зеркало из https://github.com/github/ruby.git
win32.c: for strict ANSI
* win32/win32.c (rb_w32_pow): move from win32.h and disable strict ANSI mode macro to let _controlfp() stuff defined. [ruby-core:55312] [Bug #8495] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41836 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,4 +1,8 @@
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Mon Jul 8 23:12:48 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
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Mon Jul 8 23:13:11 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* win32/win32.c (rb_w32_pow): move from win32.h and disable strict
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ANSI mode macro to let _controlfp() stuff defined.
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[ruby-core:55312] [Bug #8495]
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* numeric.c (finite): add declaration for strict ANSI.
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[ruby-core:55312] [Bug #8495]
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@ -794,21 +794,7 @@ rb_w32_pow(double x, double y)
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return powl(x, y);
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}
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#elif defined(__MINGW64_VERSION_MAJOR)
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/*
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* Set floating point precision for pow() of mingw-w64 x86.
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* With default precision the result is not proper on WinXP.
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*/
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static inline double
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rb_w32_pow(double x, double y)
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{
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double r;
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unsigned int default_control = _controlfp(0, 0);
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_controlfp(_PC_64, _MCW_PC);
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r = pow(x, y);
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/* Restore setting */
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_controlfp(default_control, _MCW_PC);
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return r;
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}
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double rb_w32_pow(double x, double y);
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#endif
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#if defined(__MINGW64_VERSION_MAJOR) || defined(__MINGW64__)
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#define pow rb_w32_pow
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@ -19,6 +19,8 @@
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Copyright (C) 2000 Information-technology Promotion Agency, Japan
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*/
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#undef __STRICT_ANSI__
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#include "ruby/ruby.h"
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#include "ruby/encoding.h"
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#include <fcntl.h>
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@ -6954,3 +6956,21 @@ rb_w32_unwrap_io_handle(int fd)
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}
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return _close(fd);
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}
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#if !defined(__MINGW64__) && defined(__MINGW64_VERSION_MAJOR)
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/*
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* Set floating point precision for pow() of mingw-w64 x86.
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* With default precision the result is not proper on WinXP.
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*/
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double
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rb_w32_pow(double x, double y)
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{
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double r;
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unsigned int default_control = _controlfp(0, 0);
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_controlfp(_PC_64, _MCW_PC);
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r = pow(x, y);
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/* Restore setting */
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_controlfp(default_control, _MCW_PC);
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return r;
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}
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#endif
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