kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

* numeric.c (fix_mul): the width of fixnum is same as long's on all

Browse source 
platforms.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2010-04-29 18:39:02 +00:00
parent 0a3c78face
commit 34f182f7b2
2 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
ChangeLog
View file

@ -1,3 +1,8 @@
Fri Apr 30 03:38:14 2010 NAKAMURA Usaku <usa@ruby-lang.org>
* numeric.c (fix_mul): the width of fixnum is same as long's on all
platforms.
Fri Apr 30 03:17:20 2010 Marc-Andre Lafortune <ruby-core@marc-andre.ca> Fri Apr 30 03:17:20 2010 Marc-Andre Lafortune <ruby-core@marc-andre.ca>
* lib/matrix.rb: Improve algorithm for Matrix#determinant and * lib/matrix.rb: Improve algorithm for Matrix#determinant and

8
numeric.c
View file

@ -2233,18 +2233,18 @@ fix_mul(VALUE x, VALUE y)
/* avoids an optimization bug of HP aC++/ANSI C B3910B A.06.05 [Jul 25 2005] */ /* avoids an optimization bug of HP aC++/ANSI C B3910B A.06.05 [Jul 25 2005] */
volatile volatile
#endif #endif
SIGNED_VALUE a, b; long a, b;
#if SIZEOF_VALUE * 2 <= SIZEOF_LONG_LONG #if SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG
LONG_LONG d; LONG_LONG d;
#else #else
SIGNED_VALUE c; long c;
VALUE r; VALUE r;
#endif #endif
a = FIX2LONG(x); a = FIX2LONG(x);
b = FIX2LONG(y); b = FIX2LONG(y);
#if SIZEOF_VALUE * 2 <= SIZEOF_LONG_LONG #if SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG
d = (LONG_LONG)a * b; d = (LONG_LONG)a * b;
if (FIXABLE(d)) return LONG2FIX(d); if (FIXABLE(d)) return LONG2FIX(d);
return rb_ll2inum(d); return rb_ll2inum(d);