5 ms·Exactly what are the rules for the "special comparison" in APL? That sounds horrifying to me.by Athas 7y agoExactly what are the rules for the "special comparison" in APL? That sounds horrifying to me.lelf 7y agoAssume the values could be equal if the relative error of the operation is greater than a small predefined value (called “⎕ct”, comparison tolerance, and you can change it).enriquto 7y agobut this is not an equivalence relation. You may have a=b and b=c but a!=c it's horrifying!