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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-01 09:51:05 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-01 09:51:05 +0000 |
commit | 85e1749a7c4e5de7b4bc19b2f4e9b563138900af (patch) | |
tree | ebc6f71f415ab4b5b44ab8d985042bc1fedea0f8 /random.c | |
parent | 8506a3000e5de2bab34295cea08490ba298ac81d (diff) | |
download | ruby-85e1749a7c4e5de7b4bc19b2f4e9b563138900af.tar.gz ruby-85e1749a7c4e5de7b4bc19b2f4e9b563138900af.tar.xz ruby-85e1749a7c4e5de7b4bc19b2f4e9b563138900af.zip |
* random.c (random_float): rejects Infinity and NaN.
[ruby-core:24651]
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@24347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -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; |