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22+ < h1 > < a href ="../../../../../../index.html "> All files</ a > / < a href ="index.html "> stats/base/dists/gumbel/logpdf/lib</ a > native.js</ h1 >
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212+ < span class ="cline-any cline-neutral "> </ span > </ td > < td class ="text "> < pre class ="prettyprint lang-js "> /**
213+ * @license Apache-2.0
214+ *
215+ * Copyright (c) 2025 The Stdlib Authors.
216+ *
217+ * Licensed under the Apache License, Version 2.0 (the "License");
218+ * you may not use this file except in compliance with the License.
219+ * You may obtain a copy of the License at
220+ *
221+ * http://www.apache.org/licenses/LICENSE-2.0
222+ *
223+ * Unless required by applicable law or agreed to in writing, software
224+ * distributed under the License is distributed on an "AS IS" BASIS,
225+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
226+ * See the License for the specific language governing permissions and
227+ * limitations under the License.
228+ */
229+
230+ 'use strict';
231+
232+ // MODULES //
233+
234+ var addon = require( './../src/addon.node' );
235+
236+
237+ // MAIN //
238+
239+ /**
240+ * Evaluates the logarithm of the probability density function (PDF) for a Gumbel distribution with location parameter `mu` and scale parameter `beta` at a value `x`.
241+ *
242+ * @private
243+ * @param {number} x - input value
244+ * @param {number} mu - location parameter
245+ * @param {PositiveNumber} beta - scale parameter
246+ * @returns {number} evaluated logarithm of PDF
247+ *
248+ * @example
249+ * var y = logpdf( 0.0, 0.0, 2.0 );
250+ * // returns ~-1.693
251+ *
252+ * @example
253+ * var y = logpdf( 0.0, 0.0, 1.0 );
254+ * // returns ~-1.0
255+ *
256+ * @example
257+ * var y = logpdf( 1.0, 3.0, 2.0 );
258+ * // returns ~-2.411
259+ *
260+ * @example
261+ * var y = logpdf( NaN, 0.0, 1.0 );
262+ * // returns NaN
263+ *
264+ * @example
265+ * var y = logpdf( 0.0, NaN, 1.0 );
266+ * // returns NaN
267+ *
268+ * @example
269+ * var y = logpdf( 0.0, 0.0, NaN );
270+ * // returns NaN
271+ *
272+ * @example
273+ * // Negative scale parameter:
274+ * var y = logpdf( 2.0, 0.0, -1.0 );
275+ * // returns NaN
276+ */
277+ function logpdf( x, mu, beta ) {
278+ return addon( x, mu, beta );
279+ }
280+
281+
282+ // EXPORTS //
283+
284+ module.exports = logpdf;
285+ </ pre > </ td > </ tr > </ table > </ pre >
286+
287+ < div class ='push '> </ div > <!-- for sticky footer -->
288+ </ div > <!-- /wrapper -->
289+ < div class ='footer quiet pad2 space-top1 center small '>
290+ Code coverage generated by
291+ < a href ="https://istanbul.js.org/ " target ="_blank " rel ="noopener noreferrer "> istanbul</ a >
292+ at 2025-04-24T01:22:18.779Z
293+ </ div >
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297+ prettyPrint ( ) ;
298+ } ;
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