1 files changed, 52 insertions, 0 deletions
diff --git a/src/runtime/float_go.cgo b/src/runtime/float_go.cgo
new file mode 100644
index 000000000..518d55950
--- /dev/null
+++ b/src/runtime/float_go.cgo
@@ -0,0 +1,52 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package math
+
+#include "runtime.h"
+
+func Frexp(f float64) (frac float64, exp int32) {
+	frac = frexp(f, &exp);
+}
+
+func Ldexp(frac float64, exp int32) (f float64) {
+	f = ldexp(frac, exp);
+}
+
+func Modf(f float64) (integer float64, frac float64) {
+	frac = modf(f, &integer);
+}
+
+func IsInf(f float64, sign int32) (is bool) {
+	is = isInf(f, sign);
+}
+
+func IsNaN(f float64) (is bool) {
+	is = isNaN(f);
+}
+
+func Inf(sign int32) (f float64) {
+	f = Inf(sign);
+}
+
+func NaN() (f float64) {
+	f = NaN();
+}
+
+func Float32bits(f float32) (b uint32) {
+	b = float32tobits(f);
+}
+
+func Float64bits(f float64) (b uint64) {
+	b = float64tobits(f);
+}
+
+func Float32frombits(b uint32) (f float32) {
+	f = float32frombits(b);
+}
+
+func Float64frombits(b uint64) (f float64) {
+	f = float64frombits(b);
+}
+