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TU Dresden, 4/29/2008 Slide 36
chair
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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