/**
* @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';

/**
* Serializes a complex number as a string.
*
* @private
* @returns {string} serialized complex number
*/
function toString() { // eslint-disable-line stdlib/no-redeclare
	/* eslint-disable no-invalid-this */
	var str = '' + this.re;
	if ( this.im < 0 ) {
		str += ' - ' + (-this.im);
	} else {
		str += ' + ' + this.im;
	}
	str += 'i';
	return str;
}


// EXPORTS //

module.exports = toString;