commit 6e9506a7b45958665c3f48deecc8555f3ee2c42b
author Shenghou Ma <minux.ma@gmail.com> Tue Aug 07 09:57:14 2012 +0800
committer Shenghou Ma <minux.ma@gmail.com> Tue Aug 07 09:57:14 2012 +0800
tree 4cc2d8f39f001caf2b5e78b6483f3a22ebc21a33
parent 41645847b4f5187c088149f1177e8a3fc7d1f373

math, runtime: use a NaN that matches gcc's
        our old choice is not working properly at least on VFPv2 in
ARM1136JF-S (it's not preserved across float64->float32 conversions).

        Fixes #3745.

R=dave, rsc
CC=golang-dev
https://golang.org/cl/6344078

src/pkg/math/bits.go

diff --git a/src/pkg/math/bits.go b/src/pkg/math/bits.go
index 1cf60ce..0df0b1c 100644
--- a/src/pkg/math/bits.go
+++ b/src/pkg/math/bits.go
@@ -5,7 +5,7 @@
 package math
 
 const (
-	uvnan    = 0x7FF0000000000001
+	uvnan    = 0x7FF8000000000001
 	uvinf    = 0x7FF0000000000000
 	uvneginf = 0xFFF0000000000000
 	mask     = 0x7FF