All files / number/float32/base/exponent/lib index.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2018 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';
 
/**
* Return an integer corresponding to the unbiased exponent of a single-precision floating-point number.
*
* @module @stdlib/number/float32/base/exponent
*
* @example
* var exponent = require( '@stdlib/number/float32/base/exponent' );
* var toFloat32 = require( '@stdlib/number/float64/base/to-float32' );
*
* var exp = exponent( toFloat32( 3.14e34 ) );
* // returns 114 => 2**114 ~ 2.08e34
*
* exp = exponent( toFloat32( 3.14e-34 ) );
* // returns -112 => 2**-112 ~ 1.93e-34
*
* exp = exponent( toFloat32( -3.14 ) );
* // returns 1
*
* exp = exponent( 0 );
* // returns 0
*
* exp = exponent( NaN );
* // returns 128
*/
 
// MODULES //
 
var main = require( './main.js' );
 
 
// EXPORTS //
 
module.exports = main;