From bd2e46c8255fad4e75e589b3286ead560e910b39 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 3 Oct 2012 05:27:36 +0000
Subject: libgo: Update to Go 1.0.3.

From-SVN: r192025
---
 libgo/go/math/all_test.go  | 11 +++++++++++
 libgo/go/math/big/nat.go   |  2 +-
 libgo/go/math/bits.go      |  2 +-
 libgo/go/math/remainder.go |  2 +-
 4 files changed, 14 insertions(+), 3 deletions(-)

(limited to 'libgo/go/math')

diff --git a/libgo/go/math/all_test.go b/libgo/go/math/all_test.go
index ed66a42..35c33ce 100644
--- a/libgo/go/math/all_test.go
+++ b/libgo/go/math/all_test.go
@@ -1693,6 +1693,17 @@ func alike(a, b float64) bool {
 	return false
 }
 
+func TestNaN(t *testing.T) {
+	f64 := NaN()
+	if f64 == f64 {
+		t.Fatalf("NaN() returns %g, expected NaN", f64)
+	}
+	f32 := float32(f64)
+	if f32 == f32 {
+		t.Fatalf("float32(NaN()) is %g, expected NaN", f32)
+	}
+}
+
 func TestAcos(t *testing.T) {
 	for i := 0; i < len(vf); i++ {
 		a := vf[i] / 10
diff --git a/libgo/go/math/big/nat.go b/libgo/go/math/big/nat.go
index eaa6ff06..6d81823 100644
--- a/libgo/go/math/big/nat.go
+++ b/libgo/go/math/big/nat.go
@@ -396,7 +396,7 @@ func (z nat) mul(x, y nat) nat {
 	}
 
 	// use basic multiplication if the numbers are small
-	if n < karatsubaThreshold || n < 2 {
+	if n < karatsubaThreshold {
 		z = z.make(m + n)
 		basicMul(z, x, y)
 		return z.norm()
diff --git a/libgo/go/math/bits.go b/libgo/go/math/bits.go
index 1cf60ce..0df0b1c 100644
--- a/libgo/go/math/bits.go
+++ b/libgo/go/math/bits.go
@@ -5,7 +5,7 @@
 package math
 
 const (
-	uvnan    = 0x7FF0000000000001
+	uvnan    = 0x7FF8000000000001
 	uvinf    = 0x7FF0000000000000
 	uvneginf = 0xFFF0000000000000
 	mask     = 0x7FF
diff --git a/libgo/go/math/remainder.go b/libgo/go/math/remainder.go
index a233e8e..98bb04d 100644
--- a/libgo/go/math/remainder.go
+++ b/libgo/go/math/remainder.go
@@ -4,7 +4,7 @@
 
 package math
 
-// The original C code and the the comment below are from
+// The original C code and the comment below are from
 // FreeBSD's /usr/src/lib/msun/src/e_remainder.c and came
 // with this notice.  The go code is a simplified version of
 // the original C.
-- 
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