README.md (2837B)
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 # Index Modes 22 23 > List of ndarray index modes. 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 modes = require( '@stdlib/ndarray/index-modes' ); 41 ``` 42 43 #### modes() 44 45 Returns a list of ndarray index modes. 46 47 ```javascript 48 var out = modes(); 49 // returns [ 'throw', 'clamp', 'wrap' ] 50 ``` 51 52 The output `array` contains the following modes: 53 54 - `throw`: specifies that a function should throw an error when an index is outside a restricted interval. 55 - `wrap`: specifies that a function should wrap around an index using modulo arithmetic. 56 - `clamp`: specifies that a function should set an index less than `0` to `0` (minimum index) and set an index greater than a maximum index value to the maximum possible index. 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 indexOf = require( '@stdlib/utils/index-of' ); 80 var modes = require( '@stdlib/ndarray/index-modes' ); 81 82 var MODES = modes(); 83 var bool; 84 85 function isMode( str ) { 86 if ( indexOf( MODES, str ) === -1 ) { 87 return false; 88 } 89 return true; 90 } 91 92 bool = isMode( 'throw' ); 93 // returns true 94 95 bool = isMode( 'clamp' ); 96 // returns true 97 98 bool = isMode( 'wrap' ); 99 // returns true 100 101 bool = isMode( 'beep' ); 102 // returns false 103 ``` 104 105 </section> 106 107 <!-- /.examples --> 108 109 <!-- 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. --> 110 111 <section class="references"> 112 113 </section> 114 115 <!-- /.references --> 116 117 <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 118 119 <section class="links"> 120 121 </section> 122 123 <!-- /.links -->