Method to detect IEEE overflow and underflow conditions
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United States of America Patent
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Apr 17, 2001
Grant Date -
N/A
app pub date -
Sep 4, 1998
filing date -
Sep 4, 1998
priority date (Note) -
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Abstract
A method is disclosed for detecting overflow and underflow conditions using a status register having a main status field and first and second alternate status fields. The first and second alternate status fields are set to chop and wre modes, respectively, and chop and wre results are determined for an arithmetic operation using the first and second alternate status fields. The chop and wre results are tested against test values to determine whether an overflow or underflow condition exists.
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