1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
5 \\ / A nd | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
28 Optimized hashing functions.
33 \*---------------------------------------------------------------------------*/
41 #include <stdint.h> // C++0x uses <cstdint>
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
48 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
50 //- An optimized version of Hasher
51 // @param[in] data - an array of uint32_t values
52 // @param[in] len - the number of values (not bytes)
53 // @param[in] seed - the previous hash, or an arbitrary value
54 unsigned HasherInt(const uint32_t*, size_t length, unsigned seed = 0);
56 //- An optimized version of Hasher, returning dual hash values
57 // @param[in] data - an array of uint32_t values
58 // @param[in] len - the number of values (not bytes)
59 // @param[in] hash1 - the previous hash, or an arbitrary value
60 // on output, the primary hash value
61 // @param[in] hash1 - the previous hash, or an arbitrary value
62 // on output, the secondary hash value
71 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
73 } // End namespace Foam
75 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
79 // ************************************************************************* //