time-to-botec

Benchmark sampling in different programming languages
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main.js (1538B)

      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 The Stdlib Authors.
      5 *
      6 * Licensed under the Apache License, Version 2.0 (the "License");
      7 * you may not use this file except in compliance with the License.
      8 * You may obtain a copy of the License at
      9 *
     10 *    http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing, software
     13 * distributed under the License is distributed on an "AS IS" BASIS,
     14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15 * See the License for the specific language governing permissions and
     16 * limitations under the License.
     17 */
     18 
     19 'use strict';
     20 
     21 // MODULES //
     22 
     23 var lpad = require( '@stdlib/string/left-pad' );
     24 var div2 = require( './div2.js' );
     25 
     26 
     27 // VARIABLES //
     28 
     29 var NBITS = 8;
     30 
     31 
     32 // MAIN //
     33 
     34 /**
     35 * Returns a string giving the literal bit representation of an unsigned 8-bit integer.
     36 *
     37 * @param {uinteger8} x - input value
     38 * @returns {BinaryString} bit representation
     39 *
     40 * @example
     41 * var a = new Uint8Array( [ 1 ] );
     42 * var str = toBinaryString( a[0] );
     43 * // returns '00000001'
     44 *
     45 * @example
     46 * var a = new Uint8Array( [ 4 ] );
     47 * var str = toBinaryString( a[0] );
     48 * // returns '00000100'
     49 *
     50 * @example
     51 * var a = new Uint8Array( [ 9 ] );
     52 * var str = toBinaryString( a[0] );
     53 * // returns '00001001'
     54 */
     55 function toBinaryString( x ) {
     56 	var b;
     57 
     58 	// Convert the input value to a bit string:
     59 	b = div2( x );
     60 
     61 	// Left pad the bit string to ensure 8 bits are represented:
     62 	b = lpad( b, NBITS, '0' );
     63 
     64 	return b;
     65 }
     66 
     67 
     68 // EXPORTS //
     69 
     70 module.exports = toBinaryString;