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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 fb184e290c..bd82231d37 100644
--- a/internal.h
+++ b/internal.h
@@ -2029,6 +2029,7 @@ VALUE rb_rational_abs(VALUE self);
VALUE rb_rational_cmp(VALUE self, VALUE other);
VALUE rb_rational_pow(VALUE self, VALUE other);
VALUE rb_numeric_quo(VALUE x, VALUE y);
+VALUE rb_float_denominator(VALUE x);
/* re.c */
VALUE rb_reg_compile(VALUE str, int options, const char *sourcefile, int sourceline);