diff options
Diffstat (limited to 'src/pkg/math/gamma.go')
| -rw-r--r-- | src/pkg/math/gamma.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pkg/math/gamma.go b/src/pkg/math/gamma.go index 7365d8e77..7c6f421ba 100644 --- a/src/pkg/math/gamma.go +++ b/src/pkg/math/gamma.go @@ -116,12 +116,12 @@ func stirling(x float64) float64 { // Gamma(±Inf) = ±Inf // Gamma(NaN) = NaN // Large values overflow to +Inf. -// Negative integer values equal ±Inf. +// Zero and negative integer arguments return ±Inf. func Gamma(x float64) float64 { const Euler = 0.57721566490153286060651209008240243104215933593992 // A001620 // special cases switch { - case x < -MaxFloat64 || x != x: // IsInf(x, -1) || IsNaN(x): + case IsInf(x, -1) || IsNaN(x): return x case x < -170.5674972726612 || x > 171.61447887182298: return Inf(1) |