39 lines
1.1 KiB
C++
39 lines
1.1 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 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_POLYNOMIAL_HPP
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#define __UTIL_POLYNOMIAL_HPP
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#include <array>
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#include <cstdlib>
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namespace util::polynomial {
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// Invalid solutions are represented by NaN. They are guaranteed to
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// be at the end of the solution list, so they are safe to skip on the
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// first instance.
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template <size_t S>
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std::array<float,S>
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roots (std::array<float,S+1>);
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template <size_t S, typename T, typename U>
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T
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eval (std::array<T,S>, U x);
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}
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#include "polynomial.ipp"
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#endif
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