File mtt/bin/trans/m/cause2index.m artifact d105a576d5 part of check-in 7a7022c729


function index = cause2index (causality)

  ## usage:  index = cause2index (causality)
  ##
  ## 

  if isstr(causality)
    if strcmp(causality,"effort")
      index = 1;
    elseif strcmp(causality,"flow")
      index = 2;
    elseif strcmp(causality,"state")
      index = 3
    else
      error(sprintf("Causality ""%s"" not recognised",causality));
    endif
    
  else
    if causality==1
      index = 1;
    elseif causality==-1
      index = 2;
    else
      error(sprintf("Causality ""%i"" not recognised",causality));
    endif
  endif

endfunction

MTT: Model Transformation Tools
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