// Tests the fit macro code returned by Fit.getEquation().
// For each fit type, it writes two numbers: the result of 
// evaluating the macro code and the value returned by Fit.f().
// Requires ImageJ 1.52v or later.

xpoints=newArray(1,2,3,4,5,6,7,8,9);
ypoints=newArray(1.1,2.2,3.4,4.7,6,7.5,9,10,8);

for (t=0; t<Fit.nEquations; t++) {
  Fit.getEquation(t, name, formula, macroCode);
  print(name);
  Fit.doFit(t, xpoints, ypoints);
  x=8.444;
  y=Fit.f(x);
  mac="";
  for (p=0; p<Fit.nParams; p++)
     mac = mac + fromCharCode(97+p)+"="+d2s(Fit.p(p),-9)+";";
  mac = mac + "x="+x+";";
  mac = mac + macroCode+";print('  '+y);";
  print("  "+mac);
  eval(mac);
  print("  "+y);
}