[ET Trac] [Einstein Toolkit] #1077: evaluate steered value as formula in AEIThorns::Trigger

#1077: evaluate steered value as formula in AEIThorns::Trigger -------------------------------+-------------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Other | Version: Keywords: AEIThorn::Trigger | -------------------------------+-------------------------------------------- the attached patch adds functionality to Trigger to use a formula (same syntax as parameters in parameter files) instead of a constant value for its steered values. It supports both grid scalars and parameters as variables. I also include an updated test suite to test the functionality.