root [8] trico.DoFit();
 **********
 **    1 **SET ERR           1
 **********
 PARAMETER DEFINITIONS:
    NO.   NAME         VALUE      STEP SIZE      LIMITS
     1 P1           3.00000e-01  1.00000e-03     no limits
     2 P2          -9.00000e-01  1.00000e-03     no limits
 **********
 **    2 **MIGRAD         500           1
 **********
 FIRST CALL TO USER FUNCTION AT NEW START POINT, WITH IFLAG=4.
inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.8763; read data: 24103.20045
-5.19955; read data: 622481.327
-35.673; read data: 411732.645
-17.155; read data: 451729.345
-16.855; -- chisqr= 3389.35 --***--  START MIGRAD MINIMIZATION.  STRATEGY  1.  CONVERGENCE WHEN EDM .LT. 1.00e-03
inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.894; read data: 24103.20045
-5.20239; read data: 622481.327
-35.6894; read data: 411732.645
-17.1632; read data: 451729.345
-16.8632; -- chisqr= 3392.49 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.8585; read data: 24103.20045
-5.1967; read data: 622481.327
-35.6566; read data: 411732.645
-17.1468; read data: 451729.345
-16.8468; -- chisqr= 3386.21 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.8781; read data: 24103.20045
-5.20023; read data: 622481.327
-35.6748; read data: 411732.645
-17.1562; read data: 451729.345
-16.8563; -- chisqr= 3389.71 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.8744; read data: 24103.20045
-5.19886; read data: 622481.327
-35.6713; read data: 411732.645
-17.1538; read data: 451729.345
-16.8537; -- chisqr= 3388.99 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.8929; read data: 24103.20045
-5.20569; read data: 622481.327
-35.6889; read data: 411732.645
-17.1655; read data: 451729.345
-16.8665; -- chisqr= 3392.59 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-38.8596; read data: 24103.20045
-5.19341; read data: 622481.327
-35.6572; read data: 411732.645
-17.1445; read data: 451729.345
-16.8435; -- chisqr= 3386.11 --***--  FCN=3389.35 FROM MIGRAD    STATUS=INITIATE        6 CALLS           7 TOTAL
                     EDM= unknown      STRATEGY= 1      NO ERROR MATRIX       
  EXT PARAMETER               CURRENT GUESS       STEP         FIRST   
  NO.   NAME      VALUE            ERROR          SIZE      DERIVATIVE 
   1  P1           3.00000e-01   1.00000e-03   1.00000e-03   1.10388e+05
   2  P2          -9.00000e-01   1.00000e-03   1.00000e-03   1.26506e+04
inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
32.7651; read data: 24103.20045
13.228; read data: 622481.327
31.4251; read data: 411732.645
21.5767; read data: 451729.345
23.9252; -- chisqr= 3274.04 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.74118; read data: 24103.20045
4.09511; read data: 622481.327
-1.8295; read data: 411732.645
2.38083; read data: 451729.345
3.71408; -- chisqr= 47.0938 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.74341; read data: 24103.20045
4.09475; read data: 622481.327
-1.83156; read data: 411732.645
2.3798; read data: 451729.345
3.71305; -- chisqr= 47.0981 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.73894; read data: 24103.20045
4.09547; read data: 622481.327
-1.82744; read data: 411732.645
2.38186; read data: 451729.345
3.71511; -- chisqr= 47.0896 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.74316; read data: 24103.20045
4.09438; read data: 622481.327
-1.83139; read data: 411732.645
2.37958; read data: 451729.345
3.71271; -- chisqr= 47.0895 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.7392; read data: 24103.20045
4.09584; read data: 622481.327
-1.82761; read data: 411732.645
2.38208; read data: 451729.345
3.71545; -- chisqr= 47.0982 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.69413; read data: 24103.20045
4.02485; read data: 622481.327
-1.79813; read data: 411732.645
2.33999; read data: 451729.345
3.65036; -- chisqr= 45.4917 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.50594; read data: 24103.20045
3.7438; read data: 622481.327
-1.67265; read data: 411732.645
2.17662; read data: 451729.345
3.39547; -- chisqr= 39.3605 --***-- inside MyFit::fcn()
MyFit::fcn() - fndata: 5
read data: 652590.1237
-2.03548; read data: 24103.20045