route/vendor/github.com/aclements/go-moremath/mathx/gamma_test.go

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2017-10-06 15:29:20 +00:00
// Copyright 2015 The Go 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 mathx
import (
"testing"
. "github.com/aclements/go-moremath/internal/mathtest"
)
func TestGammaInc(t *testing.T) {
WantFunc(t, "GammaInc(1, %v)",
func(x float64) float64 { return GammaInc(1, x) },
map[float64]float64{
0.1: 0.095162581964040441,
0.2: 0.18126924692201815,
0.3: 0.25918177931828207,
0.4: 0.32967995396436056,
0.5: 0.39346934028736652,
0.6: 0.45118836390597361,
0.7: 0.50341469620859047,
0.8: 0.55067103588277833,
0.9: 0.59343034025940089,
1: 0.63212055882855778,
2: 0.86466471676338730,
3: 0.95021293163213605,
4: 0.98168436111126578,
5: 0.99326205300091452,
6: 0.99752124782333362,
7: 0.99908811803444553,
8: 0.99966453737209748,
9: 0.99987659019591335,
10: 0.99995460007023750,
})
WantFunc(t, "GammaInc(2, %v)",
func(x float64) float64 { return GammaInc(2, x) },
map[float64]float64{
1: 0.26424111765711528,
2: 0.59399415029016167,
3: 0.80085172652854419,
4: 0.90842180555632912,
5: 0.95957231800548726,
6: 0.98264873476333547,
7: 0.99270494427556388,
8: 0.99698083634887735,
9: 0.99876590195913317,
10: 0.99950060077261271,
})
// TODO: Test strange values.
}