From: andry.konchin@... Date: 2017-12-30T23:03:35+00:00 Subject: [ruby-core:84566] [Ruby trunk Bug#14259] Integer#pow returns a Invalid result with a large modulo Issue #14259 has been updated by andrykonchin (Andrew Konchin). Another example: ~~~ 2.pow(61, 9213693951) # => 1 ~~~ Expected following result: ~~~ (2 ** 61) % 9213693951 # => 5432161352 ~~~ ---------------------------------------- Bug #14259: Integer#pow returns a Invalid result with a large modulo https://bugs.ruby-lang.org/issues/14259#change-69105 * Author: mrkn (Kenta Murata) * Status: Closed * Priority: Normal * Assignee: mrkn (Kenta Murata) * Target version: * ruby -v: ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin16] * Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: REQUIRED ---------------------------------------- ``` irb(main):020:0> 12.pow(1, 10000000000) => 1 irb(main):021:0> 12.pow(1, 10000000001) => 1 irb(main):022:0> 12.pow(1, 10000000002) => 1 ``` These result should be `12`. -- https://bugs.ruby-lang.org/ Unsubscribe: