Yields the radix of the hardware 
representation of the type 
T. The value of this attribute is of 
the type 
universal_integer.
 
Yields the value True if rounding 
is performed on inexact results of every predefined operation that yields 
a result of the type 
T; yields the value False otherwise. The 
value of this attribute is of the predefined type Boolean.
 
Yields the value True if overflow 
and divide-by-zero are detected and reported by raising Constraint_Error 
for every predefined operation that yields a result of the type 
T; 
yields the value False otherwise. The value of this attribute is of the 
predefined type Boolean.