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-rw-r--r--internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/internal.h b/internal.h
index 15cad55..77fad73 100644
--- a/internal.h
+++ b/internal.h
@@ -1204,6 +1204,7 @@ rb_pid_t rb_fork_ruby(int *status);
void rb_last_status_clear(void);
/* rational.c */
+VALUE rb_rational_add(VALUE self, VALUE other);
VALUE rb_lcm(VALUE x, VALUE y);
VALUE rb_rational_reciprocal(VALUE x);
VALUE rb_cstr_to_rat(const char *, int);