diff options
Diffstat (limited to 'src/pkg/math/log.go')
| -rw-r--r-- | src/pkg/math/log.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/pkg/math/log.go b/src/pkg/math/log.go index a786c8ce3..818f00a73 100644 --- a/src/pkg/math/log.go +++ b/src/pkg/math/log.go @@ -77,7 +77,9 @@ package math // Log(0) = -Inf // Log(x < 0) = NaN // Log(NaN) = NaN -func Log(x float64) float64 { +func Log(x float64) float64 + +func log(x float64) float64 { const ( Ln2Hi = 6.93147180369123816490e-01 /* 3fe62e42 fee00000 */ Ln2Lo = 1.90821492927058770002e-10 /* 3dea39ef 35793c76 */ @@ -90,11 +92,9 @@ func Log(x float64) float64 { L7 = 1.479819860511658591e-01 /* 3FC2F112 DF3E5244 */ ) - // TODO(rsc): Remove manual inlining of IsNaN, IsInf - // when compiler does it for us // special cases switch { - case x != x || x > MaxFloat64: // IsNaN(x) || IsInf(x, 1): + case IsNaN(x) || IsInf(x, 1): return x case x < 0: return NaN() |