pkg/math: undo manual inlining of IsInf and IsNaN
R=rsc
CC=golang-dev
https://golang.org/cl/5484076
diff --git a/src/pkg/math/acosh.go b/src/pkg/math/acosh.go
index 8d55637..c6c8645 100644
--- a/src/pkg/math/acosh.go
+++ b/src/pkg/math/acosh.go
@@ -44,11 +44,9 @@
Ln2 = 6.93147180559945286227e-01 // 0x3FE62E42FEFA39EF
Large = 1 << 28 // 2**28
)
- // TODO(rsc): Remove manual inlining of IsNaN
- // when compiler does it for us
// first case is special case
switch {
- case x < 1 || x != x: // x < 1 || IsNaN(x):
+ case x < 1 || IsNaN(x):
return NaN()
case x == 1:
return 0
