Method and apparatus to detect a floating point mantissa of all

Details Method and apparatus to detect a floating point mantissa of all Method and apparatus to detect a floating point mantissa of all

1998-05-05

2000-08-22

Pan, Daniel H.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708530, 708211, 704213, 704224, G06F 501, G06F 1108

Patent

active

061086789

ABSTRACT:
A method to detect a normalized data field of all zeros or all ones includes receiving a control field and a data field, dividing the data field into segments, and performing detections on each segment. Each segment undergoes all zeros detection, all ones detection, modified zeros detection, and modified ones detection. The modified zeros detection and modified ones detection are both done based on the control field. Each detection for each segment generates a response. Then, a pair of the four responses, or a clear responses signal, is selected for each of the segments based on the control field. From the selected responses, the method determines if the normalized data field is all zeros or all ones.

REFERENCES:
patent: 5241490 (1993-08-01), Poon
patent: 5561619 (1996-10-01), Watanabe et al.
patent: 5566079 (1996-10-01), Jun et al.

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