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* pack.c (swapf): compilation condition simplified.

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(swapd): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30493 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2011-01-08 12:25:03 +00:00
parent 13c4c551d1
commit 8eec9c9413
2 changed files with 17 additions and 22 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Jan 8 21:24:17 2011 Tanaka Akira <akr@fsij.org>
* pack.c (swapf): compilation condition simplified.
(swapd): ditto.
Sat Jan 8 20:51:25 2011 Tanaka Akira <akr@fsij.org>
* pack.c (swapd): remove duplicated code.

34
pack.c
View file

@ -144,23 +144,17 @@ TOKEN_PASTE(swap,x)(xtype z) \
# endif
#endif
#if SIZEOF_FLOAT == 4
# ifdef HAVE_UINT32_T
# define swapf(x) swap32(x)
# define FLOAT_SWAPPER uint32_t
# else /* SIZEOF_FLOAT == 4 but undivide by known size of int */
define_swapx(f,float)
# endif
#else /* SIZEOF_FLOAT != 4 */
define_swapx(f,float)
#endif /* #if SIZEOF_FLOAT == 4 */
#if SIZEOF_FLOAT == 4 && defined(HAVE_INT32_T)
# define swapf(x) swap32(x)
# define FLOAT_SWAPPER uint32_t
#else
define_swapx(f,float)
#endif
#if SIZEOF_DOUBLE == 8
# ifdef HAVE_UINT64_T /* SIZEOF_DOUBLE == 8 == SIZEOF_UINT64_T */
# define swapd(x) swap64(x)
# define DOUBLE_SWAPPER uint64_t
# else
# if HAVE_INT32_T /* SIZEOF_DOUBLE == 8 && 4 == SIZEOF_INT32 */
#if SIZEOF_DOUBLE == 8 && defined(HAVE_INT64_T)
# define swapd(x) swap64(x)
# define DOUBLE_SWAPPER uint64_t
#elif SIZEOF_DOUBLE == 8 && defined(HAVE_INT32_T)
static double
swapd(const double d)
{
@ -176,13 +170,9 @@ TOKEN_PASTE(swap,x)(xtype z) \
memcpy(&dtmp,utmp,sizeof(double));
return dtmp;
}
# else /* SIZEOF_DOUBLE == 8 but undivide by known size of int */
#else
define_swapx(d, double)
# endif
# endif /* #if SIZEOF_LONG == 8 */
#else /* SIZEOF_DOUBLE != 8 */
define_swapx(d, double)
#endif /* #if SIZEOF_DOUBLE == 8 */
#endif
#undef define_swapx