Fix ArithmeticSequence#last and ArithmeticSequence#each for non-integer sequences (#3870)

[Bug #17218]
[ruby-core:100312]

1 files changed, 2 insertions, 0 deletions

diff --git a/internal/rational.h b/internal/rational.h
index 18efd7bd5e..e53ee7b499 100644
--- a/internal/rational.h
+++ b/internal/rational.h
@@ -29,12 +29,14 @@ VALUE rb_rational_uminus(VALUE self);
 VALUE rb_rational_plus(VALUE self, VALUE other);
 VALUE rb_rational_minus(VALUE self, VALUE other);
 VALUE rb_rational_mul(VALUE self, VALUE other);
+VALUE rb_rational_div(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);
 VALUE rb_rational_abs(VALUE self);
 VALUE rb_rational_cmp(VALUE self, VALUE other);
 VALUE rb_rational_pow(VALUE self, VALUE other);
+VALUE rb_rational_floor(VALUE self, int ndigits);
 VALUE rb_numeric_quo(VALUE x, VALUE y);
 VALUE rb_float_numerator(VALUE x);
 VALUE rb_float_denominator(VALUE x);