admin/mruby-mruby
1
0
Fork 0
mirror of https://github.com/mruby/mruby synced 2026-06-08 16:11:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement Rational._new in C.

Browse Source
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-05-18 11:23:59 +09:00
parent e41f15747e
commit bd7328f5e6
2 changed files with 26 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mrbgems/mruby-rational/mrblib/rational.rb
-5
View File
@@ -75,11 +75,6 @@ class Numeric
end
end
class << Rational
alias_method :_new, :new
undef_method :new
end
def Rational(numerator = 0, denominator = 1)
a = numerator
b = denominator
mrbgems/mruby-rational/src/rational.c
+26 -5
View File
@@ -29,11 +29,24 @@ rational_denominator(mrb_state *mrb, mrb_value self)
}
static mrb_value
rational_initialize(mrb_state *mrb, mrb_value self)
rational_new(mrb_state *mrb, mrb_int numerator, mrb_int denominator)
{
struct mrb_rational *p = rational_ptr(self);
mrb_get_args(mrb, "ii", &p->numerator, &p->denominator);
return self;
struct RClass *c = mrb_class_get(mrb, "Rational");
struct RIStruct *s = (struct RIStruct*)mrb_obj_alloc(mrb, MRB_TT_ISTRUCT, c);
mrb_value rat = mrb_obj_value(s);
struct mrb_rational *p = rational_ptr(rat);
p->numerator = numerator;
p->denominator = denominator;
return mrb_obj_value(s);
}
static mrb_value
rational_s_new(mrb_state *mrb, mrb_value self)
{
mrb_int numerator, denominator;
mrb_get_args(mrb, "ii", &numerator, &denominator);
return rational_new(mrb, numerator, denominator);
}
#ifndef MRB_WITHOUT_FLOAT
@@ -70,6 +83,12 @@ rational_negative_p(mrb_state *mrb, mrb_value self)
return mrb_false_value();
}
static mrb_value
fix_to_r(mrb_state *mrb, mrb_value self)
{
return rational_new(mrb, mrb_fixnum(self), 1);
}
void mrb_mruby_rational_gem_init(mrb_state *mrb)
{
struct RClass *rat;
@@ -77,15 +96,17 @@ void mrb_mruby_rational_gem_init(mrb_state *mrb)
mrb_assert(sizeof(struct mrb_rational) < ISTRUCT_DATA_SIZE);
rat = mrb_define_class(mrb, "Rational", mrb_class_get(mrb, "Numeric"));
MRB_SET_INSTANCE_TT(rat, MRB_TT_ISTRUCT);
mrb_undef_class_method(mrb, rat, "new");
mrb_define_class_method(mrb, rat, "_new", rational_s_new, MRB_ARGS_REQ(2));
mrb_define_method(mrb, rat, "numerator", rational_numerator, MRB_ARGS_NONE());
mrb_define_method(mrb, rat, "denominator", rational_denominator, MRB_ARGS_NONE());
mrb_define_method(mrb, rat, "initialize", rational_initialize, MRB_ARGS_REQ(2));
#ifndef MRB_WITHOUT_FLOAT
mrb_define_method(mrb, rat, "to_f", rational_to_f, MRB_ARGS_NONE());
#endif
mrb_define_method(mrb, rat, "to_i", rational_to_i, MRB_ARGS_NONE());
mrb_define_method(mrb, rat, "to_r", rational_to_r, MRB_ARGS_NONE());
mrb_define_method(mrb, rat, "negative?", rational_negative_p, MRB_ARGS_NONE());
mrb_define_method(mrb, mrb->fixnum_class, "to_r", fix_to_r, MRB_ARGS_NONE());
}
void