Methods and apparatus for performing fast floating point operations
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United States of America Patent
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Oct 12, 1999
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N/A
app pub date -
Apr 9, 1998
filing date -
Apr 9, 1998
priority date (Note) -
Expired
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Abstract
A format for representing floating point numbers reduces the overhead typically associated with parsing floating point numbers and thereby provides for significantly improved processing speeds, particularly for bit-serial processors. According to an exemplary single-precision embodiment, numbers are represented using a 36-bit data format. Extra bits in the representation according to the invention allow certain conditions, such as overflow/underflow and the zero-ness of a number, to be detected and asserted quickly. Other conditions, such as denormalization are subsumed into normal processing through the extension of an exponent range in the representation.
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