From: Michal Suchanek <hramrach@...>
Date: 2011-09-13T20:12:02+09:00
Subject: [ruby-core:39513] Re: [Ruby 1.9 - Bug #4576] Range#step miss the last value, if end-exclusive and has float number

On 13 September 2011 12:28, Urabe Shyouhei <shyouhei@ruby-lang.org> wrote:
> (09/13/2011 06:56 PM), V��t Ondruch wrote:
>> Can somebody please reopen this issue? Since the test suite fix is
>> apparently wrong.
>
> Hi, maybe I'm too unfamiliar with this area, but can you explain a bit
> closer about how the test is apparently wrong? ��It seems OK to me.

I see no error:


irb(main):001:0> p (1.0...6.8).step(1.9).to_a
[1.0, 2.9, 4.8, 6.7]
=> nil
irb(main):002:0> p (1.0...6.6).step(1.9).to_a
[1.0, 2.9, 4.8]
=> nil
irb(main):003:0> p (1...6.3).step.to_a
[1.0, 2.0, 3.0, 4.0, 5.0, 6.0]
=> nil
irb(main):004:0> p (1.1...6).step.to_a
[1.1, 2.1, 3.1, 4.1, 5.1]
=> nil
irb(main):005:0> p (1...6).step(1.1).to_a
[1.0, 2.1, 3.2, 4.3, 5.4]
=> nil

ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux]

irb(main):002:0> p (1.0...6.8).step(1.9).to_a
[1.0, 2.9, 4.8, 6.699999999999999]
=> [1.0, 2.9, 4.8, 6.699999999999999]
irb(main):003:0> p (1.0...6.6).step(1.9).to_a
[1.0, 2.9, 4.8]
=> [1.0, 2.9, 4.8]
irb(main):004:0> p (1...6.3).step.to_a
[1.0, 2.0, 3.0, 4.0, 5.0, 6.0]
=> [1.0, 2.0, 3.0, 4.0, 5.0, 6.0]
irb(main):005:0>  p (1.1...6).step.to_a
[1.1, 2.1, 3.1, 4.1, 5.1]
=> [1.1, 2.1, 3.1, 4.1, 5.1]
irb(main):006:0> p (1...6).step(1.1).to_a
[1.0, 2.1, 3.2, 4.300000000000001, 5.4]
=> [1.0, 2.1, 3.2, 4.300000000000001, 5.4]

ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-linux]

Thanks

Michal