A postprocessor for collecting the elemental min or max value.
const VariableValue & _proxy_variable
A proxy variable used to find the quadrature point at which to evaluate the variable.
virtual void computeQpValue() override
This is what derived classes should override to do something on every quadrature point on every eleme...
virtual std::pair< Real, Real > getProxyValuePair() override
static InputParameters validParams()