Attila Body
11c24647ea
subrepo: subdir: "components/etl" merged: "be5537ec" upstream: origin: "git@github.com:ETLCPP/etl.git" branch: "20.41.6" commit: "be5537ec" git-subrepo: version: "0.4.9" origin: "???" commit: "???"
230 lines
7 KiB
C++
230 lines
7 KiB
C++
/******************************************************************************
|
|
The MIT License(MIT)
|
|
|
|
Embedded Template Library.
|
|
https://github.com/ETLCPP/etl
|
|
https://www.etlcpp.com
|
|
|
|
Documentation:
|
|
|
|
Copyright(c) 2024 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 "etl/ratio.h"
|
|
|
|
namespace
|
|
{
|
|
// Helper to find the greatest common divisor
|
|
template <intmax_t A, intmax_t B>
|
|
struct gcd
|
|
{
|
|
static ETL_CONSTANT intmax_t value = gcd<B, A % B>::value;
|
|
};
|
|
|
|
template <intmax_t A>
|
|
struct gcd<A, 0>
|
|
{
|
|
static ETL_CONSTANT intmax_t value = A;
|
|
};
|
|
|
|
SUITE(test_ratio)
|
|
{
|
|
//*************************************************************************
|
|
TEST(test_definitions)
|
|
{
|
|
constexpr intmax_t Num = 20;
|
|
constexpr intmax_t Den = 600;
|
|
|
|
intmax_t N = Num / gcd<Num, Den>::value;
|
|
intmax_t D = Den / gcd<Num, Den>::value;
|
|
|
|
using ratio = etl::ratio<Num, Den>;
|
|
using ratio_type = ratio::type;
|
|
|
|
CHECK_FALSE((std::is_same<ratio, ratio_type>::value));
|
|
|
|
CHECK_EQUAL(N, ratio::num);
|
|
CHECK_EQUAL(D, ratio::den);
|
|
|
|
CHECK_EQUAL(N, ratio_type::num);
|
|
CHECK_EQUAL(D, ratio_type::den);
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_add)
|
|
{
|
|
using two_thirds = etl::ratio<2, 3>;
|
|
using one_sixth = etl::ratio<1, 6>;
|
|
using ratio = etl::ratio_add<two_thirds, one_sixth>;
|
|
|
|
CHECK_TRUE((std::is_same<ratio, etl::ratio<15, 18>>::value));
|
|
CHECK_EQUAL(5, ratio::num);
|
|
CHECK_EQUAL(6, ratio::den);
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_subtract)
|
|
{
|
|
using two_thirds = etl::ratio<2, 3>;
|
|
using one_sixth = etl::ratio<1, 6>;
|
|
using ratio = etl::ratio_subtract<two_thirds, one_sixth>;
|
|
|
|
CHECK_TRUE((std::is_same<ratio, etl::ratio<9, 18>>::value));
|
|
CHECK_EQUAL(1, ratio::num);
|
|
CHECK_EQUAL(2, ratio::den);
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
using r3 = etl::ratio_subtract<r1, r2>;
|
|
|
|
CHECK((etl::ratio_equal<r3, etl::ratio<-1, 6>>::value));
|
|
CHECK((!etl::ratio_equal<r3, etl::ratio<-2, 6>>::value));
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_multiply)
|
|
{
|
|
using two_thirds = etl::ratio<2, 3>;
|
|
using one_sixth = etl::ratio<1, 6>;
|
|
using ratio = etl::ratio_multiply<two_thirds, one_sixth>;
|
|
|
|
CHECK_TRUE((std::is_same<ratio, etl::ratio<2, 18>>::value));
|
|
CHECK_EQUAL(1, ratio::num);
|
|
CHECK_EQUAL(9, ratio::den);
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
using r3 = etl::ratio_multiply<r1, r2>;
|
|
|
|
CHECK((etl::ratio_equal<r3, etl::ratio<1, 3>>::value));
|
|
CHECK((!etl::ratio_equal<r3, etl::ratio<1, 4>>::value));
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_divide)
|
|
{
|
|
using two_thirds = etl::ratio<2, 3>;
|
|
using one_sixth = etl::ratio<1, 6>;
|
|
using ratio = etl::ratio_divide<two_thirds, one_sixth>;
|
|
|
|
CHECK_TRUE((std::is_same<ratio, etl::ratio<12, 3>>::value));
|
|
CHECK_EQUAL(4, ratio::num);
|
|
CHECK_EQUAL(1, ratio::den);
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
using r3 = etl::ratio_divide<r1, r2>;
|
|
|
|
CHECK((!etl::ratio_not_equal<r3, etl::ratio<3, 4>>::value));
|
|
CHECK((etl::ratio_not_equal<r3, etl::ratio<4, 3>>::value));
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_equal)
|
|
{
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
|
|
CHECK((etl::ratio_equal<r1, r1>::value));
|
|
CHECK((!etl::ratio_equal<r1, r2>::value));
|
|
|
|
#if ETL_USING_CPP17
|
|
CHECK((etl::ratio_equal_v<r1, r1>));
|
|
CHECK((!etl::ratio_equal_v<r1, r2>));
|
|
#endif
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_not_equal)
|
|
{
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
|
|
CHECK((!etl::ratio_not_equal<r1, r1>::value));
|
|
CHECK((etl::ratio_not_equal<r1, r2>::value));
|
|
|
|
#if ETL_USING_CPP17
|
|
CHECK((!etl::ratio_not_equal_v<r1, r1>));
|
|
CHECK((etl::ratio_not_equal_v<r1, r2>));
|
|
#endif
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_less)
|
|
{
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
|
|
CHECK((etl::ratio_less<r1, r2>::value));
|
|
CHECK((!etl::ratio_less<r2, r1>::value));
|
|
|
|
#if ETL_USING_CPP17
|
|
CHECK((etl::ratio_less_v<r1, r2>));
|
|
CHECK((!etl::ratio_less_v<r1, r1>));
|
|
#endif
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_less_equal)
|
|
{
|
|
using r1 = etl::ratio<1, 2>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
|
|
CHECK((etl::ratio_less_equal<r1, r1>::value));
|
|
CHECK((etl::ratio_less_equal<r1, r2>::value));
|
|
|
|
#if ETL_USING_CPP17
|
|
CHECK((etl::ratio_less_equal_v<r1, r1>));
|
|
CHECK((etl::ratio_less_equal_v<r1, r1>));
|
|
#endif
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_greater)
|
|
{
|
|
using r1 = etl::ratio<4, 3>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
|
|
CHECK((etl::ratio_greater<r1, r2>::value));
|
|
CHECK((!etl::ratio_greater<r2, r1>::value));
|
|
|
|
#if ETL_USING_CPP17
|
|
CHECK((etl::ratio_greater_v<r1, r2>));
|
|
CHECK((!etl::ratio_greater_v<r2, r1>));
|
|
#endif
|
|
}
|
|
|
|
//*************************************************************************
|
|
TEST(test_ratio_greater_equal)
|
|
{
|
|
using r1 = etl::ratio<4, 3>;
|
|
using r2 = etl::ratio<2, 3>;
|
|
|
|
CHECK((etl::ratio_greater_equal<r1, r1>::value));
|
|
CHECK((etl::ratio_greater_equal<r1, r2>::value));
|
|
|
|
#if ETL_USING_CPP17
|
|
CHECK((etl::ratio_greater_equal_v<r1, r1>));
|
|
CHECK((etl::ratio_greater_equal_v<r1, r2>));
|
|
#endif
|
|
}
|
|
};
|
|
|
|
}
|