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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';
// MAIN //
/**
* Computes the real part of the quotient.
*
* ## Notes
*
* - See figure 10 of [Baudin (2012)][@baudin:2012].
*
* [@baudin:2012]: https://arxiv.org/abs/1210.4539
*
* @private
* @param {number} re1 - real component
* @param {number} im1 - imaginary component
* @param {number} re2 - real component
* @param {number} im2 - imaginary component
* @param {number} r - partial result
* @param {number} t - partial result
* @returns {number} real part of the quotient
*/
function internalCompreal( re1, im1, re2, im2, r, t ) {
var br;
if ( r === 0.0 ) {
return ( re1 + (im2 * (im1/re2)) ) * t;
}
br = im1 * r;
if ( br === 0.0 ) {
return ( re1*t ) + ( (im1*t) * r );
}
return ( re1+br ) * t;
}
// EXPORTS //
module.exports = internalCompreal;
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