aboutsummaryrefslogtreecommitdiff
path: root/libgo/go/math/sin.go
diff options
context:
space:
mode:
Diffstat (limited to 'libgo/go/math/sin.go')
-rw-r--r--libgo/go/math/sin.go12
1 files changed, 11 insertions, 1 deletions
diff --git a/libgo/go/math/sin.go b/libgo/go/math/sin.go
index b2a3f8a..2fbe3e7 100644
--- a/libgo/go/math/sin.go
+++ b/libgo/go/math/sin.go
@@ -113,7 +113,12 @@ var _cos = [...]float64{
// Special cases are:
// Cos(±Inf) = NaN
// Cos(NaN) = NaN
+func libc_cos(float64) float64 __asm__("cos")
func Cos(x float64) float64 {
+ return libc_cos(x)
+}
+
+func cos(x float64) float64 {
const (
PI4A = 7.85398125648498535156E-1 // 0x3fe921fb40000000, Pi/4 split into three parts
PI4B = 3.77489470793079817668E-8 // 0x3e64442d00000000,
@@ -166,11 +171,16 @@ func Cos(x float64) float64 {
// Sin returns the sine of x.
//
-// Special conditions are:
+// Special cases are:
// Sin(±0) = ±0
// Sin(±Inf) = NaN
// Sin(NaN) = NaN
+func libc_sin(float64) float64 __asm__("sin")
func Sin(x float64) float64 {
+ return libc_sin(x)
+}
+
+func sin(x float64) float64 {
const (
PI4A = 7.85398125648498535156E-1 // 0x3fe921fb40000000, Pi/4 split into three parts
PI4B = 3.77489470793079817668E-8 // 0x3e64442d00000000,