Altera Floating-Point Manuale Utente Pagina 70

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Precision Mantissa Width Latency (in clock cycles)
Single-extended
31
20, 36
32 20, 37
33 21, 38
34 21, 39
35 22, 40
36 22, 41
37 23, 42
38 23, 43
39 24, 44
40 24, 45
41 25, 46
42 25, 47
43 26, 48
44 26, 49
45 27, 50
46 27, 51
47 28, 52
48 28, 53
49 29, 54
50 29, 55
51 30, 56
ALTFP_SQRT Truth Table
Truth Table for Square Root Operations
DATA[] SIGN BIT RESULT[] NaN Overflow Zero
Normal 0 Normal 0 0 0
Denormal 0/1 Zero 0 0 1
Positive Infinity 0 Infinity 0 1 0
Negative Infinity 1 All 1’s 1 0 0
Positive NaN 0 All 1’s 1 0 0
Negative NaN 1 All 1’s 1 0 0
Zero 0/1 Zero 0 0 1
Normal 1 All 1’s 1 0 0
8-2
ALTFP_SQRT Truth Table
UG-01058
2014.12.19
Altera Corporation
ALTFP_SQRT
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