Texas Instruments TMS320C3x - Manual (Page 141)

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)