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28 lines
561 B
Go
28 lines
561 B
Go
// Copyright ©2016 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package mathext
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import (
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"math"
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"testing"
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)
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func TestMvLgamma(t *testing.T) {
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// Values compared with scipy
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for i, test := range []struct {
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v float64
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dim int
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ans float64
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}{
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{10, 5, 58.893841851237397},
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{3, 1, 0.69314718055994529},
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} {
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ans := MvLgamma(test.v, test.dim)
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if math.Abs(test.ans-ans) > 1e-14 {
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t.Errorf("Case %v. got=%v want=%v.", i, ans, test.ans)
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}
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}
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}
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