// bit layout, but about floating-point NaN (etc.) bit patterns.
#if defined(__sparc) || defined(__sparc__) || defined(__powerpc__) || defined(__ppc__) || defined(__hppa) || defined(_MIPSEB) || defined(_POWER)
#define BOOST_BIG_ENDIAN
-#elif defined(__i386__) || defined(__alpha__)
+#elif defined(__i386__) || defined(__alpha__) || defined(__ia64) || defined(__ia64__)
#define BOOST_LITTLE_ENDIAN
#else
#error The file boost/detail/limits.hpp needs to be set up for your CPU type.
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_quiet_NaN, false);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_signaling_NaN, false);
BOOST_STL_DECLARE_LIMITS_MEMBER(float_denorm_style,
- has_denorm,
- denorm_absent);
+ has_denorm,
+ denorm_absent);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_denorm_loss, false);
static __number infinity() throw() { return __number(); }
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, traps, false);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, tinyness_before, false);
BOOST_STL_DECLARE_LIMITS_MEMBER(float_round_style,
- round_style,
- round_toward_zero);
+ round_style,
+ round_toward_zero);
};
// Base class for integers.
template <class _Int,
- _Int __imin,
- _Int __imax,
- int __idigits = -1>
-class _Integer_limits : public _Numeric_limits_base<_Int>
+ _Int __imin,
+ _Int __imax,
+ int __idigits = -1>
+class _Integer_limits : public _Numeric_limits_base<_Int>
{
public:
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_specialized, true);
static _Int max() throw() { return __imax; }
BOOST_STL_DECLARE_LIMITS_MEMBER(int,
- digits,
- (__idigits < 0) ? (int)(sizeof(_Int) * CHAR_BIT)
- - (__imin == 0 ? 0 : 1)
- : __idigits);
- BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, (digits * 301) / 1000);
- // log 2 = 0.301029995664...
+ digits,
+ (__idigits < 0) ? (int)(sizeof(_Int) * CHAR_BIT)
+ - (__imin == 0 ? 0 : 1)
+ : __idigits);
+ BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, (digits * 301) / 1000);
+ // log 2 = 0.301029995664...
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_signed, __imin != 0);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_integer, true);
// sizeof(long double) == 16
const unsigned int _S_word[4] = { Word, 0, 0, 0 };
return *reinterpret_cast<const Number*>(&_S_word);
- }
+ }
};
#else
// sizeof(long double) == 12, but only 10 bytes significant
const unsigned int _S_word[4] = { 0, 0, 0, Word };
return *reinterpret_cast<const Number*>(
- reinterpret_cast<const char *>(&_S_word)+16-
- (sizeof(Number) == 12 ? 10 : sizeof(Number)));
- }
+ reinterpret_cast<const char *>(&_S_word)+16-
+ (sizeof(Number) == 12 ? 10 : sizeof(Number)));
+ }
};
#endif
// Base class for floating-point numbers.
template <class __number,
- int __Digits, int __Digits10,
- int __MinExp, int __MaxExp,
- int __MinExp10, int __MaxExp10,
- unsigned int __InfinityWord,
- unsigned int __QNaNWord, unsigned int __SNaNWord,
- bool __IsIEC559,
- float_round_style __RoundStyle>
+ int __Digits, int __Digits10,
+ int __MinExp, int __MaxExp,
+ int __MinExp10, int __MaxExp10,
+ unsigned int __InfinityWord,
+ unsigned int __QNaNWord, unsigned int __SNaNWord,
+ bool __IsIEC559,
+ float_round_style __RoundStyle>
class _Floating_limits : public _Numeric_limits_base<__number>
{
public:
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_quiet_NaN, true);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_signaling_NaN, true);
BOOST_STL_DECLARE_LIMITS_MEMBER(float_denorm_style,
- has_denorm,
- denorm_indeterminate);
+ has_denorm,
+ denorm_indeterminate);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_denorm_loss, false);
-
+
static __number infinity() throw() {
return float_helper<__number, __InfinityWord>::get_word();
}
// The unspecialized class.
-template<class T>
+template<class T>
class numeric_limits : public _Numeric_limits_base<T> {};
// Specializations for all built-in integral types.
#if !defined(LONGLONG_MIN)
# define LONGLONG_MIN (-LONGLONG_MAX - 1)
-#endif
+#endif
-template<>
-class numeric_limits<long long>
- : public _Integer_limits<long long, LONGLONG_MIN, LONGLONG_MAX>
-{};
-template<>
-class numeric_limits<unsigned long long>
- : public _Integer_limits<unsigned long long, 0, ULONGLONG_MAX>
-{};
+#if !defined(ULONGLONG_MIN)
+# define ULONGLONG_MIN 0
+#endif
#endif /* __GNUC__ */
// Specializations for all built-in floating-point type.
template<> class numeric_limits<float>
- : public _Floating_limits<float,
- FLT_MANT_DIG, // Binary digits of precision
- FLT_DIG, // Decimal digits of precision
- FLT_MIN_EXP, // Minimum exponent
- FLT_MAX_EXP, // Maximum exponent
- FLT_MIN_10_EXP, // Minimum base 10 exponent
- FLT_MAX_10_EXP, // Maximum base 10 exponent
+ : public _Floating_limits<float,
+ FLT_MANT_DIG, // Binary digits of precision
+ FLT_DIG, // Decimal digits of precision
+ FLT_MIN_EXP, // Minimum exponent
+ FLT_MAX_EXP, // Maximum exponent
+ FLT_MIN_10_EXP, // Minimum base 10 exponent
+ FLT_MAX_10_EXP, // Maximum base 10 exponent
#if defined(BOOST_BIG_ENDIAN)
- 0x7f80 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity
- 0x7f81 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN
- 0x7fc1 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN
+ 0x7f80 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity
+ 0x7f81 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN
+ 0x7fc1 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN
#else
- 0x7f800000u, // Last word of +infinity
- 0x7f810000u, // Last word of quiet NaN
- 0x7fc10000u, // Last word of signaling NaN
+ 0x7f800000u, // Last word of +infinity
+ 0x7f810000u, // Last word of quiet NaN
+ 0x7fc10000u, // Last word of signaling NaN
#endif
- true, // conforms to iec559
- round_to_nearest>
+ true, // conforms to iec559
+ round_to_nearest>
{
public:
static float min() throw() { return FLT_MIN; }
};
template<> class numeric_limits<double>
- : public _Floating_limits<double,
- DBL_MANT_DIG, // Binary digits of precision
- DBL_DIG, // Decimal digits of precision
- DBL_MIN_EXP, // Minimum exponent
- DBL_MAX_EXP, // Maximum exponent
- DBL_MIN_10_EXP, // Minimum base 10 exponent
- DBL_MAX_10_EXP, // Maximum base 10 exponent
+ : public _Floating_limits<double,
+ DBL_MANT_DIG, // Binary digits of precision
+ DBL_DIG, // Decimal digits of precision
+ DBL_MIN_EXP, // Minimum exponent
+ DBL_MAX_EXP, // Maximum exponent
+ DBL_MIN_10_EXP, // Minimum base 10 exponent
+ DBL_MAX_10_EXP, // Maximum base 10 exponent
#if defined(BOOST_BIG_ENDIAN)
- 0x7ff0 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity
- 0x7ff1 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN
- 0x7ff9 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN
+ 0x7ff0 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity
+ 0x7ff1 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN
+ 0x7ff9 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN
#else
- 0x7ff00000u, // Last word of +infinity
- 0x7ff10000u, // Last word of quiet NaN
- 0x7ff90000u, // Last word of signaling NaN
+ 0x7ff00000u, // Last word of +infinity
+ 0x7ff10000u, // Last word of quiet NaN
+ 0x7ff90000u, // Last word of signaling NaN
#endif
- true, // conforms to iec559
- round_to_nearest>
+ true, // conforms to iec559
+ round_to_nearest>
{
public:
static double min() throw() { return DBL_MIN; }
};
template<> class numeric_limits<long double>
- : public _Floating_limits<long double,
- LDBL_MANT_DIG, // Binary digits of precision
- LDBL_DIG, // Decimal digits of precision
- LDBL_MIN_EXP, // Minimum exponent
- LDBL_MAX_EXP, // Maximum exponent
- LDBL_MIN_10_EXP,// Minimum base 10 exponent
- LDBL_MAX_10_EXP,// Maximum base 10 exponent
+ : public _Floating_limits<long double,
+ LDBL_MANT_DIG, // Binary digits of precision
+ LDBL_DIG, // Decimal digits of precision
+ LDBL_MIN_EXP, // Minimum exponent
+ LDBL_MAX_EXP, // Maximum exponent
+ LDBL_MIN_10_EXP,// Minimum base 10 exponent
+ LDBL_MAX_10_EXP,// Maximum base 10 exponent
#if defined(BOOST_BIG_ENDIAN)
- 0x7ff0 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity
- 0x7ff1 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN
- 0x7ff9 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN
+ 0x7ff0 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity
+ 0x7ff1 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN
+ 0x7ff9 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN
#else
- 0x7fff8000u, // Last word of +infinity
- 0x7fffc000u, // Last word of quiet NaN
- 0x7fff9000u, // Last word of signaling NaN
+ 0x7fff8000u, // Last word of +infinity
+ 0x7fffc000u, // Last word of quiet NaN
+ 0x7fff9000u, // Last word of signaling NaN
#endif
- false, // Doesn't conform to iec559
- round_to_nearest>
+ false, // Doesn't conform to iec559
+ round_to_nearest>
{
public:
static long double min() throw() { return LDBL_MIN; }
// Local Variables:
// mode:C++
// End:
+
+
+
projects / lyx.git / blobdiff