forked from stdlib-js/stdlib
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathmain.js
More file actions
77 lines (64 loc) · 1.88 KB
/
main.js
File metadata and controls
77 lines (64 loc) · 1.88 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/**
* @license Apache-2.0
*
* Copyright (c) 2022 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var Complex128 = require( '@stdlib/complex/float64/ctor' );
var Complex64 = require( '@stdlib/complex/float32/ctor' );
var full = require( '@stdlib/array/full' );
var defaults = require( '@stdlib/array/defaults' );
// VARIABLES //
var Z128 = new Complex128( 1.0, 0.0 );
var Z64 = new Complex64( 1.0, 0.0 );
var DEFAULT_DTYPE = defaults.get( 'dtypes.default' );
// MAIN //
/**
* Creates an array filled with ones and having a specified length.
*
* @param {NonNegativeInteger} length - array length
* @param {string} [dtype="float64"] - data type
* @throws {TypeError} first argument must be a nonnegative integer
* @throws {TypeError} second argument must be a recognized data type
* @returns {(TypedArray|Array|ComplexArray)} array or typed array
*
* @example
* var arr = ones( 2 );
* // returns <Float64Array>[ 1.0, 1.0 ]
*
* @example
* var arr = ones( 2, 'float32' );
* // returns <Float32Array>[ 1.0, 1.0 ]
*/
function ones( length ) {
var dtype;
var value;
if ( arguments.length > 1 ) {
dtype = arguments[ 1 ];
} else {
dtype = DEFAULT_DTYPE;
}
if ( dtype === 'complex128' ) {
value = Z128;
} else if ( dtype === 'complex64' ) {
value = Z64;
} else {
value = 1;
}
return full( length, value, dtype );
}
// EXPORTS //
module.exports = ones;