forked from mpusz/mp-units
120 lines
7.1 KiB
C++
120 lines
7.1 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 "units/bits/dimension_op.h"
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#include "units/unit.h"
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#include <utility>
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using namespace units;
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namespace {
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struct u0 : named_unit<u0, "u0", no_prefix> {};
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struct d0 : base_dimension<"d0", u0> {};
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struct u1 : named_unit<u1, "u1", no_prefix> {};
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struct d1 : base_dimension<"d1", u1> {};
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struct u2 : named_unit<u2, "u2", no_prefix> {};
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struct d2 : base_dimension<"d2", u2> {};
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struct u3 : named_unit<u3, "u3", no_prefix> {};
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struct d3 : base_dimension<"d3", u3> {};
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// exponent_invert
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static_assert(is_same_v<exponent_invert<units::exponent<d0, 2>>, units::exponent<d0, -2>>);
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static_assert(is_same_v<exponent_invert<units::exponent<d1, -2>>, units::exponent<d1, 2>>);
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// dim_unpack
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template<typename T>
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struct typeinfo;
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template<typename... Ts>
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using dim_unpack = TYPENAME detail::dim_unpack<Ts...>::type;
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template<Exponent... Es>
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using derived_dim = detail::derived_dimension_base<Es...>;
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static_assert(is_same_v<dim_unpack<>, exponent_list<>>);
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static_assert(is_same_v<dim_unpack<units::exponent<d0, 1>>, exponent_list<units::exponent<d0, 1>>>);
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static_assert(is_same_v<dim_unpack<units::exponent<d0, 1>, units::exponent<d1, 2>>, exponent_list<units::exponent<d0, 1>, units::exponent<d1, 2>>>);
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using dim1 = derived_dim<units::exponent<d0, 1>>;
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using dim2 = derived_dim<units::exponent<d0, 1>, units::exponent<d1, 2>>;
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static_assert(is_same_v<dim_unpack<units::exponent<dim1, 2>, units::exponent<d0, 1>>, exponent_list<units::exponent<d0, 2>, units::exponent<d0, 1>>>);
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static_assert(is_same_v<dim_unpack<units::exponent<dim2, -2>, units::exponent<d0, 1>, units::exponent<d1, 2>>,
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exponent_list<units::exponent<d0, -2>, units::exponent<d1, -4>, units::exponent<d0, 1>, units::exponent<d1, 2>>>);
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// dim_invert
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static_assert(is_same_v<dim_invert<derived_dim<units::exponent<d0, -1>>>, d0>);
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static_assert(is_same_v<dim_invert<derived_dim<units::exponent<d0, -2>>>, unknown_dimension<units::exponent<d0, 2>>>);
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static_assert(
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is_same_v<dim_invert<derived_dim<units::exponent<d0, 2>, units::exponent<d1, -1>>>, unknown_dimension<units::exponent<d0, -2>, units::exponent<d1, 1>>>);
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// make_dimension
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template<typename... Ts>
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using make_dimension = detail::make_dimension<Ts...>;
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static_assert(is_same_v<make_dimension<units::exponent<d0, 1>>, derived_dim<units::exponent<d0, 1>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>>, derived_dim<units::exponent<d0, 1>, units::exponent<d1, 1>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d1, 1>, units::exponent<d0, 1>>, derived_dim<units::exponent<d0, 1>, units::exponent<d1, 1>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d1, 1>, units::exponent<d1, 1>>, derived_dim<units::exponent<d1, 2>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d1, 1>, units::exponent<d1, 1, 2>>, derived_dim<units::exponent<d1, 3, 2>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d1, 1, 2>, units::exponent<d1, 1, 2>>, derived_dim<units::exponent<d1, 1>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d1, 2>, units::exponent<d1, 1, 2>>, derived_dim<units::exponent<d1, 5, 2>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d0, 1>, units::exponent<d1, 1>>,
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derived_dim<units::exponent<d0, 2>, units::exponent<d1, 2>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d0, -1>, units::exponent<d1, -1>, units::exponent<d0, -1>, units::exponent<d1, -1>>,
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derived_dim<units::exponent<d0, -2>, units::exponent<d1, -2>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d1, -1>>, derived_dim<units::exponent<d0, 1>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d0, 1>, units::exponent<d0, -1>, units::exponent<d1, 1>>, derived_dim<units::exponent<d1, 1>>>);
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static_assert(is_same_v<make_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d0, -1>>, derived_dim<units::exponent<d1, 1>>>);
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// dimension_multiply
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static_assert(is_same_v<dimension_multiply<derived_dim<units::exponent<d0, 1>>, derived_dim<units::exponent<d1, 1>>>,
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unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>>>);
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static_assert(
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is_same_v<dimension_multiply<derived_dim<units::exponent<d0, 1>>, d1>, unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>>>);
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static_assert(
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is_same_v<dimension_multiply<d0, derived_dim<units::exponent<d1, 1>>>, unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>>>);
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static_assert(is_same_v<dimension_multiply<d0, d1>, unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>>>);
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static_assert(is_same_v<
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dimension_multiply<derived_dim<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d2, 1>>, derived_dim<units::exponent<d3, 1>>>,
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unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d2, 1>, units::exponent<d3, 1>>>);
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static_assert(is_same_v<
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dimension_multiply<derived_dim<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d2, 1>>, derived_dim<units::exponent<d1, 1>>>,
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unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, 2>, units::exponent<d2, 1>>>);
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static_assert(is_same_v<
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dimension_multiply<derived_dim<units::exponent<d0, 1>, units::exponent<d1, 1>, units::exponent<d2, 1>>, derived_dim<units::exponent<d1, -1>>>,
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unknown_dimension<units::exponent<d0, 1>, units::exponent<d2, 1>>>);
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static_assert(is_same_v<dimension_multiply<derived_dim<units::exponent<d0, 2>>, derived_dim<units::exponent<d0, -1>>>, d0>);
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// dimension_divide
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static_assert(is_same_v<dimension_divide<derived_dim<units::exponent<d0, 1>>, derived_dim<units::exponent<d1, 1>>>,
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unknown_dimension<units::exponent<d0, 1>, units::exponent<d1, -1>>>);
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static_assert(is_same_v<dimension_divide<derived_dim<units::exponent<d0, 2>>, unknown_dimension<units::exponent<d0, 1>>>, d0>);
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} // namespace
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