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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-02-28 02:58:12 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-02-28 02:58:12 +0000 |
| commit | ce2eb5f09671ca7e7f19ea5826e7bed19df78321 (patch) | |
| tree | f175c961aa3bf59e529b03a0e51f457626d90609 /win32 | |
| parent | e66e01381ed4081bd8b38a5d328d0e9c5a20c963 (diff) | |
| download | ruby-ce2eb5f09671ca7e7f19ea5826e7bed19df78321.tar.gz | |
Makefile.sub: ULL_TO_DOUBLE
* win32/Makefile.sub (config.h): define ULL_TO_DOUBLE for
conversion from unsigned __int64 to double, which is not
implemented in till Visual Studio.NET 2003, aka VC7.1.
* bignum.c (estimate_initial_sqrt): use ULL_TO_DOUBLE if defined.
* numeric.c (BDIGIT_DBL_TO_DOUBLE): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57740 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32')
| -rw-r--r-- | win32/Makefile.sub | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/win32/Makefile.sub b/win32/Makefile.sub index f37b6c654b..790b41a4f1 100644 --- a/win32/Makefile.sub +++ b/win32/Makefile.sub @@ -550,6 +550,8 @@ $(CONFIG_H): $(MKFILES) $(srcdir)/win32/Makefile.sub $(win_srcdir)/Makefile.sub #define HAVE_MEMORY_H 1 !if $(MSC_VER) >= 1400 #define HAVE_LONG_LONG 1 +!else +#define ULL_TO_DOUBLE(n) ((double)(unsigned long)((n)>>32) * (1I64 << 32) + (unsigned long)(n)) !endif #define HAVE_OFF_T 1 #define SIZEOF_INT 4 |