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Closes #32

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This commit is contained in:
Kent English
2017-02-22 23:18:01 -05:00
parent 895b77093e
commit a94452c8c8
6 changed files with 10 additions and 10 deletions
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2
internal/cephes/cephes.go
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@@ -15,7 +15,7 @@ https://lists.debian.org/debian-legal/2004/12/msg00295.html
*/ */
var ( var (
badParamOutOfBounds = "cephes: parameter out of bounds" paramOutOfBounds = "cephes: parameter out of bounds"
badParamUnderflow = "cephes: underflow error" badParamUnderflow = "cephes: underflow error"
badParamFunctionSingularity = "cephes: function singularity" badParamFunctionSingularity = "cephes: function singularity"
) )

4
internal/cephes/igam.go
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@@ -135,7 +135,7 @@ func Igam(a, x float64) float64 {
} }
if x < 0 || a <= 0 { if x < 0 || a <= 0 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
// Asymptotic regime where a ~ x; see [2]. // Asymptotic regime where a ~ x; see [2].
@@ -155,7 +155,7 @@ func Igam(a, x float64) float64 {
// IgamC computes the complement of the incomplete Gamma integral // IgamC computes the complement of the incomplete Gamma integral
func IgamC(a, x float64) float64 { func IgamC(a, x float64) float64 {
if x < 0 || a <= 0 { if x < 0 || a <= 0 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} else if x == 0 { } else if x == 0 {
return 1 return 1
} else if math.IsInf(x, 0) { } else if math.IsInf(x, 0) {

2
internal/cephes/igami.go
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@@ -78,7 +78,7 @@ func IgamI(a, y0 float64) float64 {
dithresh := 5.0 * machEp dithresh := 5.0 * machEp
if y0 < 0 || y0 > 1 || a <= 0 { if y0 < 0 || y0 > 1 || a <= 0 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
if y0 == 0 { if y0 == 0 {

4
internal/cephes/incbeta.go
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@@ -24,7 +24,7 @@ const (
// Incbet computes the regularized incomplete beta function. // Incbet computes the regularized incomplete beta function.
func Incbet(aa, bb, xx float64) float64 { func Incbet(aa, bb, xx float64) float64 {
if aa <= 0 || bb <= 0 { if aa <= 0 || bb <= 0 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
if xx <= 0 || xx >= 1 { if xx <= 0 || xx >= 1 {
if xx == 0 { if xx == 0 {
@@ -33,7 +33,7 @@ func Incbet(aa, bb, xx float64) float64 {
if xx == 1 { if xx == 1 {
return 1 return 1
} }
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
var flag int var flag int

4
internal/cephes/ndtri.go
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@@ -108,13 +108,13 @@ func Ndtri(y0 float64) float64 {
if y0 <= 0.0 { if y0 <= 0.0 {
if y0 < 0 { if y0 < 0 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
return math.Inf(-1) return math.Inf(-1)
} }
if y0 >= 1.0 { if y0 >= 1.0 {
if y0 > 1 { if y0 > 1 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
return math.Inf(1) return math.Inf(1)
} }

4
internal/cephes/zeta.go
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@@ -82,7 +82,7 @@ func Zeta(x, q float64) float64 {
} }
if x < 1 { if x < 1 {
panic(badParamOutOfBounds) panic(paramOutOfBounds)
} }
if q <= 0 { if q <= 0 {
@@ -90,7 +90,7 @@ func Zeta(x, q float64) float64 {
panic(badParamFunctionSingularity) panic(badParamFunctionSingularity)
} }
if x != math.Floor(x) { if x != math.Floor(x) {
panic(badParamOutOfBounds) // because q^-x not defined panic(paramOutOfBounds) // because q^-x not defined
} }
} }