1188 lines
42 KiB
C++
1188 lines
42 KiB
C++
///\file
|
|
|
|
/******************************************************************************
|
|
The MIT License(MIT)
|
|
|
|
Embedded Template Library.
|
|
https://github.com/ETLCPP/etl
|
|
https://www.etlcpp.com
|
|
|
|
Copyright(c) 2018 John Wellbelove
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files(the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions :
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
******************************************************************************/
|
|
|
|
#ifndef ETL_LIMITS_INCLUDED
|
|
#define ETL_LIMITS_INCLUDED
|
|
|
|
#include "platform.h"
|
|
#include "type_traits.h"
|
|
#include "char_traits.h"
|
|
#include "integral_limits.h"
|
|
|
|
#if ETL_NOT_USING_STL && defined(ETL_COMPILER_ARM5) && !defined(__USE_C99_MATH)
|
|
// Required for nan, nanf, nanl
|
|
#define __USE_C99_MATH
|
|
#endif
|
|
|
|
#include <limits.h>
|
|
#include <stdint.h>
|
|
#include <float.h>
|
|
#include <math.h>
|
|
|
|
#include "private/minmax_push.h"
|
|
|
|
#if defined(ETL_COMPILER_MICROSOFT)
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 26812)
|
|
#endif
|
|
|
|
#if ETL_NOT_USING_STL
|
|
#define ETL_LOG10_OF_2(x) (((x) * 301) / 1000)
|
|
|
|
#if !defined(LDBL_MIN) && defined(DBL_MIN)
|
|
// Looks like we don't have these macros defined.
|
|
// That probably means that 'long double' is the same size as 'double'.
|
|
#define LDBL_MIN DBL_MIN
|
|
#define LDBL_MAX DBL_MAX
|
|
#define LDBL_EPSILON DBL_EPSILON
|
|
#define LDBL_MANT_DIG DBL_MANT_DIG
|
|
#define LDBL_DIG DBL_DIG
|
|
#define LDBL_MIN_EXP DBL_MIN_EXP
|
|
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
|
|
#define LDBL_MAX_EXP DBL_MAX_EXP
|
|
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
|
|
#endif
|
|
|
|
#if !defined(HUGE_VAL)
|
|
// Looks like we don't have these macros defined.
|
|
// They're compiler implementation dependent, so we'll make them the same as the max values.
|
|
#define HUGE_VALF FLT_MAX
|
|
#define HUGE_VAL DBL_MAX
|
|
#define HUGE_VALL LDBL_MAX
|
|
#endif
|
|
|
|
#if defined(ETL_NO_CPP_NAN_SUPPORT)
|
|
#if defined(NAN)
|
|
#include "private/diagnostic_useless_cast_push.h"
|
|
#define ETL_NANF NAN
|
|
#define ETL_NAN static_cast<double>(NAN)
|
|
#define ETL_NANL static_cast<long double>(NAN)
|
|
#define ETL_HAS_NAN true
|
|
#include "private/diagnostic_pop.h"
|
|
#else
|
|
#include "private/diagnostic_useless_cast_push.h"
|
|
#define ETL_NANF HUGE_VALF
|
|
#define ETL_NAN HUGE_VAL
|
|
#define ETL_NANL HUGE_VALL
|
|
#define ETL_HAS_NAN false
|
|
#include "private/diagnostic_pop.h"
|
|
#endif
|
|
#else
|
|
#define ETL_NANF nanf("")
|
|
#define ETL_NAN nan("")
|
|
#define ETL_NANL nanl("")
|
|
#define ETL_HAS_NAN true
|
|
#endif
|
|
|
|
namespace etl
|
|
{
|
|
enum float_round_style
|
|
{
|
|
round_indeterminate = -1,
|
|
round_toward_zero = 0,
|
|
round_to_nearest = 1,
|
|
round_toward_infinity = 2,
|
|
round_toward_neg_infinity = 3,
|
|
};
|
|
|
|
enum float_denorm_style
|
|
{
|
|
denorm_indeterminate = -1,
|
|
denorm_absent = 0,
|
|
denorm_present = 1
|
|
};
|
|
|
|
namespace private_limits
|
|
{
|
|
//*********************************
|
|
// Integral limits common
|
|
template <typename T = void>
|
|
class integral_limits_common
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTANT bool is_specialized = true;
|
|
static ETL_CONSTANT bool is_integer = true;
|
|
static ETL_CONSTANT bool is_exact = true;
|
|
static ETL_CONSTANT int max_digits10 = 0;
|
|
static ETL_CONSTANT int radix = 2;
|
|
static ETL_CONSTANT int min_exponent = 0;
|
|
static ETL_CONSTANT int min_exponent10 = 0;
|
|
static ETL_CONSTANT int max_exponent = 0;
|
|
static ETL_CONSTANT int max_exponent10 = 0;
|
|
static ETL_CONSTANT bool has_infinity = false;
|
|
static ETL_CONSTANT bool has_quiet_NaN = false;
|
|
static ETL_CONSTANT bool has_signaling_NaN = false;
|
|
static ETL_CONSTANT bool has_denorm_loss = false;
|
|
static ETL_CONSTANT bool is_iec559 = false;
|
|
static ETL_CONSTANT bool is_bounded = true;
|
|
static ETL_CONSTANT bool traps = false;
|
|
static ETL_CONSTANT bool tinyness_before = false;
|
|
static ETL_CONSTANT float_denorm_style has_denorm = denorm_absent;
|
|
static ETL_CONSTANT float_round_style round_style = round_toward_zero;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::is_specialized;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::is_integer;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::is_exact;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_common<T>::max_digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_common<T>::radix;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_common<T>::min_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_common<T>::min_exponent10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_common<T>::max_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_common<T>::max_exponent10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::has_infinity;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::has_quiet_NaN;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::has_signaling_NaN;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::has_denorm_loss;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::is_iec559;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::is_bounded;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::traps;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_common<T>::tinyness_before;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT float_denorm_style integral_limits_common<T>::has_denorm;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT float_round_style integral_limits_common<T>::round_style;
|
|
|
|
//*********************************
|
|
// bool
|
|
template <typename T = void>
|
|
struct integral_limits_bool
|
|
{
|
|
static ETL_CONSTANT int digits = 1;
|
|
static ETL_CONSTANT int digits10 = 0;
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_bool<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_bool<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_bool<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_bool<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// char
|
|
template <typename T = void>
|
|
struct integral_limits_char
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(char)) - (etl::is_signed<char>::value ? 1 : 0);
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = etl::is_signed<char>::value;
|
|
static ETL_CONSTANT bool is_modulo = etl::is_unsigned<char>::value;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// unsigned char
|
|
template <typename T = void>
|
|
struct integral_limits_unsigned_char
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(unsigned char));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_char<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_char<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_char<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_char<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// signed char
|
|
template <typename T = void>
|
|
struct integral_limits_signed_char
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(char)) - 1;
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = true;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_signed_char<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_signed_char<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_signed_char<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_signed_char<T>::is_modulo;
|
|
|
|
#if ETL_HAS_NATIVE_CHAR8_T
|
|
//*********************************
|
|
// char8_t
|
|
template <typename T = void>
|
|
struct integral_limits_char8_t
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(char8_t)) - (etl::is_signed<char8_t>::value ? 1 : 0);
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = etl::is_signed<char8_t>::value;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char8_t<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char8_t<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char8_t<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char8_t<T>::is_modulo;
|
|
#endif
|
|
|
|
#if ETL_HAS_NATIVE_CHAR16_T
|
|
//*********************************
|
|
// char16_t
|
|
template <typename T = void>
|
|
struct integral_limits_char16_t
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(char16_t));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char16_t<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char16_t<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char16_t<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char16_t<T>::is_modulo;
|
|
#endif
|
|
|
|
#if ETL_HAS_NATIVE_CHAR32_T
|
|
//*********************************
|
|
// char32_t
|
|
template <typename T = void>
|
|
struct integral_limits_char32_t
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(char32_t));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char32_t<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_char32_t<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char32_t<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_char32_t<T>::is_modulo;
|
|
#endif
|
|
|
|
//*********************************
|
|
// wchar_t
|
|
template <typename T = void>
|
|
struct integral_limits_wchar_t
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(wchar_t)) - (etl::is_signed<wchar_t>::value ? 1 : 0);
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = etl::is_signed<wchar_t>::value;
|
|
static ETL_CONSTANT bool is_modulo = etl::is_unsigned<wchar_t>::value;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_wchar_t<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_wchar_t<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_wchar_t<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_wchar_t<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// short
|
|
template <typename T = void>
|
|
struct integral_limits_short
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(short)) - 1;
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = true;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_short<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_short<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_short<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_short<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// unsigned short
|
|
template <typename T = void>
|
|
struct integral_limits_unsigned_short
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(unsigned short));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_short<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_short<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_short<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_short<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// int
|
|
template <typename T = void>
|
|
struct integral_limits_int
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(int)) - 1;
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = true;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_int<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_int<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_int<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_int<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// unsigned int
|
|
template <typename T = void>
|
|
struct integral_limits_unsigned_int
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(unsigned int));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_int<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_int<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_int<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_int<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// long
|
|
template <typename T = void>
|
|
struct integral_limits_long
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(long)) - 1;
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = true;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_long<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_long<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_long<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_long<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// unsigned long
|
|
template <typename T = void>
|
|
struct integral_limits_unsigned_long
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(unsigned long));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_long<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_long<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_long<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_long<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// long long
|
|
template <typename T = void>
|
|
struct integral_limits_long_long
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(long long)) - 1;
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = true;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_long_long<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_long_long<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_long_long<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_long_long<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// unsigned long long
|
|
template <typename T = void>
|
|
struct integral_limits_unsigned_long_long
|
|
{
|
|
static ETL_CONSTANT int digits = (CHAR_BIT * sizeof(unsigned long long));
|
|
static ETL_CONSTANT int digits10 = ETL_LOG10_OF_2(digits);
|
|
static ETL_CONSTANT bool is_signed = false;
|
|
static ETL_CONSTANT bool is_modulo = true;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_long_long<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int integral_limits_unsigned_long_long<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_long_long<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool integral_limits_unsigned_long_long<T>::is_modulo;
|
|
|
|
//*********************************
|
|
// Floating point limits common
|
|
template <typename T = void>
|
|
class floating_point_limits_common
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTANT bool is_specialized = true;
|
|
static ETL_CONSTANT bool is_signed = true;
|
|
static ETL_CONSTANT bool is_integer = false;
|
|
static ETL_CONSTANT bool is_exact = false;
|
|
static ETL_CONSTANT int radix = 2;
|
|
static ETL_CONSTANT bool has_infinity = true;
|
|
static ETL_CONSTANT bool has_quiet_NaN = ETL_HAS_NAN;
|
|
static ETL_CONSTANT bool has_signaling_NaN = ETL_HAS_NAN;
|
|
static ETL_CONSTANT bool has_denorm_loss = false;
|
|
static ETL_CONSTANT bool is_iec559 = false;
|
|
static ETL_CONSTANT bool is_bounded = true;
|
|
static ETL_CONSTANT bool is_modulo = false;
|
|
static ETL_CONSTANT bool traps = false;
|
|
static ETL_CONSTANT bool tinyness_before = false;
|
|
static ETL_CONSTANT float_denorm_style has_denorm = denorm_indeterminate;
|
|
static ETL_CONSTANT float_round_style round_style = round_indeterminate;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_specialized;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_signed;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_integer;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_exact;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_common<T>::radix;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::has_infinity;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::has_quiet_NaN;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::has_signaling_NaN;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::has_denorm_loss;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_iec559;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_bounded;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::is_modulo;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::traps;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT bool floating_point_limits_common<T>::tinyness_before;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT float_denorm_style floating_point_limits_common<T>::has_denorm;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT float_round_style floating_point_limits_common<T>::round_style;
|
|
|
|
//*********************************
|
|
// float
|
|
template <typename T = void>
|
|
struct floating_point_limits_float
|
|
{
|
|
static ETL_CONSTANT int digits = FLT_MANT_DIG;
|
|
static ETL_CONSTANT int digits10 = FLT_DIG;
|
|
static ETL_CONSTANT int max_digits10 = ETL_LOG10_OF_2(FLT_MANT_DIG) + 2;
|
|
|
|
static ETL_CONSTANT int min_exponent = FLT_MIN_EXP;
|
|
static ETL_CONSTANT int min_exponent10 = FLT_MIN_10_EXP;
|
|
static ETL_CONSTANT int max_exponent = FLT_MAX_EXP;
|
|
static ETL_CONSTANT int max_exponent10 = FLT_MAX_10_EXP;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::max_digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::min_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::min_exponent10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::max_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_float<T>::max_exponent10;
|
|
|
|
//*********************************
|
|
// double
|
|
template <typename T = void>
|
|
struct floating_point_limits_double
|
|
{
|
|
static ETL_CONSTANT int digits = DBL_MANT_DIG;
|
|
static ETL_CONSTANT int digits10 = DBL_DIG;
|
|
static ETL_CONSTANT int max_digits10 = ETL_LOG10_OF_2(DBL_MANT_DIG) + 2;
|
|
|
|
static ETL_CONSTANT int min_exponent = DBL_MIN_EXP;
|
|
static ETL_CONSTANT int min_exponent10 = DBL_MIN_10_EXP;
|
|
static ETL_CONSTANT int max_exponent = DBL_MAX_EXP;
|
|
static ETL_CONSTANT int max_exponent10 = DBL_MAX_10_EXP;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::max_digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::min_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::min_exponent10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::max_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_double<T>::max_exponent10;
|
|
|
|
//*********************************
|
|
// long double
|
|
template <typename T = void>
|
|
struct floating_point_limits_long_double
|
|
{
|
|
static ETL_CONSTANT int digits = LDBL_MANT_DIG;
|
|
static ETL_CONSTANT int digits10 = LDBL_DIG;
|
|
static ETL_CONSTANT int max_digits10 = ETL_LOG10_OF_2(LDBL_MANT_DIG) + 2;
|
|
|
|
static ETL_CONSTANT int min_exponent = LDBL_MIN_EXP;
|
|
static ETL_CONSTANT int min_exponent10 = LDBL_MIN_10_EXP;
|
|
static ETL_CONSTANT int max_exponent = LDBL_MAX_EXP;
|
|
static ETL_CONSTANT int max_exponent10 = LDBL_MAX_10_EXP;
|
|
};
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::digits;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::max_digits10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::min_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::min_exponent10;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::max_exponent;
|
|
|
|
template <typename T>
|
|
ETL_CONSTANT int floating_point_limits_long_double<T>::max_exponent10;
|
|
}
|
|
|
|
//***************************************************************************
|
|
// Default
|
|
template <typename T>
|
|
class numeric_limits;
|
|
|
|
template <typename T>
|
|
class numeric_limits<const T> : public numeric_limits<T> { };
|
|
|
|
template <typename T>
|
|
class numeric_limits<volatile T> : public numeric_limits<T> { };
|
|
|
|
template <typename T>
|
|
class numeric_limits<const volatile T> : public numeric_limits<T> { };
|
|
|
|
//***********************************
|
|
// bool
|
|
template<>
|
|
class numeric_limits<bool> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_bool<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR bool min() { return false; }
|
|
static ETL_CONSTEXPR bool max() { return true; }
|
|
static ETL_CONSTEXPR bool lowest() { return false; }
|
|
static ETL_CONSTEXPR bool epsilon() { return false; }
|
|
static ETL_CONSTEXPR bool round_error() { return false; }
|
|
static ETL_CONSTEXPR bool denorm_min() { return false; }
|
|
static ETL_CONSTEXPR bool infinity() { return false; }
|
|
static ETL_CONSTEXPR bool quiet_NaN() { return false; }
|
|
static ETL_CONSTEXPR bool signaling_NaN() { return false; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// char
|
|
template<>
|
|
class numeric_limits<char> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_char<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR char min() { return char(CHAR_MIN); }
|
|
static ETL_CONSTEXPR char max() { return char(CHAR_MAX); }
|
|
static ETL_CONSTEXPR char lowest() { return char(CHAR_MIN); }
|
|
static ETL_CONSTEXPR char epsilon() { return 0; }
|
|
static ETL_CONSTEXPR char round_error() { return 0; }
|
|
static ETL_CONSTEXPR char denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR char infinity() { return 0; }
|
|
static ETL_CONSTEXPR char quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR char signaling_NaN() { return 0; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// unsigned char
|
|
template<>
|
|
class numeric_limits<unsigned char> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_unsigned_char<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR unsigned char min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char max() { return UCHAR_MAX; }
|
|
static ETL_CONSTEXPR unsigned char lowest() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char round_error() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char infinity() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned char signaling_NaN() { return 0U; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// signed char
|
|
template<>
|
|
class numeric_limits<signed char> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_signed_char<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR signed char min() { return SCHAR_MIN; }
|
|
static ETL_CONSTEXPR signed char max() { return SCHAR_MAX; }
|
|
static ETL_CONSTEXPR signed char lowest() { return SCHAR_MIN; }
|
|
static ETL_CONSTEXPR signed char epsilon() { return 0; }
|
|
static ETL_CONSTEXPR signed char round_error() { return 0; }
|
|
static ETL_CONSTEXPR signed char denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR signed char infinity() { return 0; }
|
|
static ETL_CONSTEXPR signed char quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR signed char signaling_NaN() { return 0; }
|
|
};
|
|
|
|
#if ETL_HAS_NATIVE_CHAR8_T
|
|
//***************************************************************************
|
|
// char8_t
|
|
template<>
|
|
class numeric_limits<char8_t> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_char8_t<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR char8_t min() { return char8_t(CHAR_MIN); }
|
|
static ETL_CONSTEXPR char8_t max() { return char8_t(CHAR_MAX); }
|
|
static ETL_CONSTEXPR char8_t lowest() { return char8_t(CHAR_MIN); }
|
|
static ETL_CONSTEXPR char8_t epsilon() { return 0; }
|
|
static ETL_CONSTEXPR char8_t round_error() { return 0; }
|
|
static ETL_CONSTEXPR char8_t denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR char8_t infinity() { return 0; }
|
|
static ETL_CONSTEXPR char8_t quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR char8_t signaling_NaN() { return 0; }
|
|
};
|
|
#endif
|
|
|
|
#if ETL_HAS_NATIVE_CHAR16_T
|
|
//***************************************************************************
|
|
// char16_t
|
|
template<>
|
|
class numeric_limits<char16_t> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_char16_t<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR char16_t min() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t max() { return UINT_LEAST16_MAX; }
|
|
static ETL_CONSTEXPR char16_t lowest() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t round_error() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t infinity() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR char16_t signaling_NaN() { return 0U; }
|
|
};
|
|
#endif
|
|
|
|
#if ETL_HAS_NATIVE_CHAR32_T
|
|
//***************************************************************************
|
|
// char32_t
|
|
template<>
|
|
class numeric_limits<char32_t> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_char32_t<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR char32_t min() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t max() { return UINT_LEAST32_MAX; }
|
|
static ETL_CONSTEXPR char32_t lowest() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t round_error() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t infinity() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR char32_t signaling_NaN() { return 0U; }
|
|
};
|
|
#endif
|
|
|
|
//***************************************************************************
|
|
// wchar_t
|
|
template<>
|
|
class numeric_limits<wchar_t> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_wchar_t<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR wchar_t min() { return WCHAR_MIN; }
|
|
static ETL_CONSTEXPR wchar_t max() { return WCHAR_MAX; }
|
|
static ETL_CONSTEXPR wchar_t lowest() { return WCHAR_MIN; }
|
|
static ETL_CONSTEXPR wchar_t epsilon() { return wchar_t(0); }
|
|
static ETL_CONSTEXPR wchar_t round_error() { return wchar_t(0); }
|
|
static ETL_CONSTEXPR wchar_t denorm_min() { return wchar_t(0); }
|
|
static ETL_CONSTEXPR wchar_t infinity() { return wchar_t(0); }
|
|
static ETL_CONSTEXPR wchar_t quiet_NaN() { return wchar_t(0); }
|
|
static ETL_CONSTEXPR wchar_t signaling_NaN() { return wchar_t(0); }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// short
|
|
template<>
|
|
class numeric_limits<short> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_short<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR short min() { return SHRT_MIN; }
|
|
static ETL_CONSTEXPR short max() { return SHRT_MAX; }
|
|
static ETL_CONSTEXPR short lowest() { return SHRT_MIN; }
|
|
static ETL_CONSTEXPR short epsilon() { return 0; }
|
|
static ETL_CONSTEXPR short round_error() { return 0; }
|
|
static ETL_CONSTEXPR short denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR short infinity() { return 0; }
|
|
static ETL_CONSTEXPR short quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR short signaling_NaN() { return 0; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// unsigned short
|
|
template<>
|
|
class numeric_limits<unsigned short> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_unsigned_short<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR unsigned short min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short max() { return USHRT_MAX; }
|
|
static ETL_CONSTEXPR unsigned short lowest() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short round_error() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short infinity() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned short signaling_NaN() { return 0U; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// int
|
|
template<>
|
|
class numeric_limits<int> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_int<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR int min() { return INT_MIN; }
|
|
static ETL_CONSTEXPR int max() { return INT_MAX; }
|
|
static ETL_CONSTEXPR int lowest() { return INT_MIN; }
|
|
static ETL_CONSTEXPR int epsilon() { return 0; }
|
|
static ETL_CONSTEXPR int round_error() { return 0; }
|
|
static ETL_CONSTEXPR int denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR int infinity() { return 0; }
|
|
static ETL_CONSTEXPR int quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR int signaling_NaN() { return 0; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// unsigned int
|
|
template<>
|
|
class numeric_limits<unsigned int> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_unsigned_int<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR unsigned int min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int max() { return UINT_MAX; }
|
|
static ETL_CONSTEXPR unsigned int lowest() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int round_error() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int infinity() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned int signaling_NaN() { return 0U; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// long
|
|
template<>
|
|
class numeric_limits<long> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_long<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR long min() { return LONG_MIN; }
|
|
static ETL_CONSTEXPR long max() { return LONG_MAX; }
|
|
static ETL_CONSTEXPR long lowest() { return LONG_MIN; }
|
|
static ETL_CONSTEXPR long epsilon() { return 0; }
|
|
static ETL_CONSTEXPR long round_error() { return 0; }
|
|
static ETL_CONSTEXPR long denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR long infinity() { return 0; }
|
|
static ETL_CONSTEXPR long quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR long signaling_NaN() { return 0; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// unsigned long
|
|
template<>
|
|
class numeric_limits<unsigned long> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_unsigned_long<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR unsigned long min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long max() { return ULONG_MAX; }
|
|
static ETL_CONSTEXPR unsigned long lowest() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long round_error() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long infinity() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long signaling_NaN() { return 0U; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// long long
|
|
template<>
|
|
class numeric_limits<long long> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_long_long<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR long long min() { return LLONG_MIN; }
|
|
static ETL_CONSTEXPR long long max() { return LLONG_MAX; }
|
|
static ETL_CONSTEXPR long long lowest() { return LLONG_MIN; }
|
|
static ETL_CONSTEXPR long long epsilon() { return 0; }
|
|
static ETL_CONSTEXPR long long round_error() { return 0; }
|
|
static ETL_CONSTEXPR long long denorm_min() { return 0; }
|
|
static ETL_CONSTEXPR long long infinity() { return 0; }
|
|
static ETL_CONSTEXPR long long quiet_NaN() { return 0; }
|
|
static ETL_CONSTEXPR long long signaling_NaN() { return 0; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// unsigned long long
|
|
template<>
|
|
class numeric_limits<unsigned long long> : public private_limits::integral_limits_common<>,
|
|
public private_limits::integral_limits_unsigned_long_long<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR unsigned long long min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long max() { return ULLONG_MAX; }
|
|
static ETL_CONSTEXPR unsigned long long lowest() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long epsilon() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long round_error() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long denorm_min() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long infinity() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long quiet_NaN() { return 0U; }
|
|
static ETL_CONSTEXPR unsigned long long signaling_NaN() { return 0U; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// float
|
|
template<>
|
|
class numeric_limits<float> : public private_limits::floating_point_limits_common<>,
|
|
public private_limits::floating_point_limits_float<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR float min() { return FLT_MIN; }
|
|
static ETL_CONSTEXPR float max() { return FLT_MAX; }
|
|
static ETL_CONSTEXPR float lowest() { return -FLT_MAX; }
|
|
static ETL_CONSTEXPR float epsilon() { return FLT_EPSILON; }
|
|
static ETL_CONSTEXPR float denorm_min() { return FLT_MIN; }
|
|
static ETL_CONSTEXPR float infinity() { return HUGE_VALF; }
|
|
static float round_error() { return 0.5f; }
|
|
static float quiet_NaN() { return ETL_NANF; }
|
|
static float signaling_NaN() { return ETL_NANF; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// double
|
|
template<>
|
|
class numeric_limits<double> : public private_limits::floating_point_limits_common<>,
|
|
public private_limits::floating_point_limits_double<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR double min() { return DBL_MIN; }
|
|
static ETL_CONSTEXPR double max() { return DBL_MAX; }
|
|
static ETL_CONSTEXPR double lowest() { return -DBL_MAX; }
|
|
static ETL_CONSTEXPR double epsilon() { return DBL_EPSILON; }
|
|
static ETL_CONSTEXPR double denorm_min() { return DBL_MIN; }
|
|
static ETL_CONSTEXPR double infinity() { return HUGE_VAL; }
|
|
static double round_error() { return 0.5; }
|
|
static double quiet_NaN() { return ETL_NAN; }
|
|
static double signaling_NaN() { return ETL_NAN; }
|
|
};
|
|
|
|
//***************************************************************************
|
|
// long double
|
|
template<>
|
|
class numeric_limits<long double> : public private_limits::floating_point_limits_common<>,
|
|
public private_limits::floating_point_limits_long_double<>
|
|
{
|
|
public:
|
|
|
|
static ETL_CONSTEXPR long double min() { return LDBL_MIN; }
|
|
static ETL_CONSTEXPR long double max() { return LDBL_MAX; }
|
|
static ETL_CONSTEXPR long double lowest() { return -LDBL_MAX; }
|
|
static ETL_CONSTEXPR long double epsilon() { return LDBL_EPSILON; }
|
|
static ETL_CONSTEXPR long double denorm_min() { return LDBL_MIN; }
|
|
static ETL_CONSTEXPR long double infinity() { return HUGE_VALL; }
|
|
static long double round_error() { return 0.5L; }
|
|
static long double quiet_NaN() { return ETL_NANL; }
|
|
static long double signaling_NaN() { return ETL_NANL; }
|
|
};
|
|
}
|
|
|
|
#else
|
|
|
|
#include <limits>
|
|
|
|
namespace etl
|
|
{
|
|
enum float_round_style
|
|
{
|
|
round_indeterminate = std::round_indeterminate,
|
|
round_toward_zero = std::round_toward_zero,
|
|
round_to_nearest = std::round_to_nearest,
|
|
round_toward_infinity = std::round_toward_infinity,
|
|
round_toward_neg_infinity = std::round_toward_neg_infinity,
|
|
};
|
|
|
|
enum float_denorm_style
|
|
{
|
|
denorm_indeterminate = std::denorm_indeterminate,
|
|
denorm_absent = std::denorm_absent,
|
|
denorm_present = std::denorm_present
|
|
};
|
|
|
|
#if ETL_USING_CPP11
|
|
template <typename T>
|
|
using numeric_limits = std::numeric_limits<T>;
|
|
#else
|
|
template <typename T>
|
|
class numeric_limits : public std::numeric_limits<T>
|
|
{
|
|
};
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#if defined(ETL_COMPILER_MICROSOFT)
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
#include "private/minmax_pop.h"
|
|
|
|
#endif
|