diff options
Diffstat (limited to 'internal/rational.h')
| -rw-r--r-- | internal/rational.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/internal/rational.h b/internal/rational.h index f11fab4583..6861a90130 100644 --- a/internal/rational.h +++ b/internal/rational.h @@ -28,6 +28,7 @@ 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_rational_fdiv(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); @@ -37,7 +38,9 @@ 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_flo_round_by_rational(int argc, VALUE *argv, VALUE num); +VALUE rb_flo_round_by_rational(VALUE num, int ndigits, enum ruby_num_rounding_mode mode); +VALUE rb_flo_ceil_by_rational(VALUE num, int ndigits); +VALUE rb_flo_floor_by_rational(VALUE num, int ndigits); VALUE rb_float_numerator(VALUE x); VALUE rb_float_denominator(VALUE x); @@ -68,4 +71,22 @@ RATIONAL_SET_DEN(VALUE r, VALUE d) RB_OBJ_WRITE(r, &RRATIONAL(r)->den, d); } +inline static bool +f_zero_p(VALUE x) +{ + if (RB_INTEGER_TYPE_P(x)) { + return FIXNUM_ZERO_P(x); + } + else if (RB_FLOAT_TYPE_P(x)) { + return FLOAT_ZERO_P(x); + } + else if (RB_TYPE_P(x, T_RATIONAL)) { + const VALUE num = RRATIONAL(x)->num; + return FIXNUM_ZERO_P(num); + } + return rb_equal(x, INT2FIX(0)) != 0; +} + +#define f_nonzero_p(x) (!f_zero_p(x)) + #endif /* INTERNAL_RATIONAL_H */ |