Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Floating point divider - compilation error

I'm trying to use the Mega Wizard Floating Point Divider Code in my project. The Quartos compilation was passed successfully, but it's failed in the Model Sim one. At the end of compilation there is ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

The Float_pkg (actually the part of the VHDL2008 standard, the David Bishop version you refer to is a 93 compatible version) has no pipelining and is therefore not suitable for implementable designs.

You need the ALTFP_CONVERT block from the megawizard (or instantiate it yourself) as several clock cycles are needed to convert from integer to floating point.