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powturbo
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bitpack_.h
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bitpack_.h
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/**
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Copyright (C) powturbo 2013-2014
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GPL v2 License
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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- email : powturbo [AT] gmail.com
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- github : https://github.com/powturbo
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- homepage : https://sites.google.com/site/powturbo/
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- twitter : https://twitter.com/powturbo
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bitpack_.h - "Integer Compression" bit packing
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**/
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#include <stdint.h>
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#define USE_BITPACK 64
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#if 0
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#define SRCI(__ip) __ip+=32
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#define SRC(__ip,__x) __ip[__x]
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#define SRC1(__ip,__x) __ip[__x]
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//#define SRCP( __ip)
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#else
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#define SRCI(__ip)
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#define SRC1(__ip,__x) (*(__ip/*+1*/))
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#define SRC( __ip,__x) (*__ip++)
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//#define SRCP( __ip) (__ip++)
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#endif
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#if USE_BITPACK == 64
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#include "bitpack64_.h"
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#define BITPACK32(__ip, __n, __nbits, __op, __parm) do { typeof(__ip[0]) *__ipe=(__ip)+(__n);/*((__n+31)&0xffffffe0u)*/;\
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switch(__nbits) {\
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case 0:__ip = __ipe; break;\
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case 1:do BITPACK64_1( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 2:do BITPACK64_2( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 3:do BITPACK64_3( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 4:do BITPACK64_4( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 5:do BITPACK64_5( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 6:do BITPACK64_6( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 7:do BITPACK64_7( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 8:do BITPACK64_8( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 9:do BITPACK64_9( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 10:do BITPACK64_10(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 11:do BITPACK64_11(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 12:do BITPACK64_12(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 13:do BITPACK64_13(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 14:do BITPACK64_14(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 15:do BITPACK64_15(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 16:do BITPACK64_16(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 17:do BITPACK64_17(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 18:do BITPACK64_18(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 19:do BITPACK64_19(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 20:do BITPACK64_20(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 21:do BITPACK64_21(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 22:do BITPACK64_22(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 23:do BITPACK64_23(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 24:do BITPACK64_24(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 25:do BITPACK64_25(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 26:do BITPACK64_26(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 27:do BITPACK64_27(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 28:do BITPACK64_28(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 29:do BITPACK64_29(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 30:do BITPACK64_30(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 31:do BITPACK64_31(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 32:do BITPACK64_32(__ip, __op, __parm) while(__ip < __ipe);\
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}\
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} while(0)
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#else
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#include "bitpack32_.h" // Not included in the github package
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#define BITPACK32(__ip, __n, __nbits, __op, __parm) do { typeof(__ip[0]) *__ipe=(__ip)+(__n);/*((__n+31)&0xffffffe0u)*/;\
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switch(__nbits) {\
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case 0:__ip = __ipe; break;\
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case 1:do BITPACK32_1( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 2:do BITPACK32_2( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 3:do BITPACK32_3( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 4:do BITPACK32_4( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 5:do BITPACK32_5( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 6:do BITPACK32_6( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 7:do BITPACK32_7( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 8:do BITPACK32_8( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 9:do BITPACK32_9( __ip, __op, __parm) while(__ip < __ipe); break;\
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case 10:do BITPACK32_10(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 11:do BITPACK32_11(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 12:do BITPACK32_12(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 13:do BITPACK32_13(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 14:do BITPACK32_14(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 15:do BITPACK32_15(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 16:do BITPACK32_16(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 17:do BITPACK32_17(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 18:do BITPACK32_18(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 19:do BITPACK32_19(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 20:do BITPACK32_20(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 21:do BITPACK32_21(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 22:do BITPACK32_22(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 23:do BITPACK32_23(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 24:do BITPACK32_24(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 25:do BITPACK32_25(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 26:do BITPACK32_26(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 27:do BITPACK32_27(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 28:do BITPACK32_28(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 29:do BITPACK32_29(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 30:do BITPACK32_30(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 31:do BITPACK32_31(__ip, __op, __parm) while(__ip < __ipe); break;\
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case 32:do BITPACK32_32(__ip, __op, __parm) while(__ip < __ipe);\
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}\
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} while(0)
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#endif
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