CPXXcallbackgetinfodbl and CPXcallbackgetinfodbl
Accesses information of type double from a generic callback.
int CPXXcallbackgetinfodbl( CPXCALLBACKCONTEXptrcontext, CPXCALLBACKINFOwhat, double*data_p )
int CPXcallbackgetinfodbl( CPXCALLBACKCONTEXptrcontext, CPXCALLBACKINFOwhat, double*data_p )
Description
From the user-written function of a generic callback, this routine queries information of type double about the solution process.
Arguments
- context
-
The callback context as passed to the callback function that performs this query.
- what
-
The information to query.
See the enumeration CPXCALLBACKINFO for documentation of possible values of this argument.
- data_p
-
A pointer the memory location where the queried information is stored.
Return
The routine returns 0 (zero) if successful and nonzero if an error occurs.