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Static Semantics

The following attribute is defined for every floating point subtype S:

S'Digits
S'Digits denotes the requested decimal precision for the
subtype S. The value of this attribute is of the type
universal_integer. The requested decimal precision of the
base subtype of a floating point type T is defined to be the
largest value of d for which ceiling(d * log(10) /
log(T'Machine_Radix)) + 1 <= T'Model_Mantissa.
NOTES

(34) The predefined operations of a floating point type include the
assignment operation, qualification, the membership tests, and explicit
conversion to and from other numeric types. They also include the
relational operators and the following predefined arithmetic operators:
the binary and unary adding operators  and +, certain multiplying
operators, the unary operator abs, and the exponentiation operator.

(35) As for all types, objects of a floating point type have Size and
Address attributes, See section 13.3 Representation Attributes. Other attributes of floating point types
are defined in See section A.5.3 Attributes of Floating Point Types.
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