Bug #3640: BigDecimal#hash returns -2 for all negative finite numbers.

• Status: Closed
• Assignee: mrkn (Kenta Murata)
• Target version: 2.0.0
• ruby -v: ruby 1.9.3dev (2010-08-01 trunk 28823) [x86_64-darwin10.4.0]

[mrkn (Kenta Murata)]

=begin
$ ruby -rbigdecimal -ve '

a = []
b = BigDecimal("-1")
10.times { a << b *= 10 }
h = {}
a.each_with_index {|x, i| h[x] = i }
p a.all? {|x, i| i == h[x] }'
ruby 1.9.3dev (2010-08-01 trunk 28823) [x86_64-darwin10.4.0]
false
=end

[mrkn (Kenta Murata)]

=begin
Sorry, the code I've shown is improper.

The proper code is here:

$ ruby -rbigdecimal -ve '
a = []
b = BigDecimal("-1")
10.times { a << (b *= 10).hash }
p a'
ruby 1.9.3dev (2010-08-01 trunk 28823) [x86_64-darwin10.4.0]
[-2, -2, -2, -2, -2, -2, -2, -2, -2, -2]

=end

[mrkn (Kenta Murata)]

• Status changed from Assigned to Closed

=begin
This bug fixed by r28825.

=end