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* @license Apache-2.0
*
* Copyright (c) 2022 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 addon = require( './../src/addon.node' );
// MAIN //
/**
* Returns an integer corresponding to the unbiased exponent of a single-precision floating-point number.
*
* @private
* @param {number} x - single-precision floating-point number
* @returns {integer8} unbiased exponent
*
* @example
* var toFloat32 = require( '@stdlib/number/float64/base/to-float32' );
*
* var exp = exponentf( toFloat32( 3.14e34 ) ); // => 2**114 ~ 2.08e34
* // returns 114
*
* @example
* var toFloat32 = require( '@stdlib/number/float64/base/to-float32' );
*
* var exp = exponentf( toFloat32( 3.14e-34 ) ); // => 2**-112 ~ 1.93e-34
* // returns -112
*
* @example
* var toFloat32 = require( '@stdlib/number/float64/base/to-float32' );
*
* var exp = exponentf( toFloat32( -3.14 ) );
* // returns 1
*
* @example
* var exp = exponentf( 0.0 );
* // returns -127
*
* @example
* var exp = exponentf( NaN );
* // returns 128
*/
function exponentf( x ) {
return addon( x );
}
// EXPORTS //
module.exports = exponentf;
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