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1999-09-10  Ulrich Drepper  <drepper@cygnus.com>

	* wcsmbs/wchar.h (WCHAR_MIN, WCHAR_MAX): Use all-numeric values.

	* sysdeps/generic/stdint.h: Correct WCHAR_MIN, WCHAR_MAX, and
	WINT_MAX values.

	* wctype/wctype.h: Remove incorrect towlower/towupper optimizations.

1999-09-09  Andreas Schwab  <schwab@suse.de>

	* elf/link.h: Fix comment.

1999-09-10  Ulrich Drepper  <drepper@cygnus.com>

	* math/bits/mathcalls.h: Add __isnan declaration [PR libc/1294].

	* math/math.h: Pretty print.
This commit is contained in:
Ulrich Drepper
1999-09-10 19:43:01 +00:00
parent ec6275c0b7
commit 6833780818
7 changed files with 54 additions and 46 deletions
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19
ChangeLog
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@@ -1,3 +1,22 @@
1999-09-10 Ulrich Drepper <drepper@cygnus.com>
* wcsmbs/wchar.h (WCHAR_MIN, WCHAR_MAX): Use all-numeric values.
* sysdeps/generic/stdint.h: Correct WCHAR_MIN, WCHAR_MAX, and
WINT_MAX values.
* wctype/wctype.h: Remove incorrect towlower/towupper optimizations.
1999-09-09 Andreas Schwab <schwab@suse.de>
* elf/link.h: Fix comment.
1999-09-10 Ulrich Drepper <drepper@cygnus.com>
* math/bits/mathcalls.h: Add __isnan declaration [PR libc/1294].
* math/math.h: Pretty print.
1999-09-10 Andreas Schwab <schwab@suse.de> 1999-09-10 Andreas Schwab <schwab@suse.de>
* sysdeps/generic/getenv.c (getenv): Fix lookup for single * sysdeps/generic/getenv.c (getenv): Fix lookup for single

3
elf/link.h
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@@ -70,7 +70,8 @@ extern struct r_debug _r_debug;
of whatever module refers to `_DYNAMIC'. So, to find its own of whatever module refers to `_DYNAMIC'. So, to find its own
`struct r_debug', a program could do: `struct r_debug', a program could do:
for (dyn = _DYNAMIC; dyn->d_tag != DT_NULL) for (dyn = _DYNAMIC; dyn->d_tag != DT_NULL)
if (dyn->d_tag == DT_DEBUG) r_debug = (struct r_debug) dyn->d_un.d_ptr; if (dyn->d_tag == DT_DEBUG)
r_debug = (struct r_debug *) dyn->d_un.d_ptr;
*/ */
extern ElfW(Dyn) _DYNAMIC[]; extern ElfW(Dyn) _DYNAMIC[];

3
math/bits/mathcalls.h
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@@ -210,6 +210,9 @@ __MATHCALLX (nan,, (__const char *__tagb), (__const__));
#endif #endif
/* Return nonzero if VALUE is not a number. */
__MATHDECLX (int,__isnan,, (_Mdouble_ __value), (__const__));
#if defined __USE_MISC || defined __USE_XOPEN #if defined __USE_MISC || defined __USE_XOPEN
/* Return nonzero if VALUE is not a number. */ /* Return nonzero if VALUE is not a number. */
__MATHDECLX (int,isnan,, (_Mdouble_ __value), (__const__)); __MATHDECLX (int,isnan,, (_Mdouble_ __value), (__const__));

52
math/math.h
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@@ -1,5 +1,5 @@
/* Declarations for math functions. /* Declarations for math functions.
Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc. Copyright (C) 1991,92,93,95,96,97,98,99 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@@ -166,68 +166,68 @@ enum
}; };
/* Return number of classification appropriate for X. */ /* Return number of classification appropriate for X. */
#ifdef __NO_LONG_DOUBLE_MATH # ifdef __NO_LONG_DOUBLE_MATH
# define fpclassify(x) \ # define fpclassify(x) \
(sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x)) (sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x))
#else # else
# define fpclassify(x) \ # define fpclassify(x) \
(sizeof (x) == sizeof (float) ? \ (sizeof (x) == sizeof (float) ? \
__fpclassifyf (x) \ __fpclassifyf (x) \
: sizeof (x) == sizeof (double) ? \ : sizeof (x) == sizeof (double) ? \
__fpclassify (x) : __fpclassifyl (x)) __fpclassify (x) : __fpclassifyl (x))
#endif # endif
/* Return nonzero value if sign of X is negative. */ /* Return nonzero value if sign of X is negative. */
#ifdef __NO_LONG_DOUBLE_MATH # ifdef __NO_LONG_DOUBLE_MATH
# define signbit(x) \ # define signbit(x) \
(sizeof (x) == sizeof (float) ? __signbitf (x) : __signbit (x)) (sizeof (x) == sizeof (float) ? __signbitf (x) : __signbit (x))
#else # else
# define signbit(x) \ # define signbit(x) \
(sizeof (x) == sizeof (float) ? \ (sizeof (x) == sizeof (float) ? \
__signbitf (x) \ __signbitf (x) \
: sizeof (x) == sizeof (double) ? \ : sizeof (x) == sizeof (double) ? \
__signbit (x) : __signbitl (x)) __signbit (x) : __signbitl (x))
#endif # endif
/* Return nonzero value if X is not +-Inf or NaN. */ /* Return nonzero value if X is not +-Inf or NaN. */
#ifdef __NO_LONG_DOUBLE_MATH # ifdef __NO_LONG_DOUBLE_MATH
# define isfinite(x) \ # define isfinite(x) \
(sizeof (x) == sizeof (float) ? __finitef (x) : __finite (x)) (sizeof (x) == sizeof (float) ? __finitef (x) : __finite (x))
#else # else
# define isfinite(x) \ # define isfinite(x) \
(sizeof (x) == sizeof (float) ? \ (sizeof (x) == sizeof (float) ? \
__finitef (x) \ __finitef (x) \
: sizeof (x) == sizeof (double) ? \ : sizeof (x) == sizeof (double) ? \
__finite (x) : __finitel (x)) __finite (x) : __finitel (x))
#endif # endif
/* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */ /* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */
# define isnormal(x) (fpclassify (x) == FP_NORMAL) # define isnormal(x) (fpclassify (x) == FP_NORMAL)
/* Return nonzero value if X is a NaN. We could use `fpclassify' but /* Return nonzero value if X is a NaN. We could use `fpclassify' but
we already have this functions `__isnan' and it is faster. */ we already have this functions `__isnan' and it is faster. */
#ifdef __NO_LONG_DOUBLE_MATH # ifdef __NO_LONG_DOUBLE_MATH
# define isnan(x) \ # define isnan(x) \
(sizeof (x) == sizeof (float) ? __isnanf (x) : __isnan (x)) (sizeof (x) == sizeof (float) ? __isnanf (x) : __isnan (x))
#else # else
# define isnan(x) \ # define isnan(x) \
(sizeof (x) == sizeof (float) ? \ (sizeof (x) == sizeof (float) ? \
__isnanf (x) \ __isnanf (x) \
: sizeof (x) == sizeof (double) ? \ : sizeof (x) == sizeof (double) ? \
__isnan (x) : __isnanl (x)) __isnan (x) : __isnanl (x))
#endif # endif
/* Return nonzero value is X is positive or negative infinity. */ /* Return nonzero value is X is positive or negative infinity. */
#ifdef __NO_LONG_DOUBLE_MATH # ifdef __NO_LONG_DOUBLE_MATH
# define isinf(x) \ # define isinf(x) \
(sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x)) (sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x))
#else # else
# define isinf(x) \ # define isinf(x) \
(sizeof (x) == sizeof (float) ? \ (sizeof (x) == sizeof (float) ? \
__isinff (x) \ __isinff (x) \
: sizeof (x) == sizeof (double) ? \ : sizeof (x) == sizeof (double) ? \
__isinf (x) : __isinfl (x)) __isinf (x) : __isinfl (x))
#endif # endif
#endif /* Use ISO C 9X. */ #endif /* Use ISO C 9X. */

4
sysdeps/generic/stdint.h
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@@ -269,13 +269,13 @@ typedef unsigned long long int uintmax_t;
/* Limits of `wchar_t'. */ /* Limits of `wchar_t'. */
# ifndef WCHAR_MIN # ifndef WCHAR_MIN
/* These constants might also be defined in <wchar.h>. */ /* These constants might also be defined in <wchar.h>. */
# define WCHAR_MIN (-2147483647-1) # define WCHAR_MIN (0)
# define WCHAR_MAX (2147483647) # define WCHAR_MAX (2147483647)
# endif # endif
/* Limits of `wint_t'. */ /* Limits of `wint_t'. */
# define WINT_MIN (0) # define WINT_MIN (0)
# define WINT_MAX (4294967295U) # define WINT_MAX (2147483647)
#endif /* C++ && limit macros */ #endif /* C++ && limit macros */

4
wcsmbs/wchar.h
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@@ -77,8 +77,8 @@ typedef __mbstate_t mbstate_t;
#ifndef WCHAR_MIN #ifndef WCHAR_MIN
/* These constants might also be defined in <inttypes.h>. */ /* These constants might also be defined in <inttypes.h>. */
# define WCHAR_MIN ((wchar_t) 0) # define WCHAR_MIN (0)
# define WCHAR_MAX (~WCHAR_MIN) # define WCHAR_MAX (0x7fffffff)
#endif #endif
#ifndef WEOF #ifndef WEOF

15
wctype/wctype.h
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@@ -235,21 +235,6 @@ extern wint_t towupper __P ((wint_t __wc));
/* Map the wide character WC using the mapping described by DESC. */ /* Map the wide character WC using the mapping described by DESC. */
extern wint_t __towctrans __P ((wint_t __wc, wctrans_t __desc)); extern wint_t __towctrans __P ((wint_t __wc, wctrans_t __desc));
#if __GNUC__ >= 2 && defined __OPTIMIZE__
/* The tables are always organized in a way which allows direct access
for single byte characters. */
extern __const __int32_t *__ctype_tolower; /* Case conversions. */
extern __const __int32_t *__ctype_toupper; /* Case conversions. */
# define towlower(wc) \
(__builtin_constant_p (wc) && (wc) >= L'\0' && (wc) <= L'\xff' \
? (wint_t) __ctype_tolower[wc] : towlower (wc))
# define towuppert(wc) \
(__builtin_constant_p (wc) && (wc) >= L'\0' && (wc) <= L'\xff' \
? (wint_t) __ctype_toupper[wc] : towupper (wc))
#endif /* gcc && optimizing */
__END_DECLS __END_DECLS
#endif /* need iswxxx. */ #endif /* need iswxxx. */