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Fix broken pow() on x64-mingw32

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* include/ruby/win32.h (rb_w32_pow): add new function.
  We use powl() instead of broken pow() for x64-mingw32. This workaround
  fixes test failures related to floating point numeric.
  [ruby-core:46686] [Bug #6784]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36522 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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shirosaki 2012-07-24 15:12:26 +00:00
parent 0daf636e7a
commit 4f8b1384df
2 changed files with 21 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Tue Jul 24 23:34:43 2012 Hiroshi Shirosaki <h.shirosaki@gmail.com>
* include/ruby/win32.h (rb_w32_pow): add new function.
We use powl() instead of broken pow() for x64-mingw32. This workaround
fixes test failures related to floating point numeric.
[ruby-core:46686] [Bug #6784]
Tue Jul 24 15:01:24 2012 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c (rb_w32_socket, rb_w32_socketpair): remember the family

14
include/ruby/win32.h
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@ -764,4 +764,18 @@ uintptr_t rb_w32_asynchronize(asynchronous_func_t func, uintptr_t self, int argc
} /* extern "C" { */
#endif
#ifdef __MINGW64__
/*
* Use powl() instead of broken pow() of x86_64-w64-mingw32.
* This workaround will fix test failures in test_bignum.rb,
* test_fixnum.rb and test_float.rb etc.
*/
static inline double
rb_w32_pow(double x, double y)
{
return powl(x, y);
}
#define pow rb_w32_pow
#endif
#endif /* RUBY_WIN32_H */