )
<Float64Array>
{{alias}}.assign( a, b, out )
Fills an array with pseudorandom numbers drawn from a discrete uniform
distribution.
Parameters
----------
a: number
Minimum support.
b: number
Maximum support.
out: Array<number>|TypedArray
Output array.
Returns
-------
out: Array<number>|TypedArray
Output array.
Examples
--------
> var x = {{alias:@stdlib/array/zeros}}( 3, 'float64' );
> var out = {{alias}}.assign( -10, 10, x )
<Float64Array>
> var bool = ( out === x )
true
{{alias}}.factory( [a, b, ][options] )
Returns a function for creating arrays containing pseudorandom numbers drawn
from a discrete uniform distribution.
If provided distribution parameters, the returned function returns random
variates drawn from the specified distribution.
If not provided distribution parameters, the returned function requires that
distribution parameters be provided at each invocation.
The returned function accepts the following options:
- dtype: output array data type. This overrides the default output array
data type.
Parameters
----------
a: number (optional)
Minimum support.
b: number (optional)
Maximum support.
options: Object (optional)
Options.
options.prng: Function (optional)
Pseudorandom number generator (PRNG) for generating uniformly
distributed pseudorandom integers. If provided, the `state` and `seed`
options are ignored. In order to seed the returned pseudorandom number
generator, one must seed the provided `prng` (assuming the provided
`prng` is seedable). The provided PRNG must have `MIN` and `MAX`
properties specifying the minimum and maximum possible pseudorandom
integers.
options.seed: integer|ArrayLikeObject<integer> (optional)
Pseudorandom number generator seed. The seed may be either a positive
unsigned 32-bit integer or, for arbitrary length seeds, an array-like
object containing unsigned 32-bit integers.
options.state: Uint32Array (optional)
Pseudorandom number generator state. If provided, the `seed` option is
ignored.
options.copy: boolean (optional)
Boolean indicating whether to copy a provided pseudorandom number
generator state. Setting this option to `false` allows sharing state
between two or more pseudorandom number generators. Setting this option
to `true` ensures that a returned generator has exclusive control over
its internal state. Default: true.
options.dtype: string (optional)
Default output array data type. Default: 'float64'.
Returns
-------
fcn: Function
Function for creating arrays.
Examples
--------
> var fcn = {{alias}}.factory();
> var out = fcn( 3, -10, 10 )
<Float64Array>
// Provide distribution parameters:
> fcn = {{alias}}.factory( -10, 10 );
> out = fcn( 3 )
<Float64Array>
{{alias}}.PRNG
Underlying pseudorandom number generator.
Examples
--------
> var prng = {{alias}}.PRNG;
{{alias}}.seed
Pseudorandom number generator seed.
Examples
--------
> var seed = {{alias}}.seed;
{{alias}}.seedLength
Length of generator seed.
Examples
--------
> var len = {{alias}}.seedLength;
{{alias}}.state
Generator state.
Examples
--------
> var out = {{alias}}( 3, -10, 10 )
<Float64Array>
// Get a copy of the current state:
> var state = {{alias}}.state
<Uint32Array>
> out = {{alias}}( 3, -10, 10 )
<Float64Array>
> out = {{alias}}( 3, -10, 10 )
<Float64Array>
// Set the state:
> {{alias}}.state = state;
// Regenerate a previous array:
> out = {{alias}}( 3, -10, 10 )
<Float64Array>
{{alias}}.stateLength
Length of generator state.
Examples
--------
> var len = {{alias}}.stateLength;
{{alias}}.byteLength
Size (in bytes) of generator state.
Examples
--------
> var sz = {{alias}}.byteLength;
See Also
--------