Fix checking for zero to account for small numbers
Fix checking for zero to account for small numbers

Fix the check for zero in the display function. When comparing very small numbers the value of the epsilon should be scalled to their magnitude because for numbers less than 1 the epsilon becomes too large

Koensw/allpix-squared,Koensw/allpix-squared,Koensw/allpix-squared,Koensw/allpix-squared