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/*
* 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.
*
*/
#ifndef _STLP_LIMITS_C
#define _STLP_LIMITS_C
#ifndef _STLP_INTERNAL_LIMITS
# include <stl/_limits.h>
#endif
//==========================================================
// numeric_limits static members
//==========================================================
_STLP_BEGIN_NAMESPACE
_STLP_MOVE_TO_PRIV_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);
# undef __declare_integer_limits_member
# 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);
# undef __declare_float_limits_member
#endif /* _STLP_STATIC_CONST_INIT_BUG */
#if defined (_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 /* __OS400__ */
# define _STLP_FLOAT_INF_REP { 0x7f80, 0 }
# define _STLP_FLOAT_QNAN_REP { 0x7fc1, 0 }
# define _STLP_FLOAT_SNAN_REP { 0x7f81, 0 }
# define _STLP_DOUBLE_INF_REP { 0x7ff0, 0, 0, 0 }
# define _STLP_DOUBLE_QNAN_REP { 0x7ff9, 0, 0, 0 }
# define _STLP_DOUBLE_SNAN_REP { 0x7ff1, 0, 0, 0 }
# define _STLP_LDOUBLE_INF_REP { 0x7ff0, 0, 0, 0, 0, 0, 0, 0 }
# define _STLP_LDOUBLE_QNAN_REP { 0x7ff1, 0, 0, 0, 0, 0, 0, 0 }
# define _STLP_LDOUBLE_SNAN_REP { 0x7ff9, 0, 0, 0, 0, 0, 0, 0 }
# endif /* __OS400__ */
# 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 { 0, 0x7fa0 }
# define _STLP_DOUBLE_INF_REP { 0, 0, 0, 0x7ff0 }
# define _STLP_DOUBLE_QNAN_REP { 0, 0, 0, 0x7ff8 }
# define _STLP_DOUBLE_SNAN_REP { 0, 0, 0, 0x7ff4 }
# if defined (_STLP_MSVC) || defined (__ICL)
# 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 }
# elif defined (__BORLANDC__)
# define _STLP_LDOUBLE_INF_REP { 0, 0, 0, 0x8000, 0x7fff }
# define _STLP_LDOUBLE_QNAN_REP { 0, 0, 0, 0xc000, 0x7fff }
# define _STLP_LDOUBLE_SNAN_REP { 0, 0, 0, 0xa000, 0x7fff }
# else
# define _STLP_LDOUBLE_INF_REP { 0, 0, 0, 0x8000, 0x7fff, 0 }
# define _STLP_LDOUBLE_QNAN_REP { 0, 0, 0, 0xa000, 0x7fff, 0 }
# define _STLP_LDOUBLE_SNAN_REP { 0, 0, 0, 0xc000, 0x7fff, 0 }
# 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 0
/*
# if defined(_STLP_BIG_ENDIAN)
# elif defined (_STLP_LITTLE_ENDIAN)
# 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
*/
# endif
union _F_rep {
unsigned short rep[2];
float val;
};
union _D_rep {
unsigned short rep[4];
double val;
};
# ifndef _STLP_NO_LONG_DOUBLE
union _LD_rep {
unsigned short rep[8];
long double val;
};
# endif
template <class __dummy>
float _STLP_CALL _LimG<__dummy>::get_F_inf() {
_F_rep _F_inf = {_STLP_FLOAT_INF_REP};
return _F_inf.val;
}
template <class __dummy>
float _STLP_CALL _LimG<__dummy>::get_F_qNaN() {
_F_rep _F_qNaN = {_STLP_FLOAT_QNAN_REP};
return _F_qNaN.val;
}
template <class __dummy>
float _STLP_CALL _LimG<__dummy>::get_F_sNaN() {
_F_rep _F_sNaN = {_STLP_FLOAT_SNAN_REP};
return _F_sNaN.val;
}
template <class __dummy>
double _STLP_CALL _LimG<__dummy>::get_D_inf() {
_D_rep _D_inf = {_STLP_DOUBLE_INF_REP};
return _D_inf.val;
}
template <class __dummy>
double _STLP_CALL _LimG<__dummy>::get_D_qNaN() {
_D_rep _D_qNaN = {_STLP_DOUBLE_QNAN_REP};
return _D_qNaN.val;
}
template <class __dummy>
double _STLP_CALL _LimG<__dummy>::get_D_sNaN() {
_D_rep _D_sNaN = {_STLP_DOUBLE_SNAN_REP};
return _D_sNaN.val;
}
# if !defined (_STLP_NO_LONG_DOUBLE)
template <class __dummy>
long double _STLP_CALL _LimG<__dummy>::get_LD_inf() {
_LD_rep _LD_inf = {_STLP_LDOUBLE_INF_REP};
return _LD_inf.val;
}
template <class __dummy>
long double _STLP_CALL _LimG<__dummy>::get_LD_qNaN() {
_LD_rep _LD_qNaN = {_STLP_LDOUBLE_QNAN_REP};
return _LD_qNaN.val;
}
template <class __dummy>
long double _STLP_CALL _LimG<__dummy>::get_LD_sNaN() {
_LD_rep _LD_sNaN = {_STLP_LDOUBLE_SNAN_REP};
return _LD_sNaN.val;
}
# endif /* _STLP_NO_LONG_DOUBLE */
#endif /* _STLP_EXPOSE_GLOBALS_IMPLEMENTATION */
#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_MOVE_TO_STD_NAMESPACE
_STLP_END_NAMESPACE
#endif /* _STLP_LIMITS_C_INCLUDED */
|
