Floating vs. fixed point processors, Fixed point arithmetic, Floating point arithmetic – Vodafone SS 08 User Manual
Page 36: Using signed and unsigned integers
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TU Dresden, 4/29/2008
Slide 36
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Floating vs. Fixed point processors
Fixed point arithmetic
16-bit (integer or fractional)
Signed or unsigned
Floating point arithmetic
32-bit single precision
64-bit single precision
Using signed and unsigned integers:
Multiplication overflow.
Addition overflow
Î
Saturate the result
Î
Double precision result
Î
Fractional arithmetic
e.g. If A and B are fractional then: A x B < min(A, B)
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