Floating-Point IP Cores User Guide

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ID 683750
Date 9/13/2021
Public
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9.3. ALTFP_INV_SQRT Truth Table

Table 52.  Truth Table for Inverse Square Root Operations
DATA[] SIGN BIT RESULT[] Zero Division_by_zero NaN
Normal 0 Normal 0 0 0
Normal 1 NaN 0 0 1
Denormal 0/1 Infinity 0 1 0
Zero 0/1 Infinity 0 1 0
Infinity 0/1 Zero 1 0 0
NaN X NaN 0 0 1
5 Any denormal input is treated as a zero before going through the inverse process.

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