README.md (2406B)
1 <!-- 2 3 @license Apache-2.0 4 5 Copyright (c) 2018 The Stdlib Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 19 --> 20 21 # Wrap Index 22 23 > Wrap an index on the interval `[0,max]`. 24 25 <!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. --> 26 27 <section class="intro"> 28 29 </section> 30 31 <!-- /.intro --> 32 33 <!-- Package usage documentation. --> 34 35 <section class="usage"> 36 37 ## Usage 38 39 ```javascript 40 var wrapIndex = require( '@stdlib/ndarray/base/wrap-index' ); 41 ``` 42 43 #### wrapIndex( idx, max ) 44 45 Wrap an index on the interval `[0,max]`. 46 47 ```javascript 48 var idx = wrapIndex( 2, 10 ); 49 // returns 2 50 51 idx = wrapIndex( -5, 10 ); 52 // returns 6 53 54 idx = wrapIndex( 15, 10 ); 55 // returns 4 56 ``` 57 58 </section> 59 60 <!-- /.usage --> 61 62 <!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 63 64 <section class="notes"> 65 66 </section> 67 68 <!-- /.notes --> 69 70 <!-- Package usage examples. --> 71 72 <section class="examples"> 73 74 ## Examples 75 76 <!-- eslint no-undef: "error" --> 77 78 ```javascript 79 var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ); 80 var wrapIndex = require( '@stdlib/ndarray/base/wrap-index' ); 81 82 var idx; 83 var out; 84 var i; 85 86 for ( i = 0; i < 100; i++ ) { 87 idx = discreteUniform( -20, 20 ); 88 out = wrapIndex( idx, 9 ); 89 console.log( '%d => [%d,%d] => %d', idx, 0, 9, out ); 90 } 91 ``` 92 93 </section> 94 95 <!-- /.examples --> 96 97 <!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 98 99 <section class="references"> 100 101 </section> 102 103 <!-- /.references --> 104 105 <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 106 107 <section class="links"> 108 109 </section> 110 111 <!-- /.links -->