Linear.Quaternion:$csinh from linear-1.19.1.3

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\[\cosh x \cdot \frac{\sin y}{y} \]
(FPCore (x y) :precision binary64 (* (cosh x) (/ (sin y) y)))
double code(double x, double y) {
	return cosh(x) * (sin(y) / y);
}

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = cosh(x) * (sin(y) / y)
end function

public static double code(double x, double y) {
	return Math.cosh(x) * (Math.sin(y) / y);
}

def code(x, y):
	return math.cosh(x) * (math.sin(y) / y)

function code(x, y)
	return Float64(cosh(x) * Float64(sin(y) / y))
end

function tmp = code(x, y)
	tmp = cosh(x) * (sin(y) / y);
end

code[x_, y_] := N[(N[Cosh[x], $MachinePrecision] * N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]

\cosh x \cdot \frac{\sin y}{y}