archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-09-15 16:44:01 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

merge revision(s) 57688,57689: [Backport #13242]

Browse source 
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_4@57911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2017-03-12 14:18:02 +00:00
parent 3980985556
commit 0179055d2d
4 changed files with 19 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

8
rational.c
View file

@ -1039,6 +1039,14 @@ 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;
}
if (RB_FLOAT_TYPE_P(den)) { /* infinity due to overflow */
num = ZERO;
den = ONE;
}
return f_rational_new2(CLASS_OF(self), num, den);
}
}