39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*
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* Copyright 2015, 2016 Michele "King_DuckZ" Santullo
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*
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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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#ifndef id8949C80C36BA42CABC49EA4C1DB54BC7
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#define id8949C80C36BA42CABC49EA4C1DB54BC7
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#include "vectorwrapper.hpp"
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#include <type_traits>
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#include <cstddef>
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namespace vwr {
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template <typename V1, typename V2, std::size_t S>
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typename std::common_type<typename Vec<V1>::scalar_type, typename Vec<V2>::scalar_type>::type dot ( const Vec<V1, S>& parLeft, const Vec<V2, S>& parRight );
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template <typename V1, typename V2, std::size_t S>
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inline typename std::common_type<typename Vec<V1>::scalar_type, typename Vec<V2>::scalar_type>::type dot (const Vec<V1, S>& parLeft, const Vec<V2, S>& parRight) {
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auto retval = parLeft.x() * parRight.x();
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for (std::size_t z = 1; z < S; ++z) {
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retval += parLeft[z] * parRight[z];
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}
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return retval;
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}
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} //namespace vwr
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#endif
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