> Continuous Optimization > Solving LPs: Barrier Optimizer > Controlling Crossover

The nature of the crossover step that follows barrier is controlled by the parameter BarCrossAlg. Under the default Automatic setting, an appropriate crossover step will be invoked. Possible settings for the parameter appear in Table 9.3.

Table 9.3 BarCrossAlg Parameter Settings
BarCrossAlg Values 
Meaning 
-1 
no crossover 
automatic (default) 
primal crossover 
dual crossover