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GRBgetintattrarray


GRBgetintattrarray

int GRBgetintattrarray ( GRBmodel *model,
    const char *attrname,
    int start,
    int len,
    int *values )

Query the values of an integer-valued array attribute.

Return value:

A non-zero return value indicates that a problem occurred while querying the attribute. Refer to the Error Code table for a list of possible return values. Details on the error can be obtained by calling GRBgeterrormsg.

Arguments:

model: A loaded optimization model, typically created by routine GRBnewmodel or GRBreadmodel.

attrname: The name of an integer-valued array attribute. Available attributes are listed and described in the Attributes section of this document.

start: The index of the first entry in the array to retrieve.

len: The number of array entries to retrieve.

values: A pointer to the location where the array attribute should be returned. Note that the result array must be as long as the requested sub-array.

Example usage:

  int cbasis[NUMCONSTRS];
  error = GRBgetintattrarray(model, "CBasis", 0, NUMCONSTRS, cbasis);