Bug #3815: dl2 - DL::Function TYPE_DOUBLE packing/unpacking problem

• Status: Rejected
• Assignee: -
• Target version: -
• ruby -v: ruby 1.9.3dev (2010-09-10 trunk 29209) [x86_64-linux]

[nahi (Hiroshi Nakamura)]

=begin
assert(64bit)
assert(no_fiddle)

0% ruby -v
ruby 1.9.3dev (2010-09-10 trunk 29209) [x86_64-linux]
0% ruby test/runner.rb test/dl
Test run options: --seed 53947

Loaded suite test/runner
Started
.........................................................F.........FF.........................................
Finished in 0.183267 seconds.

1. Failure:
   test_sin(DL::TestDL) [/home/nahi/svn/ruby/current/test/dl/test_dl2.rb:102]:
   <1.0> expected but was
   <1.38523885234213e-309>.

2. Failure:
   test_sin(DL::TestFunc) [/home/nahi/svn/ruby/current/test/dl/test_func.rb:37]:
   Expected 1.0 - 1.38523885234213e-309 (1.0) to be < 0.0001.

3. Failure:
   test_sinf(DL::TestFunc) [/home/nahi/svn/ruby/current/test/dl/test_func.rb:31]:
   Expected 1.0 - 0.0 (1.0) to be < 0.0001.

110 tests, 200 assertions, 3 failures, 0 errors, 0 skips

Test run options: --seed 53947
=end

[naruse (Yui NARUSE)]

• Status changed from Open to Rejected

=begin
WONTFIX.

http://mkosaki.blog46.fc2.com/blog-entry-1069.html
=end

[nahi (Hiroshi Nakamura)]

• Category changed from ext to test
• Status changed from Rejected to Open
• Priority changed from Normal to 3

=begin
Thank you! Passing a double value to C function does not work on x86_64, right?

I reopen this ticket since we'd better add some tweaks.
Document, adding warnings, avoid tests, etc.
=end

[naruse (Yui NARUSE)]

=begin
Use fiddle; fiddle is added for this problem.
=end

[shyouhei (Shyouhei Urabe)]

• Status changed from Open to Rejected

=begin

=end