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package Opt18_Pkg is
pragma Pure;
type Limit_Type is record
Low : Float;
High : Float;
end record;
function First_Order_Trig return Float;
type Trig_Pair_Type is
record
Sin : Float;
Cos : Float;
end record;
function Atan2 (Trig : in Trig_Pair_Type) return Float;
function Unchecked_Trig_Pair (Sin, Cos : in Float) return Trig_Pair_Type;
function Double_Trig (Trig : in Trig_Pair_Type) return Trig_Pair_Type;
function Sqrt (X : Float) return Float;
end Opt18_Pkg;
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