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ruby.h: rb_big_sign

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* include/ruby/ruby.h (RBIGNUM_SIGN): use a wrapper function to
  return the sign bit, instead of comparing with 0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-11-19 04:32:52 +00:00
parent 5f03f753ee
commit 6839d47eb8
2 changed files with 10 additions and 3 deletions
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6
bignum.c
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@ -6691,6 +6691,12 @@ rb_big_abs(VALUE x)
return x;
}
int
rb_big_sign(VALUE x)
{
return BIGNUM_SIGN(x);
}
size_t
rb_big_size(VALUE big)
{

7
include/ruby/ruby.h
View file

@ -1185,9 +1185,10 @@ void *rb_check_typeddata(VALUE, const rb_data_type_t *);
#define RSTRUCT_SET(st, idx, v) rb_struct_aset(st, INT2NUM(idx), (v))
#define RSTRUCT_GET(st, idx) rb_struct_aref(st, INT2NUM(idx))
#define RBIGNUM_SIGN(b) (RB_FIX2LONG(rb_big_cmp((b), RB_INT2FIX(0))) >= 0)
#define RBIGNUM_POSITIVE_P(b) (RB_FIX2LONG(rb_big_cmp((b), RB_INT2FIX(0))) >= 0)
#define RBIGNUM_NEGATIVE_P(b) (RB_FIX2LONG(rb_big_cmp((b), RB_INT2FIX(0))) < 0)
int rb_big_sign(VALUE);
#define RBIGNUM_SIGN(b) (rb_big_sign(b))
#define RBIGNUM_POSITIVE_P(b) (RBIGNUM_SIGN(b)!=0)
#define RBIGNUM_NEGATIVE_P(b) (RBIGNUM_SIGN(b)==0)
#define R_CAST(st) (struct st*)
#define RBASIC(obj) (R_CAST(RBasic)(obj))