Finished floating point conversions and tests

This commit is contained in:
John Wellbelove 2022-10-24 14:24:28 +01:00
parent 7b9c1f97ad
commit 743d4e32ca
10 changed files with 4368 additions and 1202 deletions

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@ -47,12 +47,14 @@ SOFTWARE.
namespace etl
{
//***************************************************************************
/// bit_cast
/// bit_cast - Type to different type.
//***************************************************************************
template <typename TDestination, typename TSource>
typename etl::enable_if<(sizeof(TDestination) == sizeof(TSource)) &&
etl::is_trivially_copyable<TSource>::value &&
etl::is_trivially_copyable<TDestination>::value, TDestination>::type
ETL_NODISCARD
typename etl::enable_if<!(etl::is_integral<TDestination>::value&& etl::is_integral<TSource>::value) &&
(sizeof(TDestination) == sizeof(TSource)) &&
etl::is_trivially_copyable<TSource>::value &&
etl::is_trivially_copyable<TDestination>::value, TDestination>::type
bit_cast(const TSource& source) ETL_NOEXCEPT
{
TDestination destination;
@ -62,6 +64,19 @@ namespace etl
return destination;
}
//***************************************************************************
/// bit_cast - Integral to integral
//***************************************************************************
template <typename TDestination, typename TSource>
ETL_NODISCARD
ETL_CONSTEXPR14
typename etl::enable_if<(etl::is_integral<TDestination>::value && etl::is_integral<TSource>::value) &&
(sizeof(TDestination) == sizeof(TSource)), TDestination>::type
bit_cast(const TSource& source) ETL_NOEXCEPT
{
return static_cast<TDestination>(source);
}
//***************************************************************************
/// byteswap
//***************************************************************************

View File

@ -55,6 +55,7 @@ namespace etl
{
Not_Set,
Valid,
Invalid_Radix,
Invalid_Format,
Invalid_Float,
Signed_To_Unsigned,
@ -62,8 +63,9 @@ namespace etl
};
ETL_DECLARE_ENUM_TYPE(to_arithmetic_status, int)
ETL_ENUM_TYPE(Not_Set, "Not_Set")
ETL_ENUM_TYPE(Not_Set, "Not Set")
ETL_ENUM_TYPE(Valid, "Valid")
ETL_ENUM_TYPE(Invalid_Radix, "Invalid Radix")
ETL_ENUM_TYPE(Invalid_Format, "Invalid Format")
ETL_ENUM_TYPE(Invalid_Float, "Invalid Float")
ETL_ENUM_TYPE(Signed_To_Unsigned, "Signed To Unsigned")
@ -85,6 +87,8 @@ namespace etl
//*******************************************
/// Default constructor.
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
to_arithmetic_result()
: conversion_value(static_cast<value_type>(0))
, conversion_status(status_type::Not_Set)
@ -94,6 +98,8 @@ namespace etl
//*******************************************
/// Copy constructor.
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
to_arithmetic_result(const to_arithmetic_result& other)
: conversion_value(other.conversion_value)
, conversion_status(other.conversion_status)
@ -103,6 +109,8 @@ namespace etl
//*******************************************
/// Returns <b>true</b> if the result has a valid value.
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
bool has_value() const
{
return (conversion_status == status_type::Valid);
@ -111,6 +119,8 @@ namespace etl
//*******************************************
/// Returns <b>true</b> if the result has a valid value.
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
operator bool() const
{
return has_value();
@ -120,6 +130,8 @@ namespace etl
/// Returns the value, if valid.
/// Otherwise undefined.
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
value_type value() const
{
return conversion_value;
@ -128,6 +140,7 @@ namespace etl
//*******************************************
/// Sets the value.
//*******************************************
ETL_CONSTEXPR14
void value(value_type value)
{
conversion_value = value;
@ -137,6 +150,8 @@ namespace etl
/// Returns the value, if valid.
/// Otherwise undefined.
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
operator value_type() const
{
return value();
@ -147,10 +162,14 @@ namespace etl
/// One of the following:-
/// Not_Set
/// Valid
/// Invalid_Radix
/// Invalid_Format
/// Invalid_Float
/// Signed_To_Unsigned
/// Overflow
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
status_type status() const
{
return conversion_status;
@ -158,7 +177,16 @@ namespace etl
//*******************************************
/// Sets the status.
/// One of the following:-
/// Not_Set
/// Valid
/// Invalid_Radix
/// Invalid_Format
/// Invalid_Float
/// Signed_To_Unsigned
/// Overflow
//*******************************************
ETL_CONSTEXPR14
void status(status_type status_)
{
conversion_status = status_;
@ -172,97 +200,88 @@ namespace etl
namespace private_to_arithmetic
{
//***********************************************************************
///
//***********************************************************************
struct character_set
static ETL_CONSTANT char Positive_Char = '+';
static ETL_CONSTANT char Negative_Char = '-';
static ETL_CONSTANT char Radix_Point1_Char = '.';
static ETL_CONSTANT char Radix_Point2_Char = ',';
static ETL_CONSTANT char Exponential_Char = 'e';
//*******************************************
ETL_NODISCARD
inline
ETL_CONSTEXPR14
bool is_valid(char c, etl::radix::value_type radix)
{
typedef char value_type;
typedef const value_type* string_type;
static ETL_CONSTANT string_type Valid_Chars = "+-.,eE0123456789abcdefABCDEF";
static ETL_CONSTANT int Valid_Length = etl::strlen(Valid_Chars);
static ETL_CONSTANT value_type Positive_Char = '+';
static ETL_CONSTANT value_type Negative_Char = '-';
static ETL_CONSTANT value_type Radix_Point1 = '.';
static ETL_CONSTANT value_type Radix_Point2 = ',';
static ETL_CONSTANT value_type Exponential = 'e';
static ETL_CONSTANT value_type Unknown_Char = '?';
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
static bool is_valid(char c, etl::radix::value_type radix)
switch (radix)
{
switch (radix)
case etl::radix::binary:
{
case etl::radix::binary:
{
return (c >= '0') && (c <= '1');
break;
}
return (c >= '0') && (c <= '1');
break;
}
case etl::radix::octal:
{
return (c >= '0') && (c <= '7');
break;
}
case etl::radix::octal:
{
return (c >= '0') && (c <= '7');
break;
}
case etl::radix::decimal:
{
return (c >= '0') && (c <= '9');
break;
}
case etl::radix::decimal:
{
return (c >= '0') && (c <= '9');
break;
}
case etl::radix::hex:
{
return ((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f'));
break;
}
case etl::radix::hex:
{
return ((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f'));
break;
}
default:
{
return false;
break;
}
default:
{
return false;
break;
}
}
}
//*******************************************
ETL_NODISCARD
ETL_CONSTEXPR14
static char digit_value(char c, etl::radix::value_type radix)
//*******************************************
ETL_NODISCARD
inline
ETL_CONSTEXPR14
char digit_value(char c, etl::radix::value_type radix)
{
switch (radix)
{
switch (radix)
case etl::radix::binary:
case etl::radix::octal:
case etl::radix::decimal:
{
case etl::radix::binary:
case etl::radix::octal:
case etl::radix::decimal:
{
return c - '0';
break;
}
case etl::radix::hex:
{
if ((c >= '0') && (c <= '9'))
{
return c - '0';
break;
}
case etl::radix::hex:
else
{
if ((c >= '0') && (c <= '9'))
{
return c - '0';
}
else
{
return (c - 'a') + 10;
}
break;
return (c - 'a') + 10;
}
break;
}
default:
{
return 0;
break;
}
default:
{
return 0;
break;
}
}
};
}
//*******************************************
ETL_NODISCARD
@ -279,69 +298,12 @@ namespace etl
}
//*******************************************
template <typename TChar>
ETL_NODISCARD
inline
ETL_CONSTEXPR14
char convert(char c)
char convert(TChar c)
{
return to_lower(c);
}
//*******************************************
ETL_NODISCARD
inline
ETL_CONSTEXPR14
char convert(wchar_t c)
{
ETL_STATIC_CONSTANT wchar_t* Valid_Chars = L"+-.,eE0123456789abcdefABCDEF";
for (int i = 0; i < character_set::Valid_Length; ++i)
{
if (c == Valid_Chars[i])
{
return to_lower(character_set::Valid_Chars[i]);
}
}
return character_set::Unknown_Char;
}
//*******************************************
ETL_NODISCARD
inline
ETL_CONSTEXPR14
char convert(char16_t c)
{
ETL_STATIC_CONSTANT char16_t* Valid_Chars = u"+-.,eE0123456789abcdefABCDEF";
for (int i = 0; i < character_set::Valid_Length; ++i)
{
if (c == Valid_Chars[i])
{
return to_lower(character_set::Valid_Chars[i]);
}
}
return character_set::Unknown_Char;
}
//*******************************************
ETL_NODISCARD
inline
ETL_CONSTEXPR14
char convert(char32_t c)
{
ETL_STATIC_CONSTANT char32_t* Valid_Chars = U"+-.,eE0123456789abcdefABCDEF";
for (int i = 0; i < character_set::Valid_Length; ++i)
{
if (c == Valid_Chars[i])
{
return to_lower(character_set::Valid_Chars[i]);
}
}
return character_set::Unknown_Char;
return to_lower(static_cast<char>(c));
}
//***************************************************************************
@ -356,8 +318,8 @@ namespace etl
{
// Check for prefix.
const char c = convert(view[0]);
const bool has_positive_prefix = (c == character_set::Positive_Char);
const bool has_negative_prefix = (c == character_set::Negative_Char);
const bool has_positive_prefix = (c == Positive_Char);
const bool has_negative_prefix = (c == Negative_Char);
// Step over the prefix, if present.
if (has_positive_prefix || has_negative_prefix)
@ -409,7 +371,7 @@ namespace etl
bool is_success = false;
bool is_not_overflow = false;
const bool is_valid_char = character_set::is_valid(c, radix);
const bool is_valid_char = is_valid(c, radix);
if (is_valid_char)
{
@ -421,7 +383,7 @@ namespace etl
if (is_not_overflow)
{
const char digit = character_set::digit_value(c, radix);
const char digit = digit_value(c, radix);
// No addition overflow?
is_not_overflow = ((maximum - digit) >= integral_value);
@ -449,24 +411,24 @@ namespace etl
//*********************************
ETL_NODISCARD
ETL_CONSTEXPR14
bool has_value() const
ETL_CONSTEXPR14
bool has_value() const
{
return conversion_status == to_arithmetic_status::Valid;
}
//*********************************
ETL_NODISCARD
ETL_CONSTEXPR14
TValue value() const
ETL_CONSTEXPR14
TValue value() const
{
return integral_value;
}
//*********************************
ETL_NODISCARD
ETL_CONSTEXPR14
to_arithmetic_status status() const
ETL_CONSTEXPR14
to_arithmetic_status status() const
{
return conversion_status;
}
@ -492,10 +454,10 @@ namespace etl
, floating_point_value(0)
, is_negative_mantissa(false)
, is_negative_exponent(false)
, exponent_value(0)
, conversion_status(to_arithmetic_status::Valid)
, state(Integral)
, expecting_sign(true)
, exponent_value(0)
, state(Integral)
, conversion_status(to_arithmetic_status::Valid)
{
}
@ -511,26 +473,26 @@ namespace etl
//***************************
case Integral:
{
if (expecting_sign && ((c == character_set::Positive_Char) || (c == character_set::Negative_Char)))
if (expecting_sign && ((c == Positive_Char) || (c == Negative_Char)))
{
is_negative_mantissa = (c == character_set::Negative_Char);
is_negative_mantissa = (c == Negative_Char);
expecting_sign = false;
}
// Radix point?
else if ((c == character_set::Radix_Point1) || (c == character_set::Radix_Point2))
else if ((c == Radix_Point1_Char) || (c == Radix_Point2_Char))
{
expecting_sign = false;
state = Fractional;
}
// Exponential?
else if (c == character_set::Exponential)
else if (c == Exponential_Char)
{
expecting_sign = true;
state = Exponential;
}
else if (character_set::is_valid(c, etl::radix::decimal))
else if (is_valid(c, etl::radix::decimal))
{
const char digit = character_set::digit_value(c, etl::radix::decimal);
const char digit = digit_value(c, etl::radix::decimal);
floating_point_value *= 10;
is_negative_mantissa ? floating_point_value -= digit : floating_point_value += digit;
conversion_status = to_arithmetic_status::Valid;
@ -548,20 +510,20 @@ namespace etl
case Fractional:
{
// Radix point?
if ((c == character_set::Radix_Point1) || (c == character_set::Radix_Point2))
if ((c == Radix_Point1_Char) || (c == Radix_Point2_Char))
{
conversion_status = to_arithmetic_status::Invalid_Format;
is_success = false;
}
// Exponential?
else if (c == character_set::Exponential)
else if (c == Exponential_Char)
{
expecting_sign = true;
state = Exponential;
}
else if (character_set::is_valid(c, etl::radix::decimal))
else if (is_valid(c, etl::radix::decimal))
{
const char digit = character_set::digit_value(c, etl::radix::decimal);
const char digit = digit_value(c, etl::radix::decimal);
divisor *= 10;
long double fraction = digit / divisor;
is_negative_mantissa ? floating_point_value -= fraction : floating_point_value += fraction;
@ -578,20 +540,20 @@ namespace etl
//***************************
case Exponential:
{
if (expecting_sign && ((c == character_set::Positive_Char) || (c == character_set::Negative_Char)))
if (expecting_sign && ((c == Positive_Char) || (c == Negative_Char)))
{
is_negative_exponent = (c == character_set::Negative_Char);
is_negative_exponent = (c == Negative_Char);
expecting_sign = false;
}
// Radix point?
else if ((c == character_set::Radix_Point1) || (c == character_set::Radix_Point2) || (c == character_set::Exponential))
else if ((c == Radix_Point1_Char) || (c == Radix_Point2_Char) || (c == Exponential_Char))
{
conversion_status = to_arithmetic_status::Invalid_Format;
is_success = false;
}
else if (character_set::is_valid(c, etl::radix::decimal))
else if (is_valid(c, etl::radix::decimal))
{
const char digit = character_set::digit_value(c, etl::radix::decimal);
const char digit = digit_value(c, etl::radix::decimal);
exponent_value *= etl::radix::decimal;
is_negative_exponent ? exponent_value -= digit : exponent_value += digit;
}
@ -657,23 +619,46 @@ namespace etl
long double divisor;
long double floating_point_value;
bool is_negative_mantissa;
bool is_negative_exponent;
int exponent_value;
to_arithmetic_status conversion_status;
int state;
bool is_negative_mantissa;
bool is_negative_exponent;
bool expecting_sign;
int exponent_value;
int state;
to_arithmetic_status conversion_status;
};
//***************************************************************************
// Define an unsigned accumulator type that is at least as large as TValue.
//***************************************************************************
template <typename TValue>
struct accumulator_type_select
template <size_t Bits>
struct accumulator_type_select;
template <>
struct accumulator_type_select<8U>
{
typedef typename etl::smallest_uint_for_bits<etl::integral_limits<TValue>::bits>::type type;
typedef uint32_t type;
};
template <>
struct accumulator_type_select<16U>
{
typedef uint32_t type;
};
template <>
struct accumulator_type_select<32U>
{
typedef uint32_t type;
};
#if ETL_USING_64BIT_TYPES
template <>
struct accumulator_type_select<64U>
{
typedef uint64_t type;
};
#endif
//***************************************************************************
/// Text to integral from view, radix value and maximum.
//***************************************************************************
@ -686,8 +671,8 @@ namespace etl
{
etl::to_arithmetic_result<TAccumulatorType> accumulator_result;
etl::basic_string_view<TChar>::const_iterator itr = view.begin();
const etl::basic_string_view<TChar>::const_iterator itr_end = view.end();
typename etl::basic_string_view<TChar>::const_iterator itr = view.begin();
const typename etl::basic_string_view<TChar>::const_iterator itr_end = view.end();
integral_accumulator<TAccumulatorType> accumulator(radix, maximum);
@ -721,44 +706,55 @@ namespace etl
using namespace etl::private_to_arithmetic;
etl::to_arithmetic_result<TValue> result;
// Is this a negative number?
const bool is_negative = check_and_remove_sign_prefix(view);
if (view.empty())
if (is_valid_radix(radix))
{
result.status(to_arithmetic_status::Invalid_Format);
}
else
{
// Make sure we're not trying to put a negative value into an unsigned type.
if (is_negative && etl::is_unsigned<TValue>::value)
// Is this a negative number?
const bool is_negative = check_and_remove_sign_prefix(view);
if (view.empty())
{
result.status(to_arithmetic_status::Signed_To_Unsigned);
result.status(to_arithmetic_status::Invalid_Format);
}
else
{
const bool is_decimal = (radix == etl::radix::decimal);
// What's the maximum absolute value for the type value we're trying to convert to?
typedef typename accumulator_type_select<TValue>::type accumulator_type;
const accumulator_type maximum = is_negative ? etl::absolute_unsigned(etl::integral_limits<TValue>::min)
: is_decimal ? etl::integral_limits<TValue>::max
: etl::integral_limits<typename etl::make_unsigned<TValue>::type>::max;
// Do the conversion.
etl::to_arithmetic_result<accumulator_type> accumulator_result = to_arithmetic_integral<TChar>(view, radix, maximum);
result.status(accumulator_result.status());
// Was it successful?
if (accumulator_result.has_value())
// Make sure we're not trying to put a negative value into an unsigned type.
if (is_negative && etl::is_unsigned<TValue>::value)
{
// Convert from the accumulator type to the desired type.
result.value(is_negative ? static_cast<TValue>(0) - accumulator_result.value() : etl::bit_cast<TValue>(accumulator_result.value()));
result.status(to_arithmetic_status::Signed_To_Unsigned);
}
else
{
const bool is_decimal = (radix == etl::radix::decimal);
// Select the type we use for the accumulator.
typedef typename accumulator_type_select<etl::integral_limits<TValue>::bits>::type accumulator_type;
// Find the maximum absolute value for the type value we're trying to convert to.
const accumulator_type maximum = is_negative ? etl::absolute_unsigned(etl::integral_limits<TValue>::min)
: is_decimal ? etl::integral_limits<TValue>::max
: etl::integral_limits<typename etl::make_unsigned<TValue>::type>::max;
// Do the conversion.
etl::to_arithmetic_result<accumulator_type> accumulator_result = to_arithmetic_integral<TChar>(view, radix, maximum);
result.status(accumulator_result.status());
// Was it successful?
if (accumulator_result.has_value())
{
typedef typename etl::make_unsigned<TValue>::type uvalue_t;
const uvalue_t uvalue = static_cast<uvalue_t>(accumulator_result.value());
// Convert from the accumulator type to the desired type.
result.value(is_negative ? static_cast<TValue>(0) - uvalue : etl::bit_cast<TValue>(uvalue));
}
}
}
}
else
{
result.status(to_arithmetic_status::Invalid_Radix);
}
return result;
}
@ -916,8 +912,8 @@ namespace etl
{
floating_point_accumulator accumulator;
etl::basic_string_view<TChar>::const_iterator itr = view.begin();
etl::basic_string_view<TChar>::const_iterator itr_end = view.end();
typename etl::basic_string_view<TChar>::const_iterator itr = view.begin();
const typename etl::basic_string_view<TChar>::const_iterator itr_end = view.end();
while ((itr != itr_end) && accumulator.add(convert(*itr)))
{
@ -932,14 +928,16 @@ namespace etl
TValue value = static_cast<TValue>(accumulator.value());
int exponent = accumulator.exponent();
value *= pow(10.0, exponent);
value *= pow(static_cast<TValue>(10.0), static_cast<TValue>(exponent));
// Check that the result is a valid floating point number.
if (value == etl::numeric_limits<TValue>::infinity())
if ((value == etl::numeric_limits<TValue>::infinity()) ||
(value == -etl::numeric_limits<TValue>::infinity()))
{
result.status(to_arithmetic_status::Overflow);
}
else if (value == etl::numeric_limits<TValue>::quiet_NaN())
// Check for NaN.
else if (value != value)
{
result.status(to_arithmetic_status::Invalid_Float);
}

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@ -196,12 +196,31 @@ namespace
SUITE(test_bit)
{
//*************************************************************************
TEST(test_bit_cast)
TEST(test_bit_cast_integrals)
{
int32_t i = 0x12345678;
uint32_t ui = etl::bit_cast<uint32_t>(i);
int32_t i;
uint32_t ui;
i = 0x12345678;
ui = etl::bit_cast<uint32_t>(i);
CHECK_EQUAL(i, ui);
i = -1234567890;
ui = etl::bit_cast<uint32_t>(i);
CHECK_EQUAL(i, static_cast<int32_t>(ui));
}
//*************************************************************************
TEST(test_bit_cast_different_types)
{
using Int = etl::smallest_int_for_bits_t<sizeof(float) * CHAR_BIT>;
Int i1;
float f = 123.456789f;
memcpy(&i1, &f, sizeof(float));
Int i2 = etl::bit_cast<Int>(f);
CHECK_EQUAL(i1, i2);
}
//*************************************************************************

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@ -1,989 +0,0 @@
/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2019 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.
******************************************************************************/
#include "unit_test_framework.h"
#include <ostream>
#include <sstream>
#include <iomanip>
#include "etl/to_arithmetic.h"
#include "etl/string.h"
#include "etl/format_spec.h"
#undef STR
#define STR(x) x
namespace
{
//*************************************************************************
template <typename T>
std::ostream& operator <<(std::ostream& os, const etl::to_arithmetic_result<T>& result)
{
if (result.has_value())
{
os << result.value();
}
else
{
os << result.status().c_str();
}
return os;
}
typedef etl::format_spec Format;
SUITE(test_to_arithmetic)
{
//*************************************************************************
TEST(test_invalid_radixes)
{
const std::string text("128");
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 0));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 1));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 3));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 4));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 5));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 6));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 7));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 9));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 11));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 12));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 13));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 14));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 15));
CHECK(!etl::to_arithmetic<int8_t>(text.c_str(), text.size(), 17));
}
//*************************************************************************
TEST(test_invalid_binary_numerics)
{
const std::string text1(" 101");
const std::string text2("101 ");
const std::string text3("121");
const std::string text4("");
const std::string text5("-101");
CHECK(!etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::bin));
CHECK(!etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::bin));
CHECK(!etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::bin));
CHECK(!etl::to_arithmetic<int8_t>(text4.c_str(), text4.size(), etl::bin));
CHECK(!etl::to_arithmetic<uint8_t>(text5.c_str(), text5.size(), etl::bin));
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<int8_t>(text4.c_str(), text4.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Signed_To_Unsigned, etl::to_arithmetic<uint8_t>(text5.c_str(), text5.size(), etl::bin).status());
}
//*************************************************************************
TEST(test_valid_binary_numerics)
{
const std::string value1("0");
const std::string value2("1");
const std::string value3("0101");
const std::string value4("1010");
const std::string value5("01010011");
const std::string value6("10101100");
const std::string value7("-01010100");
CHECK_EQUAL(int(0), int(etl::to_arithmetic<int8_t>(value1.c_str(), value1.size(), etl::bin).value()));
CHECK_EQUAL(int(1), int(etl::to_arithmetic<int8_t>(value2.c_str(), value2.size(), etl::bin).value()));
CHECK_EQUAL(int(5), int(etl::to_arithmetic<int8_t>(value3.c_str(), value3.size(), etl::bin).value()));
CHECK_EQUAL(int(10), int(etl::to_arithmetic<int8_t>(value4.c_str(), value4.size(), etl::bin).value()));
CHECK_EQUAL(int(83), int(etl::to_arithmetic<int8_t>(value5.c_str(), value5.size(), etl::bin).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(value6.c_str(), value6.size(), etl::bin).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(value7.c_str(), value7.size(), etl::bin).value()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value1.c_str(), value1.size(), etl::bin).status()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value2.c_str(), value2.size(), etl::bin).status()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value3.c_str(), value3.size(), etl::bin).status()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value4.c_str(), value4.size(), etl::bin).status()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value5.c_str(), value5.size(), etl::bin).status()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value6.c_str(), value6.size(), etl::bin).status()));
CHECK_EQUAL(etl::to_arithmetic_status::Valid, int(etl::to_arithmetic<int8_t>(value7.c_str(), value7.size(), etl::bin).status()));
}
//*************************************************************************
TEST(test_maximum_binary_numerics)
{
const std::string int8_max("01111111");
const std::string int8_min_neg("-10000000");
const std::string int8_min_2c("10000000");
const std::string uint8_max("11111111");
const std::string uint8_min("00000000");
const std::string int16_max("0111111111111111");
const std::string int16_min_neg("-1000000000000000");
const std::string int16_min_2c("1000000000000000");
const std::string uint16_max("1111111111111111");
const std::string uint16_min("0000000000000000");
const std::string int32_max("01111111111111111111111111111111");
const std::string int32_min_neg("-10000000000000000000000000000000");
const std::string int32_min_2c("10000000000000000000000000000000");
const std::string uint32_max("11111111111111111111111111111111");
const std::string uint32_min("0");
const std::string int64_max("0111111111111111111111111111111111111111111111111111111111111111");
const std::string int64_min_neg("-1000000000000000000000000000000000000000000000000000000000000000");
const std::string int64_min_2c("1000000000000000000000000000000000000000000000000000000000000000");
const std::string uint64_max("1111111111111111111111111111111111111111111111111111111111111111");
const std::string uint64_min("0");
CHECK_EQUAL(127, etl::to_arithmetic<int8_t>(int8_max.c_str(), int8_max.size(), etl::bin));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min_neg.c_str(), int8_min_neg.size(), etl::bin));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min_2c.c_str(), int8_min_2c.size(), etl::bin));
CHECK_EQUAL(255, etl::to_arithmetic<uint8_t>(uint8_max.c_str(), uint8_max.size(), etl::bin));
CHECK_EQUAL(0, etl::to_arithmetic<uint8_t>(uint8_min.c_str(), uint8_min.size(), etl::bin));
CHECK_EQUAL(32767, etl::to_arithmetic<int16_t>(int16_max.c_str(), int16_max.size(), etl::bin));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min_neg.c_str(), int16_min_neg.size(), etl::bin));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min_2c.c_str(), int16_min_2c.size(), etl::bin));
CHECK_EQUAL(65535, etl::to_arithmetic<uint16_t>(uint16_max.c_str(), uint16_max.size(), etl::bin));
CHECK_EQUAL(0, etl::to_arithmetic<uint16_t>(uint16_min.c_str(), uint16_min.size(), etl::bin));
CHECK_EQUAL(2147483647LL, etl::to_arithmetic<int32_t>(int32_max.c_str(), int32_max.size(), etl::bin));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min_neg.c_str(), int32_min_neg.size(), etl::bin));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min_2c.c_str(), int32_min_2c.size(), etl::bin));
CHECK_EQUAL(4294967295, etl::to_arithmetic<uint32_t>(uint32_max.c_str(), uint32_max.size(), etl::bin));
CHECK_EQUAL(0, etl::to_arithmetic<uint32_t>(uint32_min.c_str(), uint32_min.size(), etl::bin));
CHECK_EQUAL(9223372036854775807LL, etl::to_arithmetic<int64_t>(int64_max.c_str(), int64_max.size(), etl::bin));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min_neg.c_str(), int64_min_neg.size(), etl::bin));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min_2c.c_str(), int64_min_2c.size(), etl::bin));
CHECK_EQUAL(18446744073709551615ULL, etl::to_arithmetic<uint64_t>(uint64_max.c_str(), uint64_max.size(), etl::bin));
CHECK_EQUAL(0ULL, etl::to_arithmetic<uint64_t>(uint64_min.c_str(), uint64_min.size(), etl::bin));
}
//*************************************************************************
TEST(test_binary_numerics_overflow)
{
const std::string int8_overflow_max("100000000");
const std::string int8_overflow_min("-100000000");
const std::string uint8_overflow_max("100000000");
const std::string int16_overflow_max("10000000000000000");
const std::string int16_overflow_min("-10000000000000000");
const std::string uint16_overflow_max("10000000000000000");
const std::string int32_overflow_max("100000000000000000000000000000000");
const std::string int32_overflow_min("-100000000000000000000000000000000");
const std::string uint32_overflow_max("100000000000000000000000000000000");
const std::string int64_overflow_max("10000000000000000000000000000000000000000000000000000000000000000");
const std::string int64_overflow_min("-10000000000000000000000000000000000000000000000000000000000000000");
const std::string uint64_overflow_max("10000000000000000000000000000000000000000000000000000000000000000");
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_max.c_str(), int8_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_min.c_str(), int8_overflow_min.size(), etl::bin));
CHECK(!etl::to_arithmetic<uint8_t>(uint8_overflow_max.c_str(), uint8_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_max.c_str(), int16_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_min.c_str(), int16_overflow_min.size(), etl::bin));
CHECK(!etl::to_arithmetic<uint16_t>(uint16_overflow_max.c_str(), uint16_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_max.c_str(), int32_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_min.c_str(), int32_overflow_min.size(), etl::bin));
CHECK(!etl::to_arithmetic<uint32_t>(uint32_overflow_max.c_str(), uint32_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_max.c_str(), int64_overflow_max.size(), etl::bin));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_min.c_str(), int64_overflow_min.size(), etl::bin));
CHECK(!etl::to_arithmetic<uint64_t>(uint64_overflow_max.c_str(), uint64_overflow_max.size(), etl::bin));
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int8_t>(int8_overflow_max.c_str(), int8_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int8_t>(int8_overflow_min.c_str(), int8_overflow_min.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<uint8_t>(uint8_overflow_max.c_str(), uint8_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int16_t>(int16_overflow_max.c_str(), int16_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int16_t>(int16_overflow_min.c_str(), int16_overflow_min.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<uint16_t>(uint16_overflow_max.c_str(), uint16_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int32_t>(int32_overflow_max.c_str(), int32_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int32_t>(int32_overflow_min.c_str(), int32_overflow_min.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<uint32_t>(uint32_overflow_max.c_str(), uint32_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int64_t>(int64_overflow_max.c_str(), int64_overflow_max.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<int64_t>(int64_overflow_min.c_str(), int64_overflow_min.size(), etl::bin).status());
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<uint64_t>(uint64_overflow_max.c_str(), uint64_overflow_max.size(), etl::bin).status());
}
//*************************************************************************
TEST(test_invalid_octal_numerics)
{
const std::string text1(" 127");
const std::string text2("127 ");
const std::string text3("187");
const std::string text4("-187");
CHECK(!etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::oct));
CHECK(!etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::oct));
CHECK(!etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::oct));
CHECK(!etl::to_arithmetic<uint8_t>(text4.c_str(), text4.size(), etl::oct));
}
//*************************************************************************
TEST(test_valid_octal_numerics)
{
const std::string value1("0");
const std::string value2("01");
const std::string value3("05");
const std::string value4("012");
const std::string value5("0123");
const std::string value6("0254");
const std::string value7("-0124");
CHECK_EQUAL(int(0), int(etl::to_arithmetic<int8_t>(value1.c_str(), value1.size(), etl::oct).value()));
CHECK_EQUAL(int(1), int(etl::to_arithmetic<int8_t>(value2.c_str(), value2.size(), etl::oct).value()));
CHECK_EQUAL(int(5), int(etl::to_arithmetic<int8_t>(value3.c_str(), value3.size(), etl::oct).value()));
CHECK_EQUAL(int(10), int(etl::to_arithmetic<int8_t>(value4.c_str(), value4.size(), etl::oct).value()));
CHECK_EQUAL(int(83), int(etl::to_arithmetic<int8_t>(value5.c_str(), value5.size(), etl::oct).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(value6.c_str(), value6.size(), etl::oct).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(value7.c_str(), value7.size(), etl::oct).value()));
}
//*************************************************************************
TEST(test_maximum_octal_numerics)
{
const std::string int8_max("177");
const std::string int8_min_neg("-200");
const std::string int8_min_2c("200");
const std::string uint8_max("377");
const std::string uint8_min("0");
const std::string int16_max("77777");
const std::string int16_min_neg("-100000");
const std::string int16_min_2c("100000");
const std::string uint16_max("177777");
const std::string uint16_min("0");
const std::string int32_max("17777777777");
const std::string int32_min_neg("-20000000000");
const std::string int32_min_2c("20000000000");
const std::string uint32_max("37777777777");
const std::string uint32_min("0");
const std::string int64_max("777777777777777777777");
const std::string int64_min_neg("-1000000000000000000000");
const std::string int64_min_2c("1000000000000000000000");
const std::string uint64_max("1777777777777777777777");
const std::string uint64_min("0");
CHECK_EQUAL(127, etl::to_arithmetic<int8_t>(int8_max.c_str(), int8_max.size(), etl::oct));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min_neg.c_str(), int8_min_neg.size(), etl::oct));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min_2c.c_str(), int8_min_2c.size(), etl::oct));
CHECK_EQUAL(255, etl::to_arithmetic<uint8_t>(uint8_max.c_str(), uint8_max.size(), etl::oct));
CHECK_EQUAL(0, etl::to_arithmetic<uint8_t>(uint8_min.c_str(), uint8_min.size(), etl::oct));
CHECK_EQUAL(32767, etl::to_arithmetic<int16_t>(int16_max.c_str(), int16_max.size(), etl::oct));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min_neg.c_str(), int16_min_neg.size(), etl::oct));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min_2c.c_str(), int16_min_2c.size(), etl::oct));
CHECK_EQUAL(65535, etl::to_arithmetic<uint16_t>(uint16_max.c_str(), uint16_max.size(), etl::oct));
CHECK_EQUAL(0, etl::to_arithmetic<uint16_t>(uint16_min.c_str(), uint16_min.size(), etl::oct));
CHECK_EQUAL(2147483647LL, etl::to_arithmetic<int32_t>(int32_max.c_str(), int32_max.size(), etl::oct));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min_neg.c_str(), int32_min_neg.size(), etl::oct));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min_2c.c_str(), int32_min_2c.size(), etl::oct));
CHECK_EQUAL(4294967295, etl::to_arithmetic<uint32_t>(uint32_max.c_str(), uint32_max.size(), etl::oct));
CHECK_EQUAL(0, etl::to_arithmetic<uint32_t>(uint32_min.c_str(), uint32_min.size(), etl::oct));
CHECK_EQUAL(9223372036854775807LL, etl::to_arithmetic<int64_t>(int64_max.c_str(), int64_max.size(), etl::oct));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min_neg.c_str(), int64_min_neg.size(), etl::oct));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min_2c.c_str(), int64_min_2c.size(), etl::oct));
CHECK_EQUAL(18446744073709551615ULL, etl::to_arithmetic<uint64_t>(uint64_max.c_str(), uint64_max.size(), etl::oct));
CHECK_EQUAL(0ULL, etl::to_arithmetic<uint64_t>(uint64_min.c_str(), uint64_min.size(), etl::oct));
}
//*************************************************************************
TEST(test_octal_numerics_overflow)
{
const std::string int8_overflow_max("400");
const std::string int8_overflow_min("-400");
const std::string uint8_overflow_max("400");
const std::string int16_overflow_max("200000");
const std::string int16_overflow_min("-200000");
const std::string uint16_overflow_max("200000");
const std::string int32_overflow_max("40000000000");
const std::string int32_overflow_min("-40000000000");
const std::string uint32_overflow_max("40000000000");
const std::string int64_overflow_max("2000000000000000000000");
const std::string int64_overflow_min("-2000000000000000000000");
const std::string uint64_overflow_max("2000000000000000000000");
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_max.c_str(), int8_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_min.c_str(), int8_overflow_min.size(), etl::oct));
CHECK(!etl::to_arithmetic<uint8_t>(uint8_overflow_max.c_str(), uint8_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_max.c_str(), int16_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_min.c_str(), int16_overflow_min.size(), etl::oct));
CHECK(!etl::to_arithmetic<uint16_t>(uint16_overflow_max.c_str(), uint16_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_max.c_str(), int32_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_min.c_str(), int32_overflow_min.size(), etl::oct));
CHECK(!etl::to_arithmetic<uint32_t>(uint32_overflow_max.c_str(), uint32_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_max.c_str(), int64_overflow_max.size(), etl::oct));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_min.c_str(), int64_overflow_min.size(), etl::oct));
CHECK(!etl::to_arithmetic<uint64_t>(uint64_overflow_max.c_str(), uint64_overflow_max.size(), etl::oct));
}
//*************************************************************************
TEST(test_invalid_decimal_numerics)
{
const std::string text1(" 128");
const std::string text2("128 ");
const std::string text3("1A8");
const std::string text4("++128");
const std::string text5("-+128");
const std::string text6("+-128");
const std::string text7("--128");
const std::string text8("+");
const std::string text9("-");
const std::string text10("");
CHECK(!etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text4.c_str(), text4.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text5.c_str(), text5.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text6.c_str(), text6.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text7.c_str(), text7.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text8.c_str(), text8.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text9.c_str(), text9.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(text10.c_str(), text10.size(), etl::dec));
}
//*************************************************************************
TEST(test_valid_decimal_numerics)
{
const std::string text1("0");
const std::string text2("1");
const std::string text3("5");
const std::string text4("+10");
const std::string text5("83");
const std::string text6("-84");
CHECK_EQUAL(int(0), int(etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::dec).value()));
CHECK_EQUAL(int(1), int(etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::dec).value()));
CHECK_EQUAL(int(5), int(etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::dec).value()));
CHECK_EQUAL(int(10), int(etl::to_arithmetic<int8_t>(text4.c_str(), text4.size(), etl::dec).value()));
CHECK_EQUAL(int(83), int(etl::to_arithmetic<int8_t>(text5.c_str(), text5.size(), etl::dec).value()));
CHECK_EQUAL(int(83), int(etl::to_arithmetic<uint8_t>(text5.c_str(), text5.size(), etl::dec).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(text6.c_str(), text6.size(), etl::dec).value()));
}
//*************************************************************************
TEST(test_maximum_decimal_numerics)
{
const std::string int8_max("127");
const std::string int8_min("-128");
const std::string uint8_max("255");
const std::string uint8_min("0");
const std::string int16_max("32767");
const std::string int16_min("-32768");
const std::string uint16_max("65535");
const std::string uint16_min("0");
const std::string int32_max("2147483647");
const std::string int32_min("-2147483648");
const std::string uint32_max("4294967295");
const std::string uint32_min("0");
const std::string int64_max("9223372036854775807");
const std::string int64_min("-9223372036854775808");
const std::string uint64_max("18446744073709551615");
const std::string uint64_min("0");
CHECK_EQUAL( 127, etl::to_arithmetic<int8_t>(int8_max.c_str(), int8_max.size(), etl::dec));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min.c_str(), int8_min.size(), etl::dec));
CHECK_EQUAL(255, etl::to_arithmetic<uint8_t>(uint8_max.c_str(), uint8_max.size(), etl::dec));
CHECK_EQUAL( 0, etl::to_arithmetic<uint8_t>(uint8_min.c_str(), uint8_min.size(), etl::dec));
CHECK_EQUAL( 32767, etl::to_arithmetic<int16_t>(int16_max.c_str(), int16_max.size(), etl::dec));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min.c_str(), int16_min.size(), etl::dec));
CHECK_EQUAL(65535, etl::to_arithmetic<uint16_t>(uint16_max.c_str(), uint16_max.size(), etl::dec));
CHECK_EQUAL( 0, etl::to_arithmetic<uint16_t>(uint16_min.c_str(), uint16_min.size(), etl::dec));
CHECK_EQUAL( 2147483647LL, etl::to_arithmetic<int32_t>(int32_max.c_str(), int32_max.size(), etl::dec));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min.c_str(), int32_min.size(), etl::dec));
CHECK_EQUAL(4294967295ULL, etl::to_arithmetic<uint32_t>(uint32_max.c_str(), uint32_max.size(), etl::dec));
CHECK_EQUAL( 0ULL, etl::to_arithmetic<uint32_t>(uint32_min.c_str(), uint32_min.size(), etl::dec));
CHECK_EQUAL( 9223372036854775807LL, etl::to_arithmetic<int64_t>(int64_max.c_str(), int64_max.size(), etl::dec));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min.c_str(), int64_min.size(), etl::dec));
CHECK_EQUAL(18446744073709551615ULL, etl::to_arithmetic<uint64_t>(uint64_max.c_str(), uint64_max.size(), etl::dec));
CHECK_EQUAL( 0ULL, etl::to_arithmetic<uint64_t>(uint64_min.c_str(), uint64_min.size(), etl::dec));
}
//*************************************************************************
TEST(test_decimal_numerics_overflow)
{
const std::string int8_overflow_max("128");
const std::string int8_overflow_min("-129");
const std::string int8_overflow_max_plus("1000");
const std::string int8_overflow_min_plus("-1000");
const std::string uint8_overflow_max("256");
const std::string int16_overflow_max("32768");
const std::string int16_overflow_min("-32769");
const std::string uint16_overflow_max("65536");
const std::string int32_overflow_max("2147483648");
const std::string int32_overflow_min("-2147483649");
const std::string uint32_overflow_max("4294967296");
const std::string int64_overflow_max("9223372036854775808");
const std::string int64_overflow_min("-9223372036854775809");
const std::string uint64_overflow_max("18446744073709551616");
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_max.c_str(), int8_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_min.c_str(), int8_overflow_min.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_max_plus.c_str(), int8_overflow_max_plus.size(), etl::dec));
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_min_plus.c_str(), int8_overflow_min_plus.size(), etl::dec));
CHECK(!etl::to_arithmetic<uint8_t>(uint8_overflow_max.c_str(), uint8_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_max.c_str(), int16_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_min.c_str(), int16_overflow_min.size(), etl::dec));
CHECK(!etl::to_arithmetic<uint16_t>(uint16_overflow_max.c_str(), uint16_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_max.c_str(), int32_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_min.c_str(), int32_overflow_min.size(), etl::dec));
CHECK(!etl::to_arithmetic<uint32_t>(uint32_overflow_max.c_str(), uint32_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_max.c_str(), int64_overflow_max.size(), etl::dec));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_min.c_str(), int64_overflow_min.size(), etl::dec));
CHECK(!etl::to_arithmetic<uint64_t>(uint64_overflow_max.c_str(), uint64_overflow_max.size(), etl::dec));
}
//*************************************************************************
TEST(test_invalid_hex_numerics)
{
const std::string text1(" 1Af");
const std::string text2("1Af ");
const std::string text3("1Gf");
const std::string text4("-1Af");
CHECK(!etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::hex));
CHECK(!etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::hex));
CHECK(!etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::hex));
CHECK(!etl::to_arithmetic<uint8_t>(text4.c_str(), text4.size(), etl::hex));
}
//*************************************************************************
TEST(test_valid_hex_numerics)
{
const std::string text1("0");
const std::string text2("1");
const std::string text3("5");
const std::string text4("a");
const std::string text5("53");
const std::string text6("Ac");
const std::string text7("-54");
CHECK_EQUAL(int(0), int(etl::to_arithmetic<int8_t>(text1.c_str(), text1.size(), etl::hex).value()));
CHECK_EQUAL(int(1), int(etl::to_arithmetic<int8_t>(text2.c_str(), text2.size(), etl::hex).value()));
CHECK_EQUAL(int(5), int(etl::to_arithmetic<int8_t>(text3.c_str(), text3.size(), etl::hex).value()));
CHECK_EQUAL(int(10), int(etl::to_arithmetic<int8_t>(text4.c_str(), text4.size(), etl::hex).value()));
CHECK_EQUAL(int(83), int(etl::to_arithmetic<int8_t>(text5.c_str(), text5.size(), etl::hex).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(text6.c_str(), text6.size(), etl::hex).value()));
CHECK_EQUAL(int(-84), int(etl::to_arithmetic<int8_t>(text7.c_str(), text7.size(), etl::hex).value()));
}
//*************************************************************************
TEST(test_maximum_hex_numerics)
{
const std::string int8_max("7F");
const std::string int8_min_neg("-80");
const std::string int8_min_2c("80");
const std::string uint8_max("FF");
const std::string uint8_min("0");
const std::string int16_max("7FFF");
const std::string int16_min_neg("-8000");
const std::string int16_min_2c("8000");
const std::string uint16_max("FFFF");
const std::string uint16_min("0");
const std::string int32_max("7FFFFFFF");
const std::string int32_min_neg("-80000000");
const std::string int32_min_2c("80000000");
const std::string uint32_max("FFFFFFFF");
const std::string uint32_min("0");
const std::string int64_max("7FFFFFFFFFFFFFFF");
const std::string int64_min_neg("-8000000000000000");
const std::string int64_min_2c("8000000000000000");
const std::string uint64_max("FFFFFFFFFFFFFFFF");
const std::string uint64_min("0");
CHECK_EQUAL(127, etl::to_arithmetic<int8_t>(int8_max.c_str(), int8_max.size(), etl::hex));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min_neg.c_str(), int8_min_neg.size(), etl::hex));
CHECK_EQUAL(-128, etl::to_arithmetic<int8_t>(int8_min_2c.c_str(), int8_min_2c.size(), etl::hex));
CHECK_EQUAL(255, etl::to_arithmetic<uint8_t>(uint8_max.c_str(), uint8_max.size(), etl::hex));
CHECK_EQUAL(0, etl::to_arithmetic<uint8_t>(uint8_min.c_str(), uint8_min.size(), etl::hex));
CHECK_EQUAL(32767, etl::to_arithmetic<int16_t>(int16_max.c_str(), int16_max.size(), etl::hex));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min_neg.c_str(), int16_min_neg.size(), etl::hex));
CHECK_EQUAL(-32768, etl::to_arithmetic<int16_t>(int16_min_2c.c_str(), int16_min_2c.size(), etl::hex));
CHECK_EQUAL(65535, etl::to_arithmetic<uint16_t>(uint16_max.c_str(), uint16_max.size(), etl::hex));
CHECK_EQUAL(0, etl::to_arithmetic<uint16_t>(uint16_min.c_str(), uint16_min.size(), etl::hex));
CHECK_EQUAL(2147483647LL, etl::to_arithmetic<int32_t>(int32_max.c_str(), int32_max.size(), etl::hex));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min_neg.c_str(), int32_min_neg.size(), etl::hex));
CHECK_EQUAL(-2147483648LL, etl::to_arithmetic<int32_t>(int32_min_2c.c_str(), int32_min_2c.size(), etl::hex));
CHECK_EQUAL(4294967295, etl::to_arithmetic<uint32_t>(uint32_max.c_str(), uint32_max.size(), etl::hex));
CHECK_EQUAL(0, etl::to_arithmetic<uint32_t>(uint32_min.c_str(), uint32_min.size(), etl::hex));
CHECK_EQUAL(9223372036854775807LL, etl::to_arithmetic<int64_t>(int64_max.c_str(), int64_max.size(), etl::hex));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min_neg.c_str(), int64_min_neg.size(), etl::hex));
CHECK_EQUAL(-9223372036854775808LL, etl::to_arithmetic<int64_t>(int64_min_2c.c_str(), int64_min_2c.size(), etl::hex));
CHECK_EQUAL(18446744073709551615ULL, etl::to_arithmetic<uint64_t>(uint64_max.c_str(), uint64_max.size(), etl::hex));
CHECK_EQUAL(0ULL, etl::to_arithmetic<uint64_t>(uint64_min.c_str(), uint64_min.size(), etl::hex));
}
//*************************************************************************
TEST(test_hex_numerics_overflow)
{
const std::string int8_overflow_max("100");
const std::string int8_overflow_min("-100");
const std::string uint8_overflow_max("100");
const std::string int16_overflow_max("10000");
const std::string int16_overflow_min("-10000");
const std::string uint16_overflow_max("10000");
const std::string int32_overflow_max("100000000");
const std::string int32_overflow_min("-100000000");
const std::string uint32_overflow_max("100000000");
const std::string int64_overflow_max("10000000000000000");
const std::string int64_overflow_min("-10000000000000000");
const std::string uint64_overflow_max("10000000000000000");
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_max.c_str(), int8_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int8_t>(int8_overflow_min.c_str(), int8_overflow_min.size(), etl::hex));
CHECK(!etl::to_arithmetic<uint8_t>(uint8_overflow_max.c_str(), uint8_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_max.c_str(), int16_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int16_t>(int16_overflow_min.c_str(), int16_overflow_min.size(), etl::hex));
CHECK(!etl::to_arithmetic<uint16_t>(uint16_overflow_max.c_str(), uint16_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_max.c_str(), int32_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int32_t>(int32_overflow_min.c_str(), int32_overflow_min.size(), etl::hex));
CHECK(!etl::to_arithmetic<uint32_t>(uint32_overflow_max.c_str(), uint32_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_max.c_str(), int64_overflow_max.size(), etl::hex));
CHECK(!etl::to_arithmetic<int64_t>(int64_overflow_min.c_str(), int64_overflow_min.size(), etl::hex));
CHECK(!etl::to_arithmetic<uint64_t>(uint64_overflow_max.c_str(), uint64_overflow_max.size(), etl::hex));
}
//*************************************************************************
TEST(test_valid_float)
{
std::string text;
//*********************************
text = "-123.456789";
float f1 = strtof(text.c_str(), nullptr);
float f2 = etl::to_arithmetic<float>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "123.456789";
f1 = strtof(text.c_str(), nullptr);
f2 = etl::to_arithmetic<float>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "-1.23456789e2";
f1 = strtof(text.c_str(), nullptr);
f2 = etl::to_arithmetic<float>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "-12345.6789e-2";
f1 = strtof(text.c_str(), nullptr);
f2 = etl::to_arithmetic<float>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "+12345E-2";
f1 = strtof(text.c_str(), nullptr);
f2 = etl::to_arithmetic<float>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "+12345.6789E000";
f1 = strtof(text.c_str(), nullptr);
f2 = etl::to_arithmetic<float>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
}
//*************************************************************************
TEST(test_invalid_float)
{
std::string text;
//*********************************
text = " -123.456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "-123.456789 ";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "-12A.456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "-123.456A89";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "123.-456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "123E.45";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
//*********************************
text = "123.45E1000";
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<float>(text.c_str(), text.size()).status());
}
//*************************************************************************
TEST(test_valid_double)
{
std::string text;
//*********************************
text = "-123.45678901234567";
double f1 = strtod(text.c_str(), nullptr);
double f2 = etl::to_arithmetic<double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "123.45678901234567";
f1 = strtod(text.c_str(), nullptr);
f2 = etl::to_arithmetic<double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-1.2345678901234567e2";
f1 = strtod(text.c_str(), nullptr);
f2 = etl::to_arithmetic<double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-12345.678901234567e-2";
f1 = strtod(text.c_str(), nullptr);
f2 = etl::to_arithmetic<double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "+12345E-2";
f1 = strtod(text.c_str(), nullptr);
f2 = etl::to_arithmetic<double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "+12345.678901234567E0";
f1 = strtod(text.c_str(), nullptr);
f2 = etl::to_arithmetic<double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
}
//*************************************************************************
TEST(test_invalid_double)
{
std::string text;
//*********************************
text = " -123.456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-123.456789 ";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-12A.456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-123.456A89";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "123.-456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "123E.45";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "123.45E1000";
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
}
//*************************************************************************
TEST(test_valid_long_double)
{
std::string text;
//*********************************
text = "-123.45678901234567";
long double f1 = strtold(text.c_str(), nullptr);
long double f2 = etl::to_arithmetic<long double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "123.45678901234567";
f1 = strtold(text.c_str(), nullptr);
f2 = etl::to_arithmetic<long double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-1.2345678901234567e2";
f1 = strtold(text.c_str(), nullptr);
f2 = etl::to_arithmetic<long double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "-12345.678901234567e-2";
f1 = strtold(text.c_str(), nullptr);
f2 = etl::to_arithmetic<long double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "+12345E-2";
f1 = strtold(text.c_str(), nullptr);
f2 = etl::to_arithmetic<long double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
//*********************************
text = "+12345.678901234567E000";
f1 = strtold(text.c_str(), nullptr);
f2 = etl::to_arithmetic<long double>(text.c_str(), text.size()).value();
CHECK_CLOSE(f1, f2, 0.00001);
CHECK_EQUAL(etl::to_arithmetic_status::Valid, etl::to_arithmetic<double>(text.c_str(), text.size()).status());
}
//*************************************************************************
TEST(test_invalid_long_double)
{
std::string text;
//*********************************
text = " -123.456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
//*********************************
text = "-123.456789 ";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
//*********************************
text = "-12A.456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
//*********************************
text = "-123.456A89";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
//*********************************
text = "123.-456789";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
//*********************************
text = "123E.45";
CHECK_EQUAL(etl::to_arithmetic_status::Invalid_Format, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
//*********************************
text = "123.45E1000";
CHECK_EQUAL(etl::to_arithmetic_status::Overflow, etl::to_arithmetic<long double>(text.c_str(), text.size()).status());
}
//*************************************************************************
TEST(test_constexpr_integral)
{
// constexpr const char* text{ "123" };
// constexpr etl::string_view view(text, 3);
// constexpr etl::optional<int> opt = etl::to_arithmetic<int>(view, etl::radix::decimal);
// constexpr int i = opt.value();
// CHECK_EQUAL(123, i);
}
//*************************************************************************
TEST(test_constexpr_floating_point)
{
//constexpr const char* text{ "123.456789" };
//constexpr etl::string_view view(text, 3);
//constexpr etl::optional<double> opt = etl::to_arithmetic<double>(view);
//constexpr double i = opt.value();
//CHECK_EQUAL(123, i);
}
}
}

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View File

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