diff options
Diffstat (limited to 'math.c')
-rw-r--r-- | math.c | 9 |
1 files changed, 3 insertions, 6 deletions
@@ -146,8 +146,7 @@ math_atan(VALUE obj, VALUE x) #ifndef HAVE_COSH double -cosh(x) - double x; +cosh(double x) { return (exp(x) + exp(-x)) / 2; } @@ -170,8 +169,7 @@ math_cosh(VALUE obj, VALUE x) #ifndef HAVE_SINH double -sinh(x) - double x; +sinh(double x) { return (exp(x) - exp(-x)) / 2; } @@ -194,8 +192,7 @@ math_sinh(VALUE obj, VALUE x) #ifndef HAVE_TANH double -tanh(x) - double x; +tanh(double x) { return sinh(x) / cosh(x); } |