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93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
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/* config.h
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* Greg Cook, 9/Apr/2015
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*/
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/* CRC RevEng, an arbitrary-precision CRC calculator and algorithm finder
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* Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015 Gregory Cook
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*
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* This file is part of CRC RevEng.
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*
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* CRC RevEng 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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* CRC RevEng 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 CRC RevEng. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONFIG_H
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#define CONFIG_H 1
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/*****************************************
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* *
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* Start of user configuration options *
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* *
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*****************************************/
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/* A type to contain polynomial coefficient bitmaps.
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* Can be changed to 'unsigned long long' for some extended compilers.
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* Adjust BMP_C(), BMP_BIT and BMP_SUB below if this is changed.
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*/
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#define BMP_T unsigned long
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/* Creates an appropriate numeric constant for bmp_t.
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* If the underlying type is 'unsigned long long', change UL to ULL.
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*/
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#define BMP_C(n) (n##UL)
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/* Define BMPMACRO to turn the definitions of the size of a bmp_t into
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* compile-time constants. This improves efficiency but makes the code
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* platform-specific.
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*/
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/* #define BMPMACRO 1 */
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/* Some enterprise users may wish to disable the -F switch to minimise CPU
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* usage. To do this, define the macro NOFORCE.
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*/
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/* #define NOFORCE 1 */
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/* Define PRESETS to compile CRC RevEng with the preset models from the
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* CRC Catalogue. This implies BMPMACRO and so makes the code platform-
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* specific.
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*/
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#ifdef _WIN32
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#define PRESETS 1 //
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#endif
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/* Macros defining the size of a bmp_t.
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* Their values only matter if PRESETS and/or BMPMACRO are defined, in
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* which case edit the macros below to suit your architecture.
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* Otherwise, BMP_BIT and BMP_SUB will be redefined as aliases of bmpbit
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* and bmpsub, global objects initialised at run time.
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*/
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/* Size in bits of a bmp_t. Not necessarily a power of two. */
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#define BMP_BIT 32
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/* The highest power of two that is strictly less than BMP_BIT.
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* Initialises the index of a binary search for set bits in a bmp_t.
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*/
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#define BMP_SUB 16
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/*****************************************
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* *
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* End of user configuration options *
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* *
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*****************************************/
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#endif /* CONFIG_H */
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