Implementation of the first derivative of the function IDEAS.Utilities.Math.Functions.spliceFunction.
function der_spliceFunction extends Modelica.Icons.Function; input Real pos; input Real neg; input Real x; input Real deltax = 1; input Real dpos; input Real dneg; input Real dx; input Real ddeltax = 0; output Real out; end der_spliceFunction;
cosh
which overflows around 800.