88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2011-2016 Danny Robson <danny@nerdcruft.net>
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*/
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#include "./point.hpp"
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#include "./debug.hpp"
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#include <cstdlib>
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using util::point;
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///////////////////////////////////////////////////////////////////////////////
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template <size_t S, typename T>
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util::vector<S,T>
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util::point<S,T>::to (point<S,T> rhs) const
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{
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util::vector<S,T> out;
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for (size_t i = 0; i < S; ++i)
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out.data[i] = rhs.data[i] - this->data[i];
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return out;
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}
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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util::vector<S,T>
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util::point<S,T>::from (point<S,T> rhs) const
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{
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util::vector<S,T> out;
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for (size_t i = 0; i < S; ++i)
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out.data[i] = this->data[i] - rhs.data[i];
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return out;
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}
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///////////////////////////////////////////////////////////////////////////////
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namespace util::debug {
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template <size_t S, typename T>
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struct validator<point<S,T>> {
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static bool is_valid (const point<S,T> &p)
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{
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// ensure we don't have a nan anywhere
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return std::all_of (p.cbegin (), p.cend (), [] (auto i) {
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return !(std::is_floating_point<T>::value && std::isnan (i));
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});
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}
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};
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}
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//-----------------------------------------------------------------------------
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#define INSTANTIATE_S_T(S,T) \
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template struct util::point<S,T>; \
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template bool util::debug::is_valid (const point<S,T>&); \
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template struct util::debug::validator<point<S,T>>;
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#define INSTANTIATE(T) \
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INSTANTIATE_S_T(1,T) \
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INSTANTIATE_S_T(2,T) \
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INSTANTIATE_S_T(3,T) \
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INSTANTIATE_S_T(4,T)
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INSTANTIATE(int16_t)
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INSTANTIATE(int32_t)
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INSTANTIATE(int64_t)
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INSTANTIATE(uint16_t)
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INSTANTIATE(uint32_t)
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INSTANTIATE(uint64_t)
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INSTANTIATE(float)
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INSTANTIATE(double)
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