-
Notifications
You must be signed in to change notification settings - Fork 16
Expand file tree
/
Copy patherf.go
More file actions
54 lines (49 loc) · 1.02 KB
/
erf.go
File metadata and controls
54 lines (49 loc) · 1.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
// Copyright 2010 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 math
// Erf returns the error function of x.
//
// Special cases are:
//
// Erf(+Inf) = 1
// Erf(-Inf) = -1
// Erf(NaN) = NaN
func Erf(x float64) float64 {
return erf(x)
}
// Erfc returns the complementary error function of x.
//
// Special cases are:
//
// Erfc(+Inf) = 0
// Erfc(-Inf) = 2
// Erfc(NaN) = NaN
func Erfc(x float64) float64 {
return erfc(x)
}
// Gamma returns the Gamma function of x.
//
// Special cases are:
//
// Gamma(+Inf) = +Inf
// Gamma(+0) = +Inf
// Gamma(-0) = -Inf
// Gamma(x) = NaN for integer x < 0
// Gamma(-Inf) = NaN
// Gamma(NaN) = NaN
func Gamma(x float64) float64 {
return tgamma(x)
}
// Lgamma returns the natural logarithm of [Gamma](x).
//
// Special cases are:
//
// Lgamma(+Inf) = +Inf
// Lgamma(0) = +Inf
// Lgamma(-integer) = +Inf
// Lgamma(-Inf) = -Inf
// Lgamma(NaN) = NaN
func Lgamma(x float64) float64 {
return lgamma(x)
}