35 lines
2.2 KiB
C
35 lines
2.2 KiB
C
//-- eliasfano.h - "Integer Compression" Elias Fano c/c++ header ---------------------------------------------------------
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#ifdef __cplusplus
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extern "C" {
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#endif
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// compress/decompress integer array with n values to the buffer out. Return value = end of output/input buffer
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unsigned char *efanoenc32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efanoenc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out, uint64_t start);
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unsigned char *efanodec32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efanodec64( unsigned char *__restrict in, unsigned n, uint64_t *__restrict out, uint64_t start);
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unsigned char *efano1enc32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efano1enc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out, uint64_t start);
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unsigned char *efano1dec32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efano1dec64( unsigned char *__restrict in, unsigned n, uint64_t *__restrict out, uint64_t start);
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unsigned char *efanoenc128v32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efanodec128v32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efano1enc128v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efano1dec128v32(unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efanoenc256v32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efanodec256v32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efano1enc256v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efano1dec256v32(unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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#ifdef __cplusplus
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}
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#endif
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