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author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-25 02:51:16 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-25 02:51:16 +0000 |
commit | 0fdbdfbbda2e3d223d299b9df819402c3de82ecf (patch) | |
tree | da28c3cf9a64fa6c8f5306ae19f6f77dc65bcb71 | |
parent | 68e111176ffb1d3f88e5605a5e3eeb8c200cce13 (diff) | |
download | ruby-0fdbdfbbda2e3d223d299b9df819402c3de82ecf.tar.gz |
* math.c (domain_check): ignore errno if y is inf.
r26335 is because NetBSD 5.0's asin and acos returns
0.0 with errno EDOM. But it breaks Linux whose gamma returns inf
with errno ERANGE on.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 8 | ||||
-rw-r--r-- | math.c | 5 |
2 files changed, 12 insertions, 1 deletions
@@ -1,3 +1,10 @@ +Mon Jan 25 11:45:47 2010 NARUSE, Yui <naruse@ruby-lang.org> + + * math.c (domain_check): ignore errno if y is inf. + r26335 is because NetBSD 5.0's asin and acos returns + 0.0 with errno EDOM. But it breaks Linux whose gamma returns inf + with errno ERANGE on. + Sun Jan 24 22:48:05 2010 Koichi Sasada <ko1@atdot.net> * eval.c, vm.c, vm_eval.c, vm_insnhelper.c: fix issues about @@ -228,6 +235,7 @@ Sun Jan 17 22:48:44 2010 Akinori MUSHA <knu@iDaemons.org> Sun Jan 17 19:24:25 2010 Nobuyoshi Nakada <nobu@ruby-lang.org> * math.c (domain_check): check errno first. + NetBSD 5.0's asin and acos returns 0.0 with errno EDOM. Sun Jan 17 14:24:35 2010 Nobuyoshi Nakada <nobu@ruby-lang.org> @@ -27,7 +27,10 @@ extern VALUE rb_to_float(VALUE val); static void domain_check(double x, double y, const char *msg) { - if (!errno) { + if (errno) { + if (isinf(y)) return; + } + else { if (!isnan(y)) return; else if (isnan(x)) return; else { |