From 10e0fc1b6c8fdc8d275653052e129a2d7569e58b Mon Sep 17 00:00:00 2001 From: nagachika Date: Wed, 22 Mar 2017 14:13:40 +0000 Subject: merge revision(s) 57688,57689: [Backport #13242] rational.c: infinity in power * rational.c (nurat_expt): return Infinity due to overflow. [ruby-core:79686] [Bug #13242]: rational.c: infinity in power * rational.c (nurat_expt): return 0 due to overflow. [ruby-core:79686] [Bug #13242]: git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- rational.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'rational.c') diff --git a/rational.c b/rational.c index 7f3a06af80..6b248e3483 100644 --- a/rational.c +++ b/rational.c @@ -1038,6 +1038,14 @@ nurat_expt(VALUE self, VALUE other) den = ONE; break; } + if (RB_FLOAT_TYPE_P(num)) { /* infinity due to overflow */ + if (RB_FLOAT_TYPE_P(den)) return DBL2NUM(NAN); + return num; + } + if (RB_FLOAT_TYPE_P(den)) { /* infinity due to overflow */ + num = ZERO; + den = ONE; + } return f_rational_new2(CLASS_OF(self), num, den); } } -- cgit v1.2.3