blob: d9a48978b3ecdc4cf294e4de34f85013894d7d40 [file] [log] [blame]
// Copyright ©2016 The Gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mathext
import (
"math"
"testing"
)
func TestMvLgamma(t *testing.T) {
t.Parallel()
// Values compared with scipy
for i, test := range []struct {
v float64
dim int
ans float64
}{
{10, 5, 58.893841851237397},
{3, 1, 0.69314718055994529},
} {
ans := MvLgamma(test.v, test.dim)
if math.Abs(test.ans-ans) > 1e-13 {
t.Errorf("Case %v. got=%v want=%v.", i, ans, test.ans)
}
}
}