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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-02-22 23:28:26 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-02-22 23:28:26 +0000 |
| commit | c6da8470b9f1f317825e55e28ed1ec1201a7ecf7 (patch) | |
| tree | e76c939853253e4f2dbba1b9e12193d56a1ca6d2 /rational.c | |
| parent | 609e35cd2f45b9113c1da3deb43e177ae1272ab9 (diff) | |
| download | ruby-c6da8470b9f1f317825e55e28ed1ec1201a7ecf7.tar.gz | |
rational.c: infinity in power
* rational.c (nurat_expt): return Infinity due to overflow.
[ruby-core:79686] [Bug #13242]:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'rational.c')
| -rw-r--r-- | rational.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/rational.c b/rational.c index 13c44f7925..e779505fd0 100644 --- a/rational.c +++ b/rational.c @@ -1042,6 +1042,10 @@ nurat_expt(VALUE self, VALUE other) num = ONE; den = ONE; } + if (RB_FLOAT_TYPE_P(num)) { /* infinity due to overflow */ + if (RB_FLOAT_TYPE_P(den)) return DBL2NUM(NAN); + return num; + } return f_rational_new2(CLASS_OF(self), num, den); } } |