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what is -1.#IND? We are writing a vhdl code. We dont understand what it means

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Anwesa Roy

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We are writing a code in vhdl code. yr22 and yi22 are signals. We are not getting what -1.#IND means.
ind.png
 

I think #IND means indeterminate.
What simulator are you using?
 

It is the result of an illegal floating point operation such as divide by zero, square root of a negative number, or similar.
The code that gets this value is not synthesizeable.
 
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