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/* $NetBSD: limits,v 1.1 2000/05/12 06:15:06 jlam Exp $
*
* This file is a part of the ISO C++ standard, but is not present in current
* versions of NetBSD. The contents of this file should probably be wrapped
* in a check for the appropriate version of the GNU C++ compiler or library.
*/
#ifndef STD_LIMITS
#define STD_LIMITS
#include <cfloat>
#include <climits>
namespace std {
template <class T>
class numeric_limits {
public:
typedef T numeric_type;
static const bool is_specialized = false;
};
template <>
class numeric_limits<char> {
public:
typedef char numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = (CHAR_MIN == SCHAR_MIN);
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return CHAR_MIN; }
inline static numeric_type max() throw() { return CHAR_MAX; }
};
template <>
class numeric_limits<signed char> {
public:
typedef char numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = true;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return SCHAR_MIN; }
inline static numeric_type max() throw() { return SCHAR_MAX; }
};
template <>
class numeric_limits<unsigned char> {
public:
typedef unsigned char numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = false;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return 0; }
inline static numeric_type max() throw() { return UCHAR_MAX; }
};
template <>
class numeric_limits<short> {
public:
typedef short numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = true;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return SHRT_MIN; }
inline static numeric_type max() throw() { return SHRT_MAX; }
};
template <>
class numeric_limits<unsigned short> {
public:
typedef short numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = false;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return 0; }
inline static numeric_type max() throw() { return USHRT_MAX; }
};
template <>
class numeric_limits<int> {
public:
typedef int numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = true;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return INT_MIN; }
inline static numeric_type max() throw() { return INT_MAX; }
};
template <>
class numeric_limits<unsigned int> {
public:
typedef unsigned int numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = false;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return 0; }
inline static numeric_type max() throw() { return UINT_MAX; }
};
template <>
class numeric_limits<long> {
public:
typedef long numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = true;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return LONG_MIN; }
inline static numeric_type max() throw() { return LONG_MAX; }
};
template <>
class numeric_limits<unsigned long> {
public:
typedef unsigned long numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = false;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return 0; }
inline static numeric_type max() throw() { return ULONG_MAX; }
};
template <>
class numeric_limits<long long> {
public:
typedef long long numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = true;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return LLONG_MIN; }
inline static numeric_type max() throw() { return LLONG_MAX; }
};
template <>
class numeric_limits<unsigned long long> {
public:
typedef unsigned long long numeric_type;
static const bool is_specialized = true;
static const int digits = sizeof (numeric_type) * CHAR_BIT;
static const bool is_signed = false;
static const bool is_integer = true;
static const bool is_exact = true;
inline static numeric_type min() throw() { return 0; }
inline static numeric_type max() throw() { return ULLONG_MAX; }
};
template <>
class numeric_limits<float> {
public:
typedef float numeric_type;
static const bool is_specialized = true;
static const int radix = FLT_RADIX;
static const int digits = FLT_MANT_DIG;
static const int digits10 = FLT_DIG;
static const bool is_signed = true;
static const bool is_integer = false;
static const bool is_exact = false;
inline static numeric_type min() throw() { return FLT_MIN; }
inline static numeric_type max() throw() { return FLT_MAX; }
inline static numeric_type epsilon() throw() { return FLT_EPSILON; }
static const int min_exponent = FLT_MIN_EXP;
static const int min_exponent10 = FLT_MIN_10_EXP;
static const int max_exponent = FLT_MAX_EXP;
static const int max_exponent10 = FLT_MAX_10_EXP;
static const bool has_infinity = false;
};
template <>
class numeric_limits<double> {
public:
typedef double numeric_type;
static const bool is_specialized = true;
static const int digits = DBL_MANT_DIG;
static const int digits10 = DBL_DIG;
static const bool is_signed = true;
static const bool is_integer = false;
static const bool is_exact = false;
inline static numeric_type min() throw() { return DBL_MIN; }
inline static numeric_type max() throw() { return DBL_MAX; }
inline static numeric_type epsilon() throw() { return DBL_EPSILON; }
static const int min_exponent = DBL_MIN_EXP;
static const int min_exponent10 = DBL_MIN_10_EXP;
static const int max_exponent = DBL_MAX_EXP;
static const int max_exponent10 = DBL_MAX_10_EXP;
};
} // namespace std
#endif // STD_LIMITS
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