59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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/**
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* The bias of a double-precision floating-point number's exponent.
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*
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* @module @stdlib/constants/float64/exponent-bias
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* @type {integer32}
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*
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* @example
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* var FLOAT64_EXPONENT_BIAS = require( '@stdlib/constants/float64/exponent-bias' );
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* // returns 1023
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*/
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// MAIN //
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/**
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* Bias of a double-precision floating-point number's exponent.
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*
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* ## Notes
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*
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* The bias can be computed via
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*
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* ```tex
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* \mathrm{bias} = 2^{k-1} - 1
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* ```
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*
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* where \\(k\\) is the number of bits in the exponent; here, \\(k = 11\\).
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*
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* @constant
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* @type {integer32}
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* @default 1023
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* @see [IEEE 754]{@link https://en.wikipedia.org/wiki/IEEE_754-1985}
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*/
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var FLOAT64_EXPONENT_BIAS = 1023|0; // asm type annotation
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// EXPORTS //
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module.exports = FLOAT64_EXPONENT_BIAS;
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