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Define Integer#remainder instead of Bignum#remainder.

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* numeric.c (int_remainder): Define Integer#remainder.

* bignum.c (rb_big_remainder): Don't define Bignum#remainder.

* internal.h (rb_big_remainder): Declared.




git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54838 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2016-04-30 08:27:30 +00:00
parent ae225a2ca8
commit 635cff451f
4 changed files with 45 additions and 11 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Sat Apr 30 16:58:18 2016 Tanaka Akira <akr@fsij.org>
* numeric.c (int_remainder): Define Integer#remainder.
* bignum.c (rb_big_remainder): Don't define Bignum#remainder.
* internal.h (rb_big_remainder): Declared.
Sat Apr 30 15:29:24 2016 Tanaka Akira <akr@fsij.org>
* numeric.c (rb_int_uminus): {Fixnum,Bignum}#-@ is unified into

12
bignum.c
View file

@ -6128,16 +6128,7 @@ rb_big_modulo(VALUE x, VALUE y)
return bignorm(z);
}
/*
* call-seq:
* big.remainder(numeric) -> number
*
* Returns the remainder after dividing <i>big</i> by <i>numeric</i>.
*
* -1234567890987654321.remainder(13731) #=> -6966
* -1234567890987654321.remainder(13731.24) #=> -9906.22531493148
*/
static VALUE
VALUE
rb_big_remainder(VALUE x, VALUE y)
{
VALUE z;
@ -6888,7 +6879,6 @@ Init_Bignum(void)
rb_define_method(rb_cBignum, "*", rb_big_mul, 1);
rb_define_method(rb_cBignum, "/", rb_big_div, 1);
rb_define_method(rb_cBignum, "%", rb_big_modulo, 1);
rb_define_method(rb_cBignum, "remainder", rb_big_remainder, 1);
rb_define_method(rb_cBignum, "==", rb_big_eq, 1);
rb_define_method(rb_cBignum, ">", big_gt, 1);

1
internal.h
View file

@ -786,6 +786,7 @@ VALUE rb_big_aref(VALUE x, VALUE y);
VALUE rb_big_abs(VALUE x);
VALUE rb_big_size_m(VALUE big);
VALUE rb_big_bit_length(VALUE big);
VALUE rb_big_remainder(VALUE x, VALUE y);
/* class.c */
VALUE rb_class_boot(VALUE);

35
numeric.c
View file

@ -3536,6 +3536,40 @@ rb_int_modulo(VALUE x, VALUE y)
return num_modulo(x, y);
}
/*
* call-seq:
* int.remainder(numeric) -> real
*
*
* Returns the remainder after dividing <i>big</i> by <i>numeric</i> as:
*
* x.remainder(y) means x-y*(x/y).truncate
*
* Examples
*
* 5.remainder(3) #=> 2
* -5.remainder(3) #=> -2
* 5.remainder(-3) #=> 2
* -5.remainder(-3) #=> -2
*
* -1234567890987654321.remainder(13731) #=> -6966
* -1234567890987654321.remainder(13731.24) #=> -9906.22531493148
*
* See Numeric#divmod.
*/
VALUE
int_remainder(VALUE x, VALUE y)
{
if (FIXNUM_P(x)) {
return num_remainder(x, y);
}
else if (RB_TYPE_P(x, T_BIGNUM)) {
return rb_big_remainder(x, y);
}
return Qnil;
}
/*
* Document-method: Integer#divmod
* call-seq:
@ -4843,6 +4877,7 @@ Init_Numeric(void)
rb_define_method(rb_cInteger, "div", rb_int_idiv, 1);
rb_define_method(rb_cFixnum, "%", fix_mod, 1);
rb_define_method(rb_cInteger, "modulo", rb_int_modulo, 1);
rb_define_method(rb_cInteger, "remainder", int_remainder, 1);
rb_define_method(rb_cInteger, "divmod", int_divmod, 1);
rb_define_method(rb_cInteger, "fdiv", int_fdiv, 1);
rb_define_method(rb_cInteger, "**", rb_int_pow, 1);