Floating-Point IP Cores User Guide

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ID 683750
Date 9/13/2021
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5.3. ALTFP_MULT Truth Table

Table 27.  Truth Table for Multiplier Operations
DATAA[] DATAB[] RESULT[] Overflow Underflow Zero NaN
Normal Normal Normal 0 0 0 0
Normal Normal Denormal 0 1 1 0
Normal Normal Infinity 1 0 0 0
Normal Normal Zero 0 1 1 0
Normal Denormal Zero 0 0 1 0
Normal Zero Zero 0 0 1 0
Normal Infinity Infinity 1 0 0 0
Normal NaN NaN 0 0 0 1
Denormal Normal Zero 0 0 1 0
Denormal Denormal Zero 0 0 1 0
Denormal Zero Zero 0 0 1 0
Denormal Infinity NaN 0 0 0 1
Denormal NaN NaN 0 0 0 1
Zero Normal Zero 0 0 1 0
Zero Denormal Zero 0 0 1 0
Zero Zero Zero 0 0 1 0
Zero Infinity NaN 0 0 0 1
Zero NaN NaN 0 0 0 1
Infinity Normal Infinity 1 0 0 0
Infinity Denormal NaN 0 0 0 1
Infinity Zero NaN 0 0 0 1
Infinity Infinity Infinity 1 0 0 0
Infinity NaN NaN 0 0 0 1
NaN Normal NaN 0 0 0 1
NaN Denormal NaN 0 0 0 1
NaN Zero NaN 0 0 0 1
NaN Infinity NaN 0 0 0 1
NaN NaN NaN 0 0 0 1

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