Sorter for sorting data based on a plurality of reference value

Details Sorter for sorting data based on a plurality of reference value Sorter for sorting data based on a plurality of reference value

1992-11-18

1995-11-07

Lim, Krisna

Boots, shoes, and leggings

395600, 364DIG2, 3649623, 3642229, G06F 706, G06F 716

Patent

active

054653711

ABSTRACT:
In a sorter, reference value data are divided into data of upper and lower digits. The reference value data of the upper digit are sorted by a high sorting processing circuit and are written to a distribution counting memory. A clipping controller judges whether the reference value data of the upper digit written to the distribution counting memory should be clipped or not. No reference value data of the lower digit are sorted with respect to the clipped reference value data of the upper digit. A low sorting processing circuit sorts the reference value data of the lower digit with respect to the unclipped reference value data of the upper digit. This sorter can perform sorting processing at a high speed by a simplified structure when three-dimensional clipping processing is performed. The sorter comprises a data number generator for generating a data number corresponding to each of the reference value data, reference value data memory regions for upper and lower digits, counting start and end regions for upper and lower digits, and pointer regions for upper and lower digits.

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Dale et al; "Pascal Plus Data Structure"; D. C. Heath and Company pp. 194-199, 428-449.

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