61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/* Copyright 2016-2021, Michele Santullo
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* This file is part of "duckhandy".
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*
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* "duckhandy" 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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* "duckhandy" 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 "duckhandy". If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef id1E6CCE44307549A9B6C9E4E5923AC002
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#define id1E6CCE44307549A9B6C9E4E5923AC002
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#include "lengthof.h"
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#include <cstdint>
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#include <ciso646>
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#include <climits>
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namespace dhandy::bt {
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struct TigerHash {
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consteval TigerHash ( uint64_t parA, uint64_t parB, uint64_t parC ) :
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a(parA), b(parB), c(parC)
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{
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}
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consteval TigerHash ( uint64_t parAP, uint64_t parA, uint64_t parBP, uint64_t parB, uint64_t parCP, uint64_t parC ) :
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a(0 == parAP ? parA : (0 == parBP ? parB : (0 == parCP ? parC : throw 0))),
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b(1 == parAP ? parA : (1 == parBP ? parB : (1 == parCP ? parC : throw 0))),
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c(2 == parAP ? parA : (2 == parBP ? parB : (2 == parCP ? parC : throw 0)))
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{
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}
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consteval TigerHash ( const TigerHash& ) = default;
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consteval uint64_t operator[] ( uint64_t parIndex ) const {
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return (parIndex == 0 ? a :
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(parIndex == 1 ? b :
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(parIndex == 2 ? c : throw 0)
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)
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);
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}
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uint64_t a;
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uint64_t b;
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uint64_t c;
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};
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inline const constexpr char TigerPaddingV1 = 0x01;
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inline const constexpr char TigerPaddingV2 = 0x80;
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[[gnu::const]]
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consteval TigerHash tiger ( const char* parStr, uint64_t parLen, char parPad );
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} //namespace dhandy::bt
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#include "tiger_bt.inl"
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#endif
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