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TurboPFor: Elias fano

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2023-03-10 20:28:31 +01:00
parent ba3a8f309f
commit d5d53edb68
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include_/eliasfano.h Normal file
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//-- eliasfano.h - "Integer Compression" Elias Fano c/c++ header ---------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
// compress/decompress integer array with n values to the buffer out. Return value = end of output/input buffer
unsigned char *efanoenc32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
unsigned char *efanoenc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out, uint64_t start);
unsigned char *efanodec32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
unsigned char *efanodec64( unsigned char *__restrict in, unsigned n, uint64_t *__restrict out, uint64_t start);
unsigned char *efano1enc32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
unsigned char *efano1enc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out, uint64_t start);
unsigned char *efano1dec32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
unsigned char *efano1dec64( unsigned char *__restrict in, unsigned n, uint64_t *__restrict out, uint64_t start);
unsigned char *efanoenc128v32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
unsigned char *efanodec128v32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
unsigned char *efano1enc128v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
unsigned char *efano1dec128v32(unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
unsigned char *efanoenc256v32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
unsigned char *efanodec256v32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
unsigned char *efano1enc256v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
unsigned char *efano1dec256v32(unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
#ifdef __cplusplus
}
#endif