101 lines
2.8 KiB
C++
101 lines
2.8 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 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 "maths.hpp"
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#include <cmath>
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#include <cstdlib>
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using namespace std;
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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 (const 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 (const 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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template <size_t S, typename T>
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void
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util::point<S,T>::sanity (void) const {
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CHECK (std::all_of (begin (this->data),
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end (this->data),
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[] (double i) { return !std::isnan (i); }));
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}
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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const util::point<S,T> util::point<S,T>::ORIGIN (T {0});
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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std::ostream&
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util::operator<< (std::ostream &os, const util::point<S,T> &p) {
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os << "point" << S << "(";
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os << p.data[0];
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for (size_t i = 1; i < S; ++i)
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os << ", " << p.data[i];
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os << ")";
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return os;
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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 std::ostream& util::operator<< (std::ostream &os, const util::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(int32_t)
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INSTANTIATE(uint32_t)
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INSTANTIATE(int64_t)
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INSTANTIATE(uint64_t)
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INSTANTIATE(float)
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INSTANTIATE(double)
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