57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var CTORS = require( './ctors.js' );
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// MAIN //
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/**
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* Creates a complex number.
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*
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* @param {number} real - real component
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* @param {number} imag - imaginary component
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* @param {string} [dtype="float64"] - data type
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* @throws {TypeError} must provide a recognized data type
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* @returns {Complex} complex number
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*
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* @example
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* var z = complex( 5.0, 3.0, 'float64' );
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* // returns <Complex128>
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*/
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function complex( real, imag, dtype ) {
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var ctor;
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if ( arguments.length > 2 ) {
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ctor = CTORS[ dtype ];
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if ( ctor ) {
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return new ctor( real, imag );
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}
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throw new TypeError( 'invalid argument. Must provide a recognized data type. Value: `'+dtype+'`.' );
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}
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return new CTORS[ 'float64' ]( real, imag );
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}
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// EXPORTS //
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module.exports = complex;
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