Expression 1, p15

Specification

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\[\left(\left(\left(\left(\left(\left(\left(\left(1 \leq a \land a \leq 2\right) \land 2 \leq b\right) \land b \leq 4\right) \land 4 \leq c\right) \land c \leq 8\right) \land 8 \leq d\right) \land d \leq 16\right) \land 16 \leq e\right) \land e \leq 32\]
\[\begin{array}{l} \\ \left(\left(\left(e + d\right) + c\right) + b\right) + a \end{array} \]
(FPCore (a b c d e) :precision binary64 (+ (+ (+ (+ e d) c) b) a))
double code(double a, double b, double c, double d, double e) {
	return (((e + d) + c) + b) + a;
}
real(8) function code(a, b, c, d, e)
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8), intent (in) :: d
    real(8), intent (in) :: e
    code = (((e + d) + c) + b) + a
end function
public static double code(double a, double b, double c, double d, double e) {
	return (((e + d) + c) + b) + a;
}
def code(a, b, c, d, e):
	return (((e + d) + c) + b) + a
function code(a, b, c, d, e)
	return Float64(Float64(Float64(Float64(e + d) + c) + b) + a)
end
function tmp = code(a, b, c, d, e)
	tmp = (((e + d) + c) + b) + a;
end
code[a_, b_, c_, d_, e_] := N[(N[(N[(N[(e + d), $MachinePrecision] + c), $MachinePrecision] + b), $MachinePrecision] + a), $MachinePrecision]
\begin{array}{l}

\\
\left(\left(\left(e + d\right) + c\right) + b\right) + a
\end{array}

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