26 lines
672 B
JavaScript
26 lines
672 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.gammap');
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require('../env.js');
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suite.addBatch({
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'gammap': {
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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, 0, x]
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// Also checked against R's gammainc(x, a) via the pracma library
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// gammainc() outputs three values, this matches 'lowinc'
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'check gammap': function(jStat) {
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var tol = 0.000001;
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assert.epsilon(tol, jStat.gammap(5, 5), 13.4281611);
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assert.epsilon(tol, jStat.gammap(5, 4), 8.90791355);
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assert.epsilon(tol, jStat.gammap(5, 7), 19.8482014);
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}
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}
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});
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suite.export(module);
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