diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libm/tanh.c')
-rw-r--r-- | mdk-stage1/dietlibc/libm/tanh.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libm/tanh.c b/mdk-stage1/dietlibc/libm/tanh.c new file mode 100644 index 000000000..21dc3d0c0 --- /dev/null +++ b/mdk-stage1/dietlibc/libm/tanh.c @@ -0,0 +1,7 @@ +#include <math.h> + +double tanh ( double x ) +{ + long double y = exp (x + x); + return (y - 1.) / (y + 1.); +} |