diff options
Diffstat (limited to 'mrbgems/mruby-cmath/src')
| -rw-r--r-- | mrbgems/mruby-cmath/src/cmath.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mrbgems/mruby-cmath/src/cmath.c b/mrbgems/mruby-cmath/src/cmath.c index 9eeadd019..19da2eae2 100644 --- a/mrbgems/mruby-cmath/src/cmath.c +++ b/mrbgems/mruby-cmath/src/cmath.c @@ -116,6 +116,11 @@ cmath_log(mrb_state *mrb, mrb_value self) { mrb_float real, imag; mrb_int n = mrb_get_args(mrb, "o|f", &z, &base); + +#ifndef M_E +#define M_E F(exp)(1.0) +#endif + if (n == 1) base = M_E; if (cmath_get_complex(mrb, z, &real, &imag) || real < 0.0) { mrb_complex c = CX(real,imag); |