Bug #9831: C99-like atan2 check test failure under MinGW-w64

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: 2.2.0
• ruby -v: ruby 2.2.0dev (2014-05-11 trunk 45921) [i386-mingw32]
• Backport: 2.0.0: DONTNEED, 2.1: DONTNEED

[luislavena (Luis Lavena)]

After introduction of Feature #9799 (r45805) I started to see this failure when running tests under mingw-w64:

TestMath#test_atan2 [C:/Users/Luis/Code/ruby/ruby/test/ruby/test_math.rb:28]:
Exception raised:
<#<ArgumentError: comparison of Float with Float failed>>.

Here is a gist with all the other failures:

https://gist.github.com/luislavena/beb9bff73fdca800debc

[nobu (Nobuyoshi Nakada)]

• Status changed from Assigned to Closed
• % Done changed from 0 to 100

Applied in changeset r45930.

---

configure.in: check atan2

• configure.in (rb_cv_atan2_inf_c99): check whether runtime atan2
  handles Inf as C99. ruby-core:62536] [Bug #9831]

[usa (Usaku NAKAMURA)]

• Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN to 2.0.0: DONTNEED, 2.1: DONTNEED