mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
Update.
* misc/libgen.h: Don't take basename macro as taking arguments. * sysdeps/arm/bits/huge_val.h: Use hexadecimal floating-point constants for gcc >= 2.95. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/m68k/bits/huge_val.h: Likewise. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Likewise. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Likewise.
This commit is contained in:
Ulrich Drepper
parent
da1067a915
commit
52cf7d345d
11
ChangeLog
11
ChangeLog
@ -1,5 +1,16 @@
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1999-08-24 Ulrich Drepper <drepper@cygnus.com>
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* misc/libgen.h: Don't take basename macro as taking arguments.
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* sysdeps/arm/bits/huge_val.h: Use hexadecimal floating-point constants
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for gcc >= 2.95.
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* sysdeps/i386/bits/huge_val.h: Likewise.
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* sysdeps/i386/bits/huge_val.h: Likewise.
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* sysdeps/ieee754/bits/huge_val.h: Likewise.
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* sysdeps/m68k/bits/huge_val.h: Likewise.
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* sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Likewise.
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* sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Likewise.
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* conform/Makefile: New file.
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* conform/conformtest.pl: New file.
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* conform/data/aio.h-data: New file.
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@ -1,10 +1,12 @@
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#! /usr/bin/perl
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$CC = "gcc";
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$CFLAGS = "-I. -D_XOPEN_SOURCE=500";
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$CFLAGS = "-I. '-D__attribute__(x)=' -D_XOPEN_SOURCE=500";
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# List of the headers we are testing.
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@headers = ("fmtmsg.h", "float.h", "fcntl.h", "errno.h", "dlfcn.h", "dirent.h",
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@headers = ("math.h", "locale.h", "libgen.h", "langinfo.h", "iso646.h",
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"inttypes.h", "iconv.h", "grp.h", "glob.h", "ftw.h", "fnmatch.h",
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"fmtmsg.h", "float.h", "fcntl.h", "errno.h", "dlfcn.h", "dirent.h",
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"ctype.h", "cpio.h", "assert.h", "aio.h");
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# These are the ISO C9x keywords.
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@ -341,7 +343,7 @@ while ($#headers >= 0) {
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# Generate a program to test for availability of this function.
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open (TESTFILE, ">$fnamebase.c");
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print TESTFILE "#include <$h>\n";
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print TESTFILE "#undef $fname\n";
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# print TESTFILE "#undef $fname\n";
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print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
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close (TESTFILE);
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@ -351,7 +353,7 @@ while ($#headers >= 0) {
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# Generate a program to test for the type of this function.
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open (TESTFILE, ">$fnamebase.c");
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print TESTFILE "#include <$h>\n";
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print TESTFILE "#undef $fname\n";
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# print TESTFILE "#undef $fname\n";
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print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
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print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
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close (TESTFILE);
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@ -1 +1,3 @@
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macro assert
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allow *_t
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@ -19,5 +19,8 @@ constant C_ISCHR 0020000
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constant C_ISCTG 0110000
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constant C_ISLNK 0120000
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constant C_ISSOCK 0140000
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# XXX We should be able to test a constant string content here.
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constant MAGIC
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allow *_t
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#endif
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@ -19,7 +19,9 @@ function int _toupper (int)
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function int _tolower (int)
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# The following is not entirely correct. It should be is[a-z]* but the
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# replacement fnmatch implementation doesn't grok it.
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# replacement fnmatch implementation does not grok it.
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allow is*
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allow to*
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allow *_t
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#endif
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@ -9,7 +9,7 @@ element {struct dirent} char d_name []
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type ino_t
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function int closedir (DIR*)
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function DIR* opendir (const char*)
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function {DIR*} opendir (const char*)
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function {struct dirent*} readdir (DIR*)
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function int readdir_r (DIR*, struct dirent*, struct dirent**)
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function void rewinddir (DIR*)
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@ -17,4 +17,5 @@ function void seekdir (DIR*, long int)
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function {long int} telldir (DIR*)
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allow d_*
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allow *_t
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#endif
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@ -8,4 +8,6 @@ function {void*} dlopen (const char*, int)
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function {void*} dlsym (void *, const char*)
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function int dlclose (void*)
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function {char*} dlerror (void)
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allow *_t
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#endif
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@ -37,3 +37,5 @@ macro LDBL_EPSILON
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macro FLT_MIN
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macro DBL_MIN
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macro LDBL_MIN
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allow *_t
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@ -57,4 +57,6 @@ macro MM_NOMSG
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macro MM_NOCON
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function int fmtmsg (long, const char*, int, const char*, const char*, const char*)
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allow *_t
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#endif
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@ -6,4 +6,6 @@ constant FNM_NOESCAPE
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constant FNM_NOSYS
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function int fnmatch (const char*, const char*, int)
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allow *_t
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#endif
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@ -18,4 +18,6 @@ macro FTW_CHDIR
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function int ftw (const char*, int (*) (const char *, const struct stat*, int), int)
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function int nftw (const char*, int (*) (const char *, const struct stat*, int, FTW *), int, int)
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allow *_t
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#endif
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@ -5,7 +5,7 @@ element glob_t {char**} gl_pathv
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element glob_t size_t gl_offs
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constant GLOB_APPEND
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constant GLOB_DOOFS
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constant GLOB_DOOFFS
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constant GLOB_ERR
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constant GLOB_MARK
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constant GLOB_NOCHECK
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@ -18,8 +18,9 @@ constant GLOB_NOSPACE
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constant GLOB_NOSYS
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function int glob (const char*, int, int (*) (const char*, int), glob_t*)
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function void globfree (glob_t)
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function void globfree (glob_t *)
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allow gl_*
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allow GLOB_*
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allow *_t
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#endif
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@ -18,5 +18,6 @@ function void endgrent (void)
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function void setgrent (void)
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# endif
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allow gr_
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allow gr_*
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allow *_t
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#endif
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@ -4,4 +4,6 @@ type iconv_t
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function iconv_t iconv_open (const char*, const char*)
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function size_t iconv (iconv_t, char**, size_t*, char**, size_t*)
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function int iconv_close (iconv_t)
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allow *_t
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#endif
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@ -11,3 +11,4 @@ type uintptr_t
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allow PRI*
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allow SCN*
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allow *_t
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@ -9,3 +9,5 @@ macro or
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macro or_eq
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macro xor
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macro xor_eq
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allow *_t
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@ -58,4 +58,6 @@ constant CRNCYSTR
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function {char*} nl_langinfo (nl_item)
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allow-header nl_types.h
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allow *_t
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#endif
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@ -1,4 +1,6 @@
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#if !defined ISO && !defined POSIX
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function {char*} basename (char*)
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function {char*} dirname (char*)
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allow *_t
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#endif
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@ -15,7 +15,7 @@ element {struct lconv} char n_sign_posn
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element {struct lconv} {char*} positive_sign
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element {struct lconv} char p_cs_precedes
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element {struct lconv} char p_sep_by_space
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element {struct lconv} char p_sign_pos
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element {struct lconv} char p_sign_posn
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element {struct lconv} {char*} thousands_sep
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constant NULL
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@ -28,7 +28,8 @@ macro LC_MONETARY
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macro LC_NUMERIC
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macro LC_TIME
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function {struct lconv*) localeconv (void)
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function {struct lconv*} localeconv (void)
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function {char*} setlocale (int, const char*)
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allow LC_*
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allow *_t
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@ -15,6 +15,7 @@ constant M_SQRT1_2
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constant MAXFLOAT
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constant HUGE_VAL
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#endif
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function double acos (double)
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function double asin (double)
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@ -43,11 +44,11 @@ function double gamma (double)
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function double hypot (double, double)
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function double j0 (double)
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function double j1 (double)
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function double jn (double)
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function double jn (int, double)
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function double lgamma (double)
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function double y0 (double)
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function double y1 (double)
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function double yn (double)
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function double yn (int, double)
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function int isnan (double)
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function double acosh (double)
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function double asinh (double)
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@ -156,3 +157,5 @@ allow nextafterl
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allow remainderl
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allow rintl
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allow scalbl
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allow *_t
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -33,7 +33,7 @@ extern char *dirname __P ((char *__path));
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<string.h>) and only if this header is included make the XPG
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version available under the real name. */
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extern char *__xpg_basename __P ((char *__path));
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#define basename(path) __xpg_basename (path)
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#define basename __xpg_basename
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__END_DECLS
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@ -1,7 +1,7 @@
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/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
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Used by <stdlib.h> and <math.h> functions for overflow.
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ARM version.
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Copyright (C) 1992, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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Copyright (C) 1992, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -29,11 +29,19 @@
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#ifdef __GNUC__
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# define HUGE_VAL \
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# if __GNUC_PREREQ(2,95)
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# define HUGE_VAL (0x1.0p2047)
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# else
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# define HUGE_VAL \
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(__extension__ \
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((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
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{ __l: 0x000000007ff00000ULL }).__d)
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# endif
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#else /* not GCC */
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# include <endian.h>
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@ -59,11 +67,19 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
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# ifdef __GNUC__
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# define HUGE_VALF \
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# if __GNUC_PREREQ(2,95)
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# define HUGE_VALF (0x1.0p255f)
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# else
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# define HUGE_VALF \
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(__extension__ \
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((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
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{ __l: 0x7f800000UL }).__d)
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# endif
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# else /* not GCC */
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typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
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@ -1,6 +1,6 @@
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/* `HUGE_VAL' constants for ix86 (where it is infinity).
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Used by <stdlib.h> and <math.h> functions for overflow.
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Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
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Copyright (C) 1992, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -26,43 +26,56 @@
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/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
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#define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
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#if __GNUC_PREREQ(2,95)
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# define HUGE_VAL (0x1.0p2047)
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#else
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# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
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#define __huge_val_t union { unsigned char __c[8]; double __d; }
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#ifdef __GNUC__
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# define HUGE_VAL (__extension__ \
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# define __huge_val_t union { unsigned char __c[8]; double __d; }
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# ifdef __GNUC__
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# define HUGE_VAL (__extension__ \
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((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
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#else /* Not GCC. */
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# else /* Not GCC. */
|
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static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
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# define HUGE_VAL (__huge_val.__d)
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#endif /* GCC. */
|
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# define HUGE_VAL (__huge_val.__d)
|
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# endif /* GCC. */
|
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#endif /* GCC 2.95 */
|
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|
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|
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/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
|
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|
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#ifdef __USE_ISOC9X
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|
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# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
|
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# if __GNUC_PREREQ(2,95)
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|
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# define __huge_valf_t union { unsigned char __c[4]; float __f; }
|
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# ifdef __GNUC__
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# define HUGE_VALF (__extension__ \
|
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# define HUGE_VALF (0x1.0p255f)
|
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# define HUGE_VALL (0x1.0p32767L)
|
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|
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# else
|
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|
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# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
|
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|
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# define __huge_valf_t union { unsigned char __c[4]; float __f; }
|
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# ifdef __GNUC__
|
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# define HUGE_VALF (__extension__ \
|
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((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
|
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# else /* Not GCC. */
|
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# else /* Not GCC. */
|
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static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
|
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# define HUGE_VALF (__huge_valf.__f)
|
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# endif /* GCC. */
|
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# define HUGE_VALF (__huge_valf.__f)
|
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# endif /* GCC. */
|
||||
|
||||
|
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# define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
|
||||
# define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
|
||||
|
||||
# define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
|
||||
# ifdef __GNUC__
|
||||
# define HUGE_VALL (__extension__ \
|
||||
# define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
|
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# ifdef __GNUC__
|
||||
# define HUGE_VALL (__extension__ \
|
||||
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
|
||||
# else /* Not GCC. */
|
||||
# else /* Not GCC. */
|
||||
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
|
||||
# define HUGE_VALL (__huge_vall.__ld)
|
||||
# endif /* GCC. */
|
||||
# define HUGE_VALL (__huge_vall.__ld)
|
||||
# endif /* GCC. */
|
||||
|
||||
# endif /* GCC 2.95 */
|
||||
|
||||
#endif /* __USE_ISOC9X. */
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
|
||||
Used by <stdlib.h> and <math.h> functions for overflow.
|
||||
Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1992, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -28,11 +28,19 @@
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
||||
# define HUGE_VAL \
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VAL (0x1.0p2047)
|
||||
|
||||
# else
|
||||
|
||||
# define HUGE_VAL \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
|
||||
{ __l: 0x7ff0000000000000ULL }).__d)
|
||||
|
||||
# endif
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
# include <endian.h>
|
||||
@ -58,11 +66,19 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
|
||||
|
||||
# ifdef __GNUC__
|
||||
|
||||
# define HUGE_VALF \
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VALF (0x1.0p255f)
|
||||
|
||||
# else
|
||||
|
||||
# define HUGE_VALF \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
|
||||
{ __l: 0x7f800000UL }).__d)
|
||||
|
||||
# endif
|
||||
|
||||
# else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/* `HUGE_VAL' constants for m68k (where it is infinity).
|
||||
Used by <stdlib.h> and <math.h> functions for overflow.
|
||||
Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1992, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -30,11 +30,19 @@
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
||||
# define HUGE_VAL \
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VAL (0x1.0p2047)
|
||||
|
||||
# else
|
||||
|
||||
# define HUGE_VAL \
|
||||
(__extension__ \
|
||||
((union { unsigned long long __l; double __d; }) \
|
||||
{ __l: 0x7ff0000000000000ULL }).__d)
|
||||
|
||||
# endif
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
static union { unsigned char __c[8]; double __d; } __huge_val =
|
||||
@ -48,28 +56,37 @@ static union { unsigned char __c[8]; double __d; } __huge_val =
|
||||
|
||||
#ifdef __USE_ISOC9X
|
||||
|
||||
# ifdef __GNUC__
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VALF \
|
||||
# define HUGE_VALF (0x1.0p255f)
|
||||
# define HUGE_VALL (0x1.0p32767L)
|
||||
|
||||
# else
|
||||
|
||||
# ifdef __GNUC__
|
||||
|
||||
# define HUGE_VALF \
|
||||
(__extension__ \
|
||||
((union { unsigned long __l; float __f; }) \
|
||||
{ __l: 0x7f800000UL }).__f)
|
||||
|
||||
# define HUGE_VALL \
|
||||
# define HUGE_VALL \
|
||||
(__extension__ \
|
||||
((union { unsigned long __l[3]; long double __ld; }) \
|
||||
{ __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
|
||||
|
||||
# else /* not GCC */
|
||||
# else /* not GCC */
|
||||
|
||||
static union { unsigned char __c[4]; float __f; } __huge_valf =
|
||||
{ { 0x7f, 0x80, 0, 0 } };
|
||||
# define HUGE_VALF (__huge_valf.__f)
|
||||
# define HUGE_VALF (__huge_valf.__f)
|
||||
|
||||
static union { unsigned char __c[12]; long double __ld; } __huge_vall =
|
||||
{ { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
|
||||
# define HUGE_VALL (__huge_vall.__ld)
|
||||
# define HUGE_VALL (__huge_vall.__ld)
|
||||
|
||||
# endif /* GCC. */
|
||||
# endif /* GCC. */
|
||||
|
||||
# endif /* GCC 2.95. */
|
||||
|
||||
#endif /* __USE_ISOC9X. */
|
||||
|
||||
@ -29,11 +29,19 @@
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
||||
# define HUGE_VAL \
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VAL (0x1.0p2047)
|
||||
|
||||
# else
|
||||
|
||||
# define HUGE_VAL \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
|
||||
{ __l: 0x7ff0000000000000ULL }).__d)
|
||||
|
||||
# endif
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
|
||||
@ -50,51 +58,60 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
|
||||
|
||||
#ifdef __USE_ISOC9X
|
||||
|
||||
# ifdef __GNUC__
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VALF \
|
||||
# define HUGE_VALF (0x1.0p255)
|
||||
# define HUGE_VALL (0x1.0p32767)
|
||||
|
||||
# else
|
||||
|
||||
# ifdef __GNUC__
|
||||
|
||||
# define HUGE_VALF \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
|
||||
{ __l: 0x7f800000UL }).__d)
|
||||
|
||||
# else /* not GCC */
|
||||
# else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
|
||||
|
||||
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
|
||||
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
|
||||
|
||||
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
|
||||
# define HUGE_VALF (__huge_valf.__f)
|
||||
# define HUGE_VALF (__huge_valf.__f)
|
||||
|
||||
# endif /* GCC. */
|
||||
# endif /* GCC. */
|
||||
|
||||
#if __WORDSIZE == 32
|
||||
# if __WORDSIZE == 32
|
||||
|
||||
/* Sparc32 has IEEE 754 64bit long double */
|
||||
# define HUGE_VALL HUGE_VAL
|
||||
# define HUGE_VALL HUGE_VAL
|
||||
|
||||
#else
|
||||
# else
|
||||
|
||||
/* Sparc64 uses IEEE 754 128bit long double */
|
||||
|
||||
#ifdef __GNUC__
|
||||
# ifdef __GNUC__
|
||||
|
||||
# define HUGE_VALL \
|
||||
# define HUGE_VALL \
|
||||
(__extension__ \
|
||||
((union { struct { unsigned long __h, __l; } __i; long double __d; }) \
|
||||
{ __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d)
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
# else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t;
|
||||
|
||||
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
|
||||
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
|
||||
|
||||
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
|
||||
# define HUGE_VALL (__huge_vall.__d)
|
||||
# define HUGE_VALL (__huge_vall.__d)
|
||||
|
||||
#endif /* GCC. */
|
||||
# endif /* GCC. */
|
||||
|
||||
#endif
|
||||
# endif
|
||||
|
||||
# endif /* GCC 2.95. */
|
||||
|
||||
#endif /* __USE_ISOC9X. */
|
||||
|
||||
@ -29,11 +29,19 @@
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
||||
# define HUGE_VAL \
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VAL (0x1.0p2047)
|
||||
|
||||
# else
|
||||
|
||||
# define HUGE_VAL \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
|
||||
{ __l: 0x7ff0000000000000ULL }).__d)
|
||||
|
||||
# endif
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
|
||||
@ -50,51 +58,65 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
|
||||
|
||||
#ifdef __USE_ISOC9X
|
||||
|
||||
# ifdef __GNUC__
|
||||
# if __GNUC_PREREQ(2,95)
|
||||
|
||||
# define HUGE_VALF \
|
||||
# define HUGE_VALF (0x1.0p255f)
|
||||
# if __WORDSIZE == 32
|
||||
# define HUGE_VALL HUGE_VAL
|
||||
# else
|
||||
/* Sparc64 uses IEEE 754 128bit long double */
|
||||
# define HUGE_VALL (0x1.0p32767L)
|
||||
# endif
|
||||
|
||||
# else
|
||||
|
||||
# ifdef __GNUC__
|
||||
|
||||
# define HUGE_VALF \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
|
||||
{ __l: 0x7f800000UL }).__d)
|
||||
|
||||
# else /* not GCC */
|
||||
# else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
|
||||
|
||||
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
|
||||
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
|
||||
|
||||
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
|
||||
# define HUGE_VALF (__huge_valf.__f)
|
||||
# define HUGE_VALF (__huge_valf.__f)
|
||||
|
||||
# endif /* GCC. */
|
||||
# endif /* GCC. */
|
||||
|
||||
#if __WORDSIZE == 32
|
||||
# if __WORDSIZE == 32
|
||||
|
||||
/* Sparc32 has IEEE 754 64bit long double */
|
||||
# define HUGE_VALL HUGE_VAL
|
||||
# define HUGE_VALL HUGE_VAL
|
||||
|
||||
#else
|
||||
# else
|
||||
|
||||
/* Sparc64 uses IEEE 754 128bit long double */
|
||||
|
||||
#ifdef __GNUC__
|
||||
# ifdef __GNUC__
|
||||
|
||||
# define HUGE_VALL \
|
||||
# define HUGE_VALL \
|
||||
(__extension__ \
|
||||
((union { struct { unsigned long __h, __l; } __i; long double __d; }) \
|
||||
{ __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d)
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
# else /* not GCC */
|
||||
|
||||
typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t;
|
||||
|
||||
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
|
||||
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
|
||||
|
||||
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
|
||||
# define HUGE_VALL (__huge_vall.__d)
|
||||
# define HUGE_VALL (__huge_vall.__d)
|
||||
|
||||
#endif /* GCC. */
|
||||
# endif /* GCC. */
|
||||
|
||||
#endif
|
||||
# endif
|
||||
|
||||
# endif /* GCC 2.95. */
|
||||
|
||||
#endif /* __USE_ISOC9X. */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user