61 lines
1.5 KiB
JavaScript
61 lines
1.5 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 Complex128 = require( '@stdlib/complex/float64' );
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var Complex64 = require( '@stdlib/complex/float32' );
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var constructorName = require( '@stdlib/utils/constructor-name' );
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// MAIN //
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/**
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* Tests if a value is a 64-bit or 128-bit complex number.
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*
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* @param {*} value - value to test
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* @returns {boolean} boolean indicating if a value is a 64-bit or 128-bit complex number
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*
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* @example
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* var Complex128 = require( '@stdlib/complex/float64' );
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* var Complex64 = require( '@stdlib/complex/float32' );
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*
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* var x = new Complex128( 4.0, 2.0 );
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* var bool = isComplex( x );
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* // returns true
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*
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* x = new Complex64( 4.0, 2.0 );
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* bool = isComplex( x );
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* // returns true
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*/
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function isComplex( value ) {
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var type;
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if ( value instanceof Complex128 || value instanceof Complex64 ) {
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return true;
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}
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type = constructorName( value );
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return ( type === 'Complex64' || type === 'Complex128' );
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}
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// EXPORTS //
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module.exports = isComplex;
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