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Update.
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.
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Ulrich Drepper
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ChangeLog
19
ChangeLog
@ -1,3 +1,22 @@
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1999-09-10 Ulrich Drepper <drepper@cygnus.com>
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* wcsmbs/wchar.h (WCHAR_MIN, WCHAR_MAX): Use all-numeric values.
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* sysdeps/generic/stdint.h: Correct WCHAR_MIN, WCHAR_MAX, and
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WINT_MAX values.
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* wctype/wctype.h: Remove incorrect towlower/towupper optimizations.
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1999-09-09 Andreas Schwab <schwab@suse.de>
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* elf/link.h: Fix comment.
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1999-09-10 Ulrich Drepper <drepper@cygnus.com>
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* math/bits/mathcalls.h: Add __isnan declaration [PR libc/1294].
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* math/math.h: Pretty print.
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1999-09-10 Andreas Schwab <schwab@suse.de>
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* sysdeps/generic/getenv.c (getenv): Fix lookup for single
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@ -70,7 +70,8 @@ extern struct r_debug _r_debug;
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of whatever module refers to `_DYNAMIC'. So, to find its own
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`struct r_debug', a program could do:
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for (dyn = _DYNAMIC; dyn->d_tag != DT_NULL)
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if (dyn->d_tag == DT_DEBUG) r_debug = (struct r_debug) dyn->d_un.d_ptr;
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if (dyn->d_tag == DT_DEBUG)
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r_debug = (struct r_debug *) dyn->d_un.d_ptr;
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*/
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extern ElfW(Dyn) _DYNAMIC[];
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@ -210,6 +210,9 @@ __MATHCALLX (nan,, (__const char *__tagb), (__const__));
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#endif
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/* Return nonzero if VALUE is not a number. */
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__MATHDECLX (int,__isnan,, (_Mdouble_ __value), (__const__));
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#if defined __USE_MISC || defined __USE_XOPEN
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/* Return nonzero if VALUE is not a number. */
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__MATHDECLX (int,isnan,, (_Mdouble_ __value), (__const__));
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52
math/math.h
52
math/math.h
@ -1,5 +1,5 @@
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/* Declarations for math functions.
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Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
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Copyright (C) 1991,92,93,95,96,97,98,99 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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@ -166,68 +166,68 @@ enum
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};
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/* Return number of classification appropriate for X. */
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#ifdef __NO_LONG_DOUBLE_MATH
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# define fpclassify(x) \
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# ifdef __NO_LONG_DOUBLE_MATH
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# define fpclassify(x) \
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(sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x))
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#else
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# define fpclassify(x) \
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# else
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# define fpclassify(x) \
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(sizeof (x) == sizeof (float) ? \
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__fpclassifyf (x) \
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: sizeof (x) == sizeof (double) ? \
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__fpclassify (x) : __fpclassifyl (x))
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#endif
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# endif
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/* Return nonzero value if sign of X is negative. */
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#ifdef __NO_LONG_DOUBLE_MATH
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# define signbit(x) \
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# ifdef __NO_LONG_DOUBLE_MATH
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# define signbit(x) \
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(sizeof (x) == sizeof (float) ? __signbitf (x) : __signbit (x))
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#else
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# define signbit(x) \
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# else
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# define signbit(x) \
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(sizeof (x) == sizeof (float) ? \
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__signbitf (x) \
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: sizeof (x) == sizeof (double) ? \
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__signbit (x) : __signbitl (x))
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#endif
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# endif
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/* Return nonzero value if X is not +-Inf or NaN. */
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#ifdef __NO_LONG_DOUBLE_MATH
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# define isfinite(x) \
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# ifdef __NO_LONG_DOUBLE_MATH
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# define isfinite(x) \
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(sizeof (x) == sizeof (float) ? __finitef (x) : __finite (x))
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#else
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# define isfinite(x) \
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# else
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# define isfinite(x) \
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(sizeof (x) == sizeof (float) ? \
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__finitef (x) \
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: sizeof (x) == sizeof (double) ? \
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__finite (x) : __finitel (x))
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#endif
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# endif
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/* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */
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# define isnormal(x) (fpclassify (x) == FP_NORMAL)
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/* Return nonzero value if X is a NaN. We could use `fpclassify' but
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we already have this functions `__isnan' and it is faster. */
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#ifdef __NO_LONG_DOUBLE_MATH
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# define isnan(x) \
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# ifdef __NO_LONG_DOUBLE_MATH
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# define isnan(x) \
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(sizeof (x) == sizeof (float) ? __isnanf (x) : __isnan (x))
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#else
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# define isnan(x) \
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# else
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# define isnan(x) \
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(sizeof (x) == sizeof (float) ? \
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__isnanf (x) \
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: sizeof (x) == sizeof (double) ? \
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__isnan (x) : __isnanl (x))
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#endif
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# endif
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/* Return nonzero value is X is positive or negative infinity. */
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#ifdef __NO_LONG_DOUBLE_MATH
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# define isinf(x) \
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# ifdef __NO_LONG_DOUBLE_MATH
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# define isinf(x) \
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(sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x))
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#else
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# define isinf(x) \
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# else
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# define isinf(x) \
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(sizeof (x) == sizeof (float) ? \
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__isinff (x) \
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: sizeof (x) == sizeof (double) ? \
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__isinf (x) : __isinfl (x))
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#endif
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# endif
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#endif /* Use ISO C 9X. */
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@ -269,13 +269,13 @@ typedef unsigned long long int uintmax_t;
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/* Limits of `wchar_t'. */
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# ifndef WCHAR_MIN
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/* These constants might also be defined in <wchar.h>. */
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# define WCHAR_MIN (-2147483647-1)
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# define WCHAR_MIN (0)
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# define WCHAR_MAX (2147483647)
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# endif
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/* Limits of `wint_t'. */
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# define WINT_MIN (0)
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# define WINT_MAX (4294967295U)
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# define WINT_MAX (2147483647)
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#endif /* C++ && limit macros */
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@ -77,8 +77,8 @@ typedef __mbstate_t mbstate_t;
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#ifndef WCHAR_MIN
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/* These constants might also be defined in <inttypes.h>. */
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# define WCHAR_MIN ((wchar_t) 0)
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# define WCHAR_MAX (~WCHAR_MIN)
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# define WCHAR_MIN (0)
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# define WCHAR_MAX (0x7fffffff)
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#endif
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#ifndef WEOF
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@ -235,21 +235,6 @@ extern wint_t towupper __P ((wint_t __wc));
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/* Map the wide character WC using the mapping described by DESC. */
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extern wint_t __towctrans __P ((wint_t __wc, wctrans_t __desc));
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#if __GNUC__ >= 2 && defined __OPTIMIZE__
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/* The tables are always organized in a way which allows direct access
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for single byte characters. */
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extern __const __int32_t *__ctype_tolower; /* Case conversions. */
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extern __const __int32_t *__ctype_toupper; /* Case conversions. */
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# define towlower(wc) \
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(__builtin_constant_p (wc) && (wc) >= L'\0' && (wc) <= L'\xff' \
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? (wint_t) __ctype_tolower[wc] : towlower (wc))
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# define towuppert(wc) \
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(__builtin_constant_p (wc) && (wc) >= L'\0' && (wc) <= L'\xff' \
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? (wint_t) __ctype_toupper[wc] : towupper (wc))
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#endif /* gcc && optimizing */
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__END_DECLS
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#endif /* need iswxxx. */
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