Actions
Bug #18188
closed-1 ** 0 is 1 not -1
Status:
Rejected
Assignee:
-
Target version:
-
ruby -v:
ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [x86_64-freebsd11.2]
Description
Any negative number to the power of 0 is 1, but ruby is returning -1.
i.e. it should be n == 0 ? 1 : x ** n
/usr/local/ruby3.0/bin/ruby
puts -1**0
-1
Updated by jeremyevans0 (Jeremy Evans) about 3 years ago
- Status changed from Open to Rejected
-1**0
is parsed as -(1**0)
, not (-1)**0
. (-1)**0
returns 1
Updated by shyouhei (Shyouhei Urabe) about 3 years ago
- Is duplicate of Bug #13152: Numeric parsing differences between ruby <-> crystal added
- Is duplicate of Bug #16677: Negative integer powered (**) to a float number results in a complex added
Actions
Like0
Like0Like0