epoc32/include/stdapis/stlport/stl/_limits.c
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h) This is the epoc32/include tree with the "platform" subtrees removed, and all but a selected few mbg and rsg files removed.

/*
 * Copyright (c) 1998,1999
 * Silicon Graphics Computer Systems, Inc.
 *
 * Copyright (c) 1999 
 * Boris Fomitchev
 *
 * This material is provided "as is", with absolutely no warranty expressed
 * or implied. Any use is at your own risk.
 *
 * Permission to use or copy this software for any purpose is hereby granted 
 * without fee, provided the above notices are retained on all copies.
 * Permission to modify the code and to distribute modified code is granted,
 * provided the above notices are retained, and a notice that the code was
 * modified is included with the above copyright notice.
 *
 */

# if !defined (_STLP_LIMITS_C)
#  define _STLP_LIMITS_C

#ifndef _STLP_INTERNAL_LIMITS_H
# include <stl/_limits.h>
#endif

//==========================================================
//  numeric_limits static members
//==========================================================

_STLP_BEGIN_NAMESPACE

# if ! defined ( _STLP_STATIC_CONST_INIT_BUG)

#   define __declare_numeric_base_member(__type, __mem, _Init) \
template <class __number> \
  const __type _Numeric_limits_base<__number>:: __mem

__declare_numeric_base_member(bool, is_specialized, false);
__declare_numeric_base_member(int, digits, 0);
__declare_numeric_base_member(int, digits10, 0);
__declare_numeric_base_member(bool, is_signed, false);
__declare_numeric_base_member(bool, is_integer, false);
__declare_numeric_base_member(bool, is_exact, false);
__declare_numeric_base_member(int, radix, 0);
__declare_numeric_base_member(int, min_exponent, 0);
__declare_numeric_base_member(int, max_exponent, 0);
__declare_numeric_base_member(int, min_exponent10, 0);
__declare_numeric_base_member(int, max_exponent10, 0);
__declare_numeric_base_member(bool, has_infinity, false);
__declare_numeric_base_member(bool, has_quiet_NaN, false);
__declare_numeric_base_member(bool, has_signaling_NaN, false);
__declare_numeric_base_member(float_denorm_style, has_denorm, denorm_absent);
__declare_numeric_base_member(bool, has_denorm_loss, false);
__declare_numeric_base_member(bool, is_iec559, false);
__declare_numeric_base_member(bool, is_bounded, false);
__declare_numeric_base_member(bool, is_modulo, false);
__declare_numeric_base_member(bool, traps, false);
__declare_numeric_base_member(bool, tinyness_before, false);
__declare_numeric_base_member(float_round_style, round_style, round_toward_zero);

# undef __declare_numeric_base_member

#   define __declare_integer_limits_member(__type, __mem, _Init) \
template <class _Int, _STLP_LIMITS_MIN_TYPE __imin, _STLP_LIMITS_MAX_TYPE __imax, int __idigits, bool __ismod> \
  const __type _Integer_limits<_Int, __imin, __imax, __idigits, __ismod>:: __mem

__declare_integer_limits_member(bool, is_specialized, true);
__declare_integer_limits_member(int, digits, (__idigits < 0) ? \
			    ((int)((sizeof(_Int) * (CHAR_BIT))) - ((__imin == 0) ? 0 : 1)) \
                            : (__idigits) );
__declare_integer_limits_member(int, digits10, (int)(301UL * digits) /1000);
__declare_integer_limits_member(bool, is_signed, __imin != 0);
__declare_integer_limits_member(bool, is_integer, true);
__declare_integer_limits_member(bool, is_exact, true);
__declare_integer_limits_member(int, radix, 2);
__declare_integer_limits_member(bool, is_bounded, true);
__declare_integer_limits_member(bool, is_modulo, true);

#   define __declare_float_limits_member(__type, __mem, _Init) \
template <class __number,  \
         int __Digits, int __Digits10,    \
         int __MinExp, int __MaxExp,      \
         int __MinExp10, int __MaxExp10,  \
         bool __IsIEC559, \
         float_round_style __RoundStyle> \
const __type _Floating_limits< __number, __Digits, __Digits10,    \
         __MinExp, __MaxExp, __MinExp10, __MaxExp10,  \
         __IsIEC559, __RoundStyle>::\
         __mem

__declare_float_limits_member(bool, is_specialized, true);  
__declare_float_limits_member(int, digits, __Digits);  
__declare_float_limits_member(int, digits10, __Digits10);  
__declare_float_limits_member(bool, is_signed, true);  
__declare_float_limits_member(int, radix, FLT_RADIX);  
__declare_float_limits_member(int, min_exponent, __MinExp);  
__declare_float_limits_member(int, max_exponent, __MaxExp);  
__declare_float_limits_member(int, min_exponent10, __MinExp10);  
__declare_float_limits_member(int, max_exponent10, __MaxExp10);  
__declare_float_limits_member(bool, has_infinity, true);
__declare_float_limits_member(bool, has_quiet_NaN, true);
__declare_float_limits_member(bool, has_signaling_NaN, true);
__declare_float_limits_member(float_denorm_style, has_denorm, denorm_indeterminate);
__declare_float_limits_member(bool, has_denorm_loss, false);
__declare_float_limits_member(bool, is_iec559, __IsIEC559);
__declare_float_limits_member(bool, is_bounded, true);
__declare_float_limits_member(bool, traps, true);
__declare_float_limits_member(bool, tinyness_before, false);
__declare_float_limits_member(float_round_style, round_style, __RoundStyle);

# endif /* _STLP_STATIC_CONST_INIT_BUG */


# ifdef _STLP_EXPOSE_GLOBALS_IMPLEMENTATION

# if defined(_STLP_BIG_ENDIAN)
# if defined(__OS400__)
#  define _STLP_FLOAT_INF_REP { 0x7f80, 0 }
#  define _STLP_FLOAT_QNAN_REP { 0xffc0, 0 }
#  define _STLP_FLOAT_SNAN_REP { 0xff80, 0 }
#  define _STLP_DOUBLE_INF_REP { 0x7ff0, 0, 0, 0 }
#  define _STLP_DOUBLE_QNAN_REP { 0xfff8, 0, 0, 0 }
#  define _STLP_DOUBLE_SNAN_REP { 0xfff0, 0, 0, 0 }
#  define _STLP_LDOUBLE_INF_REP { 0x7ff0, 0, 0, 0, 0, 0, 0, 0 }
#  define _STLP_LDOUBLE_QNAN_REP { 0xfff8, 0, 0, 0, 0, 0, 0, 0 }
#  define _STLP_LDOUBLE_SNAN_REP { 0xfff0, 0, 0, 0, 0, 0, 0, 0 }
# else
#  define _STLP_FLOAT_INF_REP   { 0x7f80, 0 }
#  define _STLP_FLOAT_SNAN_REP  { 0x7f81, 0 }
#  define _STLP_FLOAT_QNAN_REP  { 0x7fc1, 0 }
#  define _STLP_DOUBLE_INF_REP  { 0x7ff0, 0, 0, 0 }
#  define _STLP_DOUBLE_QNAN_REP { 0x7ff1, 0, 0, 0 }
#  define _STLP_DOUBLE_SNAN_REP { 0x7ff9, 0, 0, 0 }
#  define _STLP_LDOUBLE_INF_REP { 0x7ff0, 0, 0, 0, 0, 0, 0, 0 }
#  define _STLP_LDOUBLE_SNAN_REP { 0x7ff1, 0, 0, 0, 0, 0, 0, 0 }
#  define _STLP_LDOUBLE_QNAN_REP { 0x7ff9, 0, 0, 0, 0, 0, 0, 0 }
# endif

# elif defined (_STLP_LITTLE_ENDIAN)

# if 0 /* defined(_STLP_MSVC) || defined(__linux__) */
// some IA-32 platform ?? 
#  define _STLP_FLOAT_INF_REP { 0, 0x7f80 }
#  define _STLP_FLOAT_QNAN_REP { 0, 0xffc0 }
#  define _STLP_FLOAT_SNAN_REP { 0, 0xff80 }

#  define _STLP_DOUBLE_INF_REP { 0, 0, 0, 0x7ff0 }
#  define _STLP_DOUBLE_QNAN_REP { 0, 0, 0, 0xfff8 }
#  define _STLP_DOUBLE_SNAN_REP { 0, 0, 0, 0xfff0 }
#  define _STLP_LDOUBLE_INF_REP { 0, 0, 0, 0x7FF0, 0 } // ????
#  define _STLP_LDOUBLE_QNAN_REP { 0, 0, 0, 0xFFF8, 0 } // ????
#  define _STLP_LDOUBLE_SNAN_REP { 0, 0, 0, 0xFFF0, 0 } // ????

# elif defined(__DECCXX)

#  define _STLP_FLOAT_INF_REP { 0, 0x7f80 }
#  define _STLP_FLOAT_QNAN_REP { 0, 0xffc0 }
#  define _STLP_FLOAT_SNAN_REP { 0x5555, 0x7f85 }

#  define _STLP_DOUBLE_INF_REP { 0, 0, 0, 0x7ff0 }
#  define _STLP_DOUBLE_QNAN_REP { 0, 0, 0, 0xfff8 }
#  define _STLP_DOUBLE_SNAN_REP { 0x5555, 0x5555, 0x5555, 0x7ff5 }

#  define _STLP_LDOUBLE_INF_REP { 0, 0, 0, 0, 0, 0, 0, 0x7fff }
#  define _STLP_LDOUBLE_QNAN_REP { 0, 0, 0, 0, 0, 0, 0x8000, 0xffff }
#  define _STLP_LDOUBLE_SNAN_REP { 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x7fff}
# else
#  define _STLP_FLOAT_INF_REP { 0, 0x7f80 }
#  define _STLP_FLOAT_QNAN_REP { 0, 0x7fC0 }
#  define _STLP_FLOAT_SNAN_REP { 0x0001, 0x7f80 }
#  define _STLP_DOUBLE_INF_REP { 0, 0, 0, 0x7ff0 }
#  define _STLP_DOUBLE_QNAN_REP { 0, 0, 0, 0x7ff8 }
#  define _STLP_DOUBLE_SNAN_REP { 0x0001, 0, 0, 0x7ff0 }
#  if defined (_STLP_MSVC) || defined (__ICL) || defined (__BORLANDC__)
#   define _STLP_LDOUBLE_INF_REP { 0, 0, 0, 0x7FF0, 0 } // ????
#   define _STLP_LDOUBLE_QNAN_REP { 0, 0, 0, 0xFFF8, 0 } // ????
#   define _STLP_LDOUBLE_SNAN_REP { 0, 0, 0, 0xFFF8, 0 }
#  else
#   define _STLP_LDOUBLE_INF_REP { 0, 0, 0, 0x8000, 0x7fff }
#   define _STLP_LDOUBLE_QNAN_REP { 0, 0, 0, 0xa000, 0x7fff }
#   define _STLP_LDOUBLE_SNAN_REP { 0, 0, 0, 0xc000, 0x7fff }
#  endif
# endif
#else
/* This is an architecture we don't know how to handle. Return some
obviously wrong values. */
# define _STLP_FLOAT_INF_REP { 0, 0 }
# define _STLP_FLOAT_QNAN_REP { 0, 0 }
# define _STLP_FLOAT_SNAN_REP { 0, 0 }
# define _STLP_DOUBLE_INF_REP { 0, 0 }
# define _STLP_DOUBLE_QNAN_REP { 0, 0 }
# define _STLP_DOUBLE_SNAN_REP { 0, 0 }
# define _STLP_LDOUBLE_INF_REP { 0 }
# define _STLP_LDOUBLE_QNAN_REP { 0 }
# define _STLP_LDOUBLE_SNAN_REP { 0 }

#endif

#if ( _STLP_STATIC_TEMPLATE_DATA > 0 )
# ifndef _STLP_NO_LONG_DOUBLE
template <class __dummy>
const _L_rep _LimG<__dummy>::_L_inf  = {_STLP_LDOUBLE_INF_REP}; 
template <class __dummy>
const _L_rep _LimG<__dummy>::_L_qNaN  = {_STLP_LDOUBLE_QNAN_REP}; 
template <class __dummy>
const _L_rep _LimG<__dummy>::_L_sNaN  = {_STLP_LDOUBLE_SNAN_REP}; 
# endif
template <class __dummy>
const _D_rep _LimG<__dummy>::_D_inf  = {_STLP_DOUBLE_INF_REP}; 
template <class __dummy>
const _D_rep _LimG<__dummy>::_D_qNaN  = {_STLP_DOUBLE_QNAN_REP}; 
template <class __dummy>
const _D_rep _LimG<__dummy>::_D_sNaN  = {_STLP_DOUBLE_SNAN_REP}; 
template <class __dummy>
const _F_rep _LimG<__dummy>::_F_inf  = {_STLP_FLOAT_INF_REP}; 
template <class __dummy>
const _F_rep _LimG<__dummy>::_F_qNaN  = {_STLP_FLOAT_QNAN_REP}; 
template <class __dummy>
const _F_rep _LimG<__dummy>::_F_sNaN  = {_STLP_FLOAT_SNAN_REP}; 

#else

__DECLARE_INSTANCE( const _F_rep,
                   _LimG<bool>::_F_inf,  = _STLP_FLOAT_INF_REP);
__DECLARE_INSTANCE( const _F_rep,
                   _LimG<bool>::_F_qNaN,  = _STLP_FLOAT_QNAN_REP);
__DECLARE_INSTANCE( const _F_rep,
                   _LimG<bool>::_F_sNaN,  = _STLP_FLOAT_SNAN_REP);
__DECLARE_INSTANCE( const _D_rep,
                   _LimG<bool>::_D_inf,  = _STLP_DOUBLE_INF_REP);
__DECLARE_INSTANCE( const _D_rep,
                   _LimG<bool>::_D_qNaN,  = _STLP_DOUBLE_QNAN_REP);
__DECLARE_INSTANCE( const _D_rep,
                   _LimG<bool>::_D_sNaN,  = _STLP_DOUBLE_SNAN_REP);
# ifndef _STLP_NO_LONG_DOUBLE
__DECLARE_INSTANCE( const _L_rep,
                   _LimG<bool>::_L_inf,  = _STLP_LDOUBLE_INF_REP);
__DECLARE_INSTANCE( const _L_rep,
                   _LimG<bool>::_L_qNaN,  = _STLP_LDOUBLE_QNAN_REP);
__DECLARE_INSTANCE( const _L_rep,
                   _LimG<bool>::_L_sNaN,  = _STLP_LDOUBLE_SNAN_REP);
# endif

#endif /* STATIC_DATA */   

# endif /* _STLP_EXPOSE_GLOBALS_IMPLEMENTATION */
    
# undef __declare_integer_limits_member
# undef __declare_float_limits_member
# undef __HACK_ILIMITS
# undef __HACK_NOTHING
# undef __declare_int_members
# undef __declare_float_members
# undef _STLP_LIMITS_MIN_TYPE
# undef _STLP_LIMITS_MAX_TYPE

# undef _STLP_FLOAT_INF_REP
# undef _STLP_FLOAT_QNAN_REP
# undef _STLP_FLOAT_SNAN_REP
# undef _STLP_DOUBLE_INF_REP
# undef _STLP_DOUBLE_QNAN_REP
# undef _STLP_DOUBLE_SNAN_REP
# undef _STLP_LDOUBLE_INF_REP
# undef _STLP_LDOUBLE_QNAN_REP
# undef _STLP_LDOUBLE_SNAN_REP

_STLP_END_NAMESPACE


#endif /* _STLP_LIMITS_C_INCLUDED */