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user_prepare_to_check_cuts

int user_prepare_to_check_cuts(void *user, int varnum, int *indices, 
                               double *values)

Description:

This function is invoked after an LP solution is received but before any cuts are tested. Here the user can build up data structures (e.g., a graph representation of the solution) that can make the testing of cuts easier in the user_check_cuts function.

Arguments:

void *user	IN	Pointer to the user-defined data structure.
int varnum	IN	The number of nonzero/fractional variables described in indices and values.
int *indices	IN	The user indices of the nonzero/fractional variables.
double *values	IN	The nonzero/fractional values.

Return values:

ERROR	Cuts are not checked for this LP solution.
USER_NO_PP	The user is prepared to check cuts.

Invoked from:

Whenever an LP solution is received.