diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-01 09:51:05 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-01 09:51:05 +0000 |
commit | 51d1c5e73bf44baecf598b8997a0d291518da351 (patch) | |
tree | ebc6f71f415ab4b5b44ab8d985042bc1fedea0f8 | |
parent | 5a5355e84f93b84245e7e66af0bd87a4b3300d4a (diff) |
* random.c (random_float): rejects Infinity and NaN.
[ruby-core:24651]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | random.c | 6 |
2 files changed, 11 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Sat Aug 1 18:50:53 2009 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * random.c (random_float): rejects Infinity and NaN. + [ruby-core:24651] + Sat Aug 1 18:34:52 2009 Nobuyoshi Nakada <nobu@ruby-lang.org> * tool/rbinstall.rb (gem): suppressed warnings. @@ -196,6 +196,8 @@ genrand_real(struct MT *mt) #ifdef HAVE_FCNTL_H #include <fcntl.h> #endif +#include <math.h> +#include <errno.h> typedef struct { VALUE seed; @@ -939,6 +941,10 @@ random_float(int argc, VALUE *argv, VALUE obj) !NIL_P(vmax = rb_to_float(vmax)) || (vmax = range_values(vmax, &beg)) != Qfalse) { max = RFLOAT_VALUE(vmax); + if (isinf(max) || isnan(max)) { + VALUE error = INT2FIX(EDOM); + rb_exc_raise(rb_class_new_instance(1, &error, rb_eSystemCallError)); + } } else { beg = Qundef; |