25 lines
593 B
JavaScript
25 lines
593 B
JavaScript
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var vows = require('vows');
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var assert = require('assert');
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var suite = vows.describe('jStat.gammafn');
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require('../env.js');
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suite.addBatch({
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'gammafn': {
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'topic': function() {
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return jStat;
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},
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// Checked against Mathematica Gamma[a]
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'check gammafn': function(jStat) {
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var tol = 0.000001;
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assert.epsilon(tol, jStat.gammafn(0.00001), 99999.422794);
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assert.epsilon(tol, jStat.gammafn(0.2), 4.590843);
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assert.equal(jStat.gammafn(10), 362880);
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assert.equal(jStat.gammafn(171.6243769536076), Infinity);
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}
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}
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});
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suite.export(module);
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