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-rw-r--r--src/math/__sin.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/math/__sin.c b/src/math/__sin.c
index 80f3273c..9aead04b 100644
--- a/src/math/__sin.c
+++ b/src/math/__sin.c
@@ -42,7 +42,6 @@
#include "libm.h"
static const double
-half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */
S1 = -1.66666666666666324348e-01, /* 0xBFC55555, 0x55555549 */
S2 = 8.33333333332248946124e-03, /* 0x3F811111, 0x1110F8A6 */
S3 = -1.98412698298579493134e-04, /* 0xBF2A01A0, 0x19C161D5 */
@@ -61,5 +60,5 @@ double __sin(double x, double y, int iy)
if (iy == 0)
return x + v*(S1 + z*r);
else
- return x - ((z*(half*y - v*r) - y) - v*S1);
+ return x - ((z*(0.5*y - v*r) - y) - v*S1);
}