abstract class $SIGNED{NTP < $NFE{NTP}}
Descendants
$COMPLEX{_,_}
CPXD
CPX
$RATIONAL{_}
RAT
$REAL{_}
FLT
FLTD
INTI
MONEY
$INTEGER{_}
INT
Public
Features
is_neg : BOOL ;
negatable : BOOL ;
negate : NTP ;
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