voigt errors

I frequently get errors using the new voigt parameter with ISIS 1.4.8.  I can't
tell what the problem is from the error output.  It seems related to the
parameters I set before calling fit_counts, though.

Thanks,
Rob


isis> list_par;
poly5aScale(1) + voigt(1)
 idx  param              tie-to  freeze         value         min         max
  1  poly5aScale(1).a0       0     1    -6.682142e+28     -1e+100      1e+100
  2  poly5aScale(1).a1d1e1   0     1     2.238173e+27     -1e+100      1e+100
  3  poly5aScale(1).a2d1e2   0     1      0.003270774     -1e+100      1e+100
  4  poly5aScale(1).a3d1e3   0     1                0     -1e+100      1e+100
  5  poly5aScale(1).a4d1e4   0     1                0     -1e+100      1e+100
  6  poly5aScale(1).a5d1e5   0     1                0     -1e+100      1e+100
  7  poly5aScale(1).scale    0     1                1           0           0
  8  voigt(1).norm           0     0     3.834939e+31     -1e+100      1e+100 
photons/s/cm^2
  9  voigt(1).energy         0     0      0.007998968     -1e+100      1e+100 
keV
 10  voigt(1).fwhm           0     0            0.001     -1e+100      1e+100 
keV
 11  voigt(1).vtherm         0     0             4000     -1e+100      1e+100 
km/s

isis> fit_counts();

... stuff happens...
statistic: 6.063471e+02 p[0]=1.242990e+32       p[1]=7.998968e-03      
p[2]=1.000000e-03       p[3]=9.420166e+01
statistic: 6.063471e+02 p[0]=1.242990e+32       p[1]=7.998968e-03      
p[2]=1.000000e-03       p[3]=9.420166e+01
subplex[245]:  succeeded
 Parameters[Variable] = 11[4]
            Data bins = 100
           Chi-square = 706.2502
   Reduced chi-square = 7.356772
Error: function evaluation failed
***string***:1:voigt:Isis Error
Struct_Type with 3 fields
100
4
706.25
0
isis> get_fit_method;
subplex;tol=1.e-5;scale_factor=0.1;maxnfe=2000

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