Initializing help system before first use

PREPROTECTDUAL

Description
Presolve: specifies whether the presolver should protect a given dual solution by maintaining the same level of dual feasibility. Enabling this control often results in a worse presolved model. This control only expected to be optionally enabled before calling XPRScrossoverlpsol.
Type
Integer
Values
0 
Disabled.
1 
Enabled. Protect the dual solution during presolve.
Default value
0
Affects routines