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author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-09-16 06:44:59 +0000 |
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committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-09-16 06:44:59 +0000 |
commit | fd47fed2699a53cdeb26d204a6fb6a4b75db42ac (patch) | |
tree | cf5c0f68698c3c370d32ab824563903fe7b6d6eb | |
parent | 23d472165f401e28bc2128f74a964c438cf3ced4 (diff) | |
download | ruby-fd47fed2699a53cdeb26d204a6fb6a4b75db42ac.tar.gz |
* numeric.c (ruby_float_step): Avoid error on i386 and amd64.
Patch by Vit Ondruch. Issue #4576 [rubyspec:a9525edcd]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | numeric.c | 4 |
2 files changed, 8 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Fri Sep 16 02:05:44 2011 Marc-Andre Lafortune <ruby-core@marc-andre.ca> + + * numeric.c (ruby_float_step): Avoid error on i386 and amd64. + Patch by Vit Ondruch. Issue #4576. + Thu Sep 15 11:39:43 2011 Nobuyoshi Nakada <nobu@ruby-lang.org> * gc.c (mark_entry, mark_key, mark_keyvalue): adjust callback @@ -1683,6 +1683,7 @@ ruby_float_step(VALUE from, VALUE to, VALUE step, int excl) double unit = NUM2DBL(step); double n = (end - beg)/unit; double err = (fabs(beg) + fabs(end) + fabs(end-beg)) / fabs(unit) * epsilon; + double im = 0.0; long i; if (isinf(unit)) { @@ -1691,7 +1692,8 @@ ruby_float_step(VALUE from, VALUE to, VALUE step, int excl) else { if (err>0.5) err=0.5; n = floor(n + err); - if (!excl || ((long)n)*unit+beg < end) n++; + im = ((long)n)*unit+beg; + if (!excl || im < end) n++; for (i=0; i<n; i++) { rb_yield(DBL2NUM(i*unit+beg)); } |