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Altera_Forum
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12 years ago

dividing to 32bit signed integers with ieee_fixed_pkg -> error

Hello everyone, I am trying to divide two 32 bit signed integer signals (see code below). I am using the fixed point package from bishop, which invokes the lpm_divide megafunction. When compili...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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I neither realize at first sight why the numerator should exceed 64 bit length nor what's the purposed of using the fixed point package for an all integer divider. I guess it's because you are using the fixed point divider beyond the intended number range.

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The above example should just show the problem with the port width. I am using true fixed-point integer later on.