Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 17x 17x 1x 1x 17x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 17x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /**
* @license Apache-2.0
*
* Copyright (c) 2025 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 isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
var defineProperty = require( '@stdlib/utils/define-property' );
var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
var float64ToFloat16 = require( '@stdlib/number/float64/base/to-float16' );
var format = require( '@stdlib/string/format' );
var toStr = require( './tostring.js' );
var toJSON = require( './tojson.js' );
// MAIN //
/**
* 16-bit half-precision floating-point number constructor.
*
* @constructor
* @param {number} value - numeric value
* @throws {TypeError} must invoke using the `new` keyword
* @throws {TypeError} value must be a number
* @returns {Float16} 16-bit half-precision floating-point number
*
* @example
* var x = new Float16( 5.0 );
* // returns <Float16>
*/
function Float16( value ) {
if ( !( this instanceof Float16 ) ) {
throw new TypeError( 'invalid invocation. Constructor must be called with the `new` keyword.' );
}
if ( !isNumber( value ) ) {
throw new TypeError( format( 'invalid argument. Value must be a number. Value: `%s`.', value ) );
}
// Store as uint16 bits (internal representation)
defineProperty( this, '_bits', {
'configurable': false,
'enumerable': false,
'writable': false,
'value': float64ToFloat16( value )
});
// Define read-only value property that converts back to number
defineProperty( this, 'value', {
'configurable': false,
'enumerable': true,
'get': function getValue() { // eslint-disable-line no-restricted-syntax
return this._bits;
}
});
return this;
}
/**
* Size (in bytes) of each component.
*
* @name BYTES_PER_ELEMENT
* @memberof Float16
* @type {integer}
* @returns {integer} size of each component
*
* @example
* var nbytes = Float16.BYTES_PER_ELEMENT;
* // returns 2
*/
setReadOnly( Float16, 'BYTES_PER_ELEMENT', 2 );
/**
* Size (in bytes) of each component.
*
* @name BYTES_PER_ELEMENT
* @memberof Float16.prototype
* @type {integer}
* @returns {integer} size of each component
*
* @example
* var x = new Float16( 5.0 );
*
* var nbytes = x.BYTES_PER_ELEMENT;
* // returns 2
*/
setReadOnly( Float16.prototype, 'BYTES_PER_ELEMENT', 2 );
/**
* Serializes a half-precision floating-point number as a string.
*
* @name toString
* @memberof Float16.prototype
* @type {Function}
* @returns {string} serialized half-precision floating-point number
*
* @example
* var x = new Float16( 5.0 );
*
* var str = x.toString();
* // returns '5'
*/
setReadOnly( Float16.prototype, 'toString', toStr );
/**
* Serializes a half-precision floating-point number as a JSON object.
*
* ## Notes
*
* - `JSON.stringify()` implicitly calls this method when stringifying a `Float16` instance.
*
* @name toJSON
* @memberof Float16.prototype
* @type {Function}
* @returns {Object} serialized half-precision floating-point number
*
* @example
* var x = new Float16( 5.0 );
*
* var obj = x.toJSON();
* // returns { 'type': 'Float16', 'value': 5.0 }
*/
setReadOnly( Float16.prototype, 'toJSON', toJSON );
// EXPORTS //
module.exports = Float16;
|