
Floating-Point Addition and Subtraction
5-36
Example 5–16. Floating-Point Addition/Subtraction With Floating-Point 0
When floating-point addition and subtraction are performed with a floating-
point 0, the following identities are satisfied:
α ± 0=α (α ≠ 0)
0 ± 0=0
0–α =–α (α ≠ 0)