diff options
Diffstat (limited to 'internal/math.h')
-rw-r--r-- | internal/math.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/internal/math.h b/internal/math.h index 51d398f61e..ec46f47f48 100644 --- a/internal/math.h +++ b/internal/math.h @@ -9,6 +9,7 @@ * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. */ +#include "ruby/ruby.h" /* for VALUE */ /* math.c */ VALUE rb_math_atan2(VALUE, VALUE); |