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38 lines
1.4 KiB
38 lines
1.4 KiB
/*********************************************************************
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* Copyright 2018, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*********************************************************************/
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#ifndef ZODOM_H
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#define ZODOM_H
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struct NCZSlice;
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typedef struct NCZOdometer {
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int rank; /*rank */
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size64_t* start;
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size64_t* stop; /* start + (count*stride) */
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size64_t* stride;
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size64_t* len; /* for computing offset */
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size64_t* index; /* current value of the odometer*/
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struct NCZOprop {
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int stride1; /* all strides == 1 */
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int start0; /* all starts == 0 */
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// int optimized; /* stride[rank-1]==1 && start[rank-1]==0 */
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} properties;
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} NCZOdometer;
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/**************************************************/
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/* From zodom.c */
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extern NCZOdometer* nczodom_new(int rank, const size64_t*, const size64_t*, const size64_t*, const size64_t*);
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extern NCZOdometer* nczodom_fromslices(int rank, const struct NCZSlice* slices);
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extern int nczodom_more(const NCZOdometer*);
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extern void nczodom_next(NCZOdometer*);
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extern size64_t* nczodom_indices(const NCZOdometer*);
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extern size64_t nczodom_offset(const NCZOdometer*);
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extern void nczodom_reset(NCZOdometer* odom);
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extern void nczodom_free(NCZOdometer*);
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extern size64_t nczodom_avail(const NCZOdometer*);
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extern void nczodom_skipavail(NCZOdometer* odom);
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#endif /*ZODOM_H*/
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