Bug #19855: Array#bsearch gets wrong result when its block returns a non-integer numeric value.

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 3.3.0dev (2023-08-29T04:52:18Z master c0e913ae88) [arm64-darwin22]
• Backport: 3.0: REQUIRED, 3.1: DONE, 3.2: DONE

[kyanagi (Kouhei Yanagita)]

Array#bsearch gets wrong result when its block returns a non-integer numeric value.

% ruby -e 'p [0, 4, 7, 10, 12].bsearch { |x| (4 - x) }'
4
% ruby -e 'p [0, 4, 7, 10, 12].bsearch { |x| (4 - x).to_r }'
nil

fix: https://github.com/ruby/ruby/pull/8314

[nobu (Nobuyoshi Nakada)]

• Backport changed from 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN to 3.0: REQUIRED, 3.1: REQUIRED, 3.2: REQUIRED

[nagachika (Tomoyuki Chikanaga)]

• Status changed from Open to Closed

merged at https://github.com/ruby/ruby/commit/a28c5151f567cada0d2f5c0c3ec4df7f97b80784

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 3.0: REQUIRED, 3.1: REQUIRED, 3.2: REQUIRED to 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE

ruby_3_2 5d568e18980b2fdec4701b52f2d89833fa20c0a8 merged revision(s) a28c5151f567cada0d2f5c0c3ec4df7f97b80784.

[usa (Usaku NAKAMURA)]

• Backport changed from 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE to 3.0: REQUIRED, 3.1: DONE, 3.2: DONE

ruby_3_1 eb54ed809f61fb25a0de101a7a6a649e8d4a434c merged revision(s) a28c5151f567cada0d2f5c0c3ec4df7f97b80784.