Forum Discussion

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

FP Custom Instructions - exp() won't get any faster

Hi everybody. I'm working on a design using Nios II/f that heavily relies on floating point math. In Qsys I addedd Floating Point Hardware and I connected it to the Custom Instruction Master of ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I suspect that exp() is using double, not float. Try expf() instead.

You'll need to make sure the library code is built with the correct compiler options.