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e82bfa23a5
* feat: first draft floor * apply review feedback and move to desired files * implement floor considering float types * reduce code duplication * apply review feedback and improve docstring * enable static floor tests for gcc only * Use recommended feature-test macro * add floor runtime unittests * apply review feedback * make lambda const
83 lines
3.9 KiB
C++
83 lines
3.9 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Mateusz Pusz
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "test_tools.h"
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#include <units/math.h> // IWYU pragma: keep
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#include <units/isq/si/length.h>
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#include <units/isq/si/area.h>
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#include <units/isq/si/volume.h>
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#include <units/isq/si/time.h>
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#include <units/isq/si/international/length.h>
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#include <units/isq/si/international/area.h>
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#include <units/isq/si/international/volume.h>
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namespace {
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using namespace units;
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using namespace units::isq;
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using namespace units::isq::si::literals;
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using namespace units::isq::si::international::literals;
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static_assert(compare<decltype(pow<0>(2_q_m)), std::int64_t>);
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static_assert(compare<decltype(pow<1>(2_q_m)), decltype(2_q_m)>);
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static_assert(compare<decltype(pow<2>(2_q_m)), decltype(4_q_m2)>);
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static_assert(compare<decltype(pow<2>(2_q_km)), decltype(4_q_km2)>);
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static_assert(compare<decltype(pow<2>(2_q_ft)), decltype(4_q_ft2)>);
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static_assert(compare<decltype(sqrt(4_q_m2)), decltype(2_q_m)>);
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static_assert(compare<decltype(sqrt(4_q_km2)), decltype(2_q_km)>);
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static_assert(compare<decltype(sqrt(4_q_ft2)), decltype(2_q_ft)>);
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static_assert(compare<decltype(cbrt(8_q_m3)), decltype(2_q_m)>);
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static_assert(compare<decltype(cbrt(8_q_km3)), decltype(2_q_km)>);
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static_assert(compare<decltype(cbrt(8_q_ft3)), decltype(2_q_ft)>);
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static_assert(compare<decltype(pow<1, 4>(4_q_m2 * 4_q_m2)), decltype(2_q_m)>);
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static_assert(compare<decltype(pow<1, 4>(4_q_km2 * 4_q_km2)), decltype(2_q_km)>);
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static_assert(compare<decltype(pow<1, 4>(4_q_ft2 * 4_q_ft2)), decltype(2_q_ft)>);
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// rational dimensions
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static_assert(compare<decltype(pow<1, 4>(4_q_m2)), decltype(sqrt(2_q_m))>);
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static_assert(compare<decltype(pow<1, 4>(4_q_km2)), decltype(sqrt(2_q_km))>);
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static_assert(compare<decltype(pow<1, 4>(4_q_ft2)), decltype(sqrt(2_q_ft))>);
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#if __cpp_lib_constexpr_cmath // TODO remove once std::floor is constexpr for all compilers
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// floor
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// integral types
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static_assert(compare<decltype(floor<si::second>(1_q_s)), decltype(1_q_s)>);
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static_assert(compare<decltype(floor<si::second>(1000_q_ms)), decltype(1_q_s)>);
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static_assert(compare<decltype(floor<si::second>(1001_q_ms)), decltype(1_q_s)>);
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static_assert(compare<decltype(floor<si::second>(1999_q_ms)), decltype(1_q_s)>);
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static_assert(compare<decltype(floor<si::second>(-1000_q_ms)), decltype(-1_q_s)>);
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static_assert(compare<decltype(floor<si::second>(-999_q_ms)), decltype(-1_q_s)>);
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// floating-point
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static_assert(floor<si::second>(1.3_q_s) == 1_q_s);
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static_assert(floor<si::second>(-1.3_q_s) == -2_q_s);
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// static_assert(floor<si::second>(1000._q_ms) == 1_q_s); // does not work due to a bug in fpow10() see #311
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static_assert(floor<si::second>(1001._q_ms) == 1_q_s);
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static_assert(floor<si::second>(1999._q_ms) == 1_q_s);
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static_assert(floor<si::second>(-1000._q_ms) == -1_q_s);
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static_assert(floor<si::second>(-999._q_ms) == -1_q_s);
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#endif
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} // namespace
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