Fairly certain it was GCC. I managed to find a workaround that did seem to work for ‘isnan’, something along the lines of: !(int(f <= 0.0f) + int(f > 0.0f)) Wh

Fairly certain it was GCC. I managed to find a workaround that did seem to work for ‘isnan’, something along the lines of: !(int(f <= 0.0f) + int(f > 0.0f)) Which only works out to true when f is neither <= 0 or > 0.