time-to-botec

Benchmark sampling in different programming languages
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README.md (2073B)


      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
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     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.
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     19 -->
     20 
     21 # toFloat32
     22 
     23 > Convert a [double-precision floating-point number][ieee754] to the nearest [single-precision floating-point number][ieee754].
     24 
     25 <section class="usage">
     26 
     27 ## Usage
     28 
     29 ```javascript
     30 var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
     31 ```
     32 
     33 #### float64ToFloat32( x )
     34 
     35 Converts a [double-precision floating-point number][ieee754] to the nearest [single-precision floating-point number][ieee754].
     36 
     37 ```javascript
     38 var y = float64ToFloat32( 1.337 );
     39 // returns 1.3370000123977661
     40 ```
     41 
     42 </section>
     43 
     44 <!-- /.usage -->
     45 
     46 <section class="notes">
     47 
     48 ## Notes
     49 
     50 -   This function may be used as a polyfill for the ES2015 built-in [`Math.fround`][math-fround].
     51 
     52 </section>
     53 
     54 <!-- /.notes -->
     55 
     56 <section class="examples">
     57 
     58 ## Examples
     59 
     60 <!-- eslint no-undef: "error" -->
     61 
     62 ```javascript
     63 var randu = require( '@stdlib/random/base/randu' );
     64 var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
     65 
     66 var f64;
     67 var f32;
     68 var i;
     69 
     70 // Convert random double-precision floating-point numbers to the nearest single-precision floating-point number...
     71 for ( i = 0; i < 1000; i++ ) {
     72     f64 = randu() * 100.0;
     73     f32 = float64ToFloat32( f64 );
     74     console.log( 'float64: %d => float32: %d', f64, f32 );
     75 }
     76 ```
     77 
     78 </section>
     79 
     80 <!-- /.examples -->
     81 
     82 <section class="links">
     83 
     84 [ieee754]: https://en.wikipedia.org/wiki/IEEE_754-1985
     85 
     86 [math-fround]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
     87 
     88 </section>
     89 
     90 <!-- /.links -->