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A std_logic_vector can be assigned to an sfixed signal by a conversion function, if it represents a fixed point number. But what do you mean with
work correctly? If e.g. an overflow has occured in a LPM module, that don't provide saturation, it can't be recognized from the bit_vector. So the question is mainly, if the LPM module works correctly.
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What I meant to ask is will the operations (multiply, add, etc) that a LPM/MegaFunction uses will give the correct results given an ufixed, or sfixed? Or just including the libraries will automatically use those functions for the fixed point types?
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