3 ms·so x+0 is 0?by andi999 4y agoso x+0 is 0?ncmncm 4y agoNo. -0.0 + 0 is not necessarily bitwise-equal to 0.0. Though it arguably could be, depending on details.Sesse__ 4y ago-0.0 + x = x, even if x should be -0.0 or +0.0. +0.0 + x, on the other hand, is not always equal to x.titzer 4y agoNote that IEEE 754 defines exactly which zero you get in every combination of operands. -0 + 0 is actually 0.