opencv

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/*
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 * Compute the CRC32 using a parallelized folding approach with the PCLMULQDQ
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 * instruction.
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 *
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 * A white paper describing this algorithm can be found at:
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 *     doc/crc-pclmulqdq.pdf
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 *
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 * Copyright (C) 2013 Intel Corporation. All rights reserved.
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 * Copyright (C) 2016 Marian Beermann (support for initial value)
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 * Authors:
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 *     Wajdi Feghali   <wajdi.k.feghali@intel.com>
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 *     Jim Guilford    <james.guilford@intel.com>
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 *     Vinodh Gopal    <vinodh.gopal@intel.com>
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 *     Erdinc Ozturk   <erdinc.ozturk@intel.com>
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 *     Jim Kukunas     <james.t.kukunas@linux.intel.com>
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 *
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 * For conditions of distribution and use, see copyright notice in zlib.h
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 */
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#ifdef X86_PCLMULQDQ_CRC
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#define CRC32_FOLD_COPY  crc32_fold_pclmulqdq_copy
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#define CRC32_FOLD       crc32_fold_pclmulqdq
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#define CRC32_FOLD_RESET crc32_fold_pclmulqdq_reset
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#define CRC32_FOLD_FINAL crc32_fold_pclmulqdq_final
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#define CRC32            crc32_pclmulqdq
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#include "crc32_pclmulqdq_tpl.h"
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#endif
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