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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';
// MODULES //
var normalize = require( './assign.js' );
// MAIN //
/**
* Returns a normal number `y` and exponent `exp` satisfying \\(x = y \cdot 2^\mathrm{exp}\\).
*
* @param {number} x - single-precision floating-point number
* @returns {Array<number>} output array
*
* @example
* var toFloat32 = require( '@stdlib/number/float64/base/to-float32' );
*
* var v = normalizef( toFloat32( 1.401e-45 ) );
* // returns [ 1.1754943508222875e-38, -23 ]
*
* @example
* var v = normalizef( 0.0 );
* // returns [ 0.0, 0 ]
*
* @example
* var PINF = require( '@stdlib/constants/float32/pinf' );
*
* var v = normalizef( PINF );
* // returns [ +Infinity, 0 ]
*
* @example
* var NINF = require( '@stdlib/constants/float32/ninf' );
*
* var v = normalizef( NINF );
* // returns [ -Infinity, 0 ]
*
* @example
* var v = normalizef( NaN );
* // returns [ NaN, 0 ]
*/
function normalizef( x ) {
return normalize( x, [ 0.0, 0.0 ], 1, 0 );
}
// EXPORTS //
module.exports = normalizef;
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