47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
/**
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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 hasOwnProp = require( '@stdlib/assert/has-own-property' );
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var PMF = require( './pmf.js' );
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// MAIN //
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/**
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* Returns the probability mass function (PMF) corresponding to a provided distribution name.
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*
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* @private
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* @param {string} name - distribution name
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* @returns {(Function|Error)} a probability mass function (PMF) or an error
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*/
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function getPMF( name ) {
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if ( !hasOwnProp( PMF, name ) ) {
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return new Error( 'invalid argument. Unsupported/unrecognized distribution name. Value: `' + name + '`.' );
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}
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return PMF[ name ];
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}
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// EXPORTS //
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module.exports = getPMF;
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