INTERFACE ParseEnergyParams;
IMPORT Scan, Wr;
IMPORT MixedEnergy;

PROCEDURE Mixed(): MixedEnergy.T RAISES {Scan.BadFormat};
  (*
    Parses an energy combination from the command line parameters.
    Must be called between "ParseParams.BeginParsing" and 
    "ParseParams.EndParsing". 

    The syntax is 

    |     [ -curvEnergy <weight> ]
    |     [ -cornerEnergy <weight> ]
    |     [ -electEnergy <weight> [ -alpha <num> ] ]
    |     [ -excenEnergy <weight> ]
    |     [ -elastEnergy <weight> ]
    |     [ -patchAreaEnergy <weight> [ -nPatches <n> ] [ -area <num> ] ]

    If no terms are specified returns NIL. *)

PROCEDURE PrintHelp(wr: Wr.T);
  (*
    Prints the syntax as above. *)

END ParseEnergyParams.