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What is the bias for single precision? Double precision? How is the bias chosen?
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asked
Sep 25
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by
iskralawrence
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744k
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What is the bias for single precision? Double precision?
How is the bias chosen?
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1
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answered
Sep 25
by
iskralawrence
(
744k
points)
Best answer
127
1023
It's chosen by how many bits are available for the exponent. The formula is 2^(n-1). Single precision has 8 bits available for exponent (hence 127) and double has 11 (hence 1023).
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