XKTR_PARAM_XTOL
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     Description
     | 
     The optimization process will terminate if the relative change in all components of the solution point estimate is less than xtol.
     | 
| 
     Type
     | 
     Double
     | 
| 
     Default value
     | 
     1.0e-15
     | 
| 
     Note
     | 
     If using the Interior/Direct or Interior/CG algorithm and the barrier parameter is still large, Knitro will first try decreasing the barrier parameter before terminating.
     | 
 
