💿🐜 Antkeeper source code
https://antkeeper.com
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58 lines
1.5 KiB
58 lines
1.5 KiB
/*
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* Copyright (C) 2020 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_ZYGOSITY_HPP
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#define ANTKEEPER_ZYGOSITY_HPP
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namespace dna
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{
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/**
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* Tests a gene for heterozygosity.
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*
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* @param x Gene with alleles encoded in the two least significant bits.
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* @return `true` if the gene is heterozygous, `false` otherwise.
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*/
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template <class T>
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bool is_heterozygous(T x);
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/**
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* Tests a gene for homozygosity.
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*
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* @param x Gene with alleles encoded in the two least significant bits.
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* @return `true` if the gene is homozygous, `false` otherwise.
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*/
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template <class T>
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bool is_homozygous(T x);
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template <class T>
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inline bool is_heterozygous<T>(T x)
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{
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return x & 1 != (x >> 1) & 1;
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}
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template <class T>
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inline bool is_homozygous<T>(T x)
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{
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return x & 1 == (x >> 1) & 1;
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}
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} // namespace dna
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#endif // ANTKEEPER_ZYGOSITY_HPP
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