69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
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/* Old compatibility names for <limits.h> and <float.h> constants.
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Copyright (C) 1995-2019 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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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* This interface is obsolete. New programs should use
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<limits.h> and/or <float.h> instead of <values.h>. */
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#ifndef _VALUES_H
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#define _VALUES_H 1
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#include <features.h>
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#include <limits.h>
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#define _TYPEBITS(type) (sizeof (type) * CHAR_BIT)
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#define CHARBITS _TYPEBITS (char)
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#define SHORTBITS _TYPEBITS (short int)
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#define INTBITS _TYPEBITS (int)
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#define LONGBITS _TYPEBITS (long int)
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#define PTRBITS _TYPEBITS (char *)
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#define DOUBLEBITS _TYPEBITS (double)
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#define FLOATBITS _TYPEBITS (float)
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#define MINSHORT SHRT_MIN
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#define MININT INT_MIN
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#define MINLONG LONG_MIN
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#define MAXSHORT SHRT_MAX
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#define MAXINT INT_MAX
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#define MAXLONG LONG_MAX
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#define HIBITS MINSHORT
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#define HIBITL MINLONG
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#include <float.h>
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#define MAXDOUBLE DBL_MAX
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#define MAXFLOAT FLT_MAX
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#define MINDOUBLE DBL_MIN
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#define MINFLOAT FLT_MIN
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#define DMINEXP DBL_MIN_EXP
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#define FMINEXP FLT_MIN_EXP
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#define DMAXEXP DBL_MAX_EXP
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#define FMAXEXP FLT_MAX_EXP
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#ifdef __USE_MISC
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/* Some systems define this name instead of CHAR_BIT or CHARBITS. */
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# define BITSPERBYTE CHAR_BIT
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#endif
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#endif /* values.h */
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