X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Fsorter%2Fcommon.h;h=f3ff562a54c0411e0e41c11c195da837d7f70555;hb=1f05348cde42852d77da3457b96a33dff1600ca4;hp=70e10c08f84a620dc19a4c6d10e9fff9b226d8b8;hpb=ff6fce257ce09477b27d9cd9e624ce0692e536b1;p=libucw.git diff --git a/lib/sorter/common.h b/lib/sorter/common.h index 70e10c08..f3ff562a 100644 --- a/lib/sorter/common.h +++ b/lib/sorter/common.h @@ -28,6 +28,8 @@ enum sort_debug { SORT_DEBUG_KEEP_BUCKETS = 4, SORT_DEBUG_NO_RADIX = 8, SORT_DEBUG_NO_MULTIWAY = 16, + SORT_DEBUG_ASORT_NO_RADIX = 32, + SORT_DEBUG_ASORT_NO_THREADS = 64 }; struct sort_bucket; @@ -114,4 +116,21 @@ struct fastbuf *sbuck_read(struct sort_bucket *b); struct fastbuf *sbuck_write(struct sort_bucket *b); void sbuck_swap_out(struct sort_bucket *b); +/* Contexts and helper functions for the array sorter */ + +struct asort_context { + void *array; // Array to sort + void *buffer; // Auxiliary buffer (required when radix-sorting) + uns num_elts; // Number of elements in the array + uns elt_size; // Bytes per element + uns hash_bits; // Remaining bits of hash function + uns radix_bits; // How many bits to process in a single radix-sort pass + void (*quicksort)(void *array_ptr, uns num_elts); + void (*quicksplit)(void *array_ptr, uns num_elts, uns *leftp, uns *rightp); + void (*radix_count)(void *src_ptr, uns num_elts, uns *cnt, uns shift); + void (*radix_split)(void *src_ptr, void *dest_ptr, uns num_elts, uns *ptrs, uns shift); +}; + +void asort_run(struct asort_context *ctx); + #endif