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Constants
The following list contains a set of constants that are used by the
Gurobi Python interface. You would refer to them using a GRB.
prefix (e.g., GRB.OPTIMAL).
# Model status codes (after call to optimize()) LOADED = 1 OPTIMAL = 2 INFEASIBLE = 3 INF_OR_UNBD = 4 UNBOUNDED = 5 CUTOFF = 6 ITERATION_LIMIT = 7 NODE_LIMIT = 8 TIME_LIMIT = 9 SOLUTION_LIMIT = 10 INTERRUPTED = 11 NUMERIC = 12 SUBOPTIMAL = 13 INPROGRESS = 14 # Basis status info BASIC = 0 NONBASIC_LOWER = -1 NONBASIC_UPPER = -2 SUPERBASIC = -3 # Constraint senses LESS_EQUAL = '<' GREATER_EQUAL = '>' EQUAL = '=' # Variable types CONTINUOUS = 'C' BINARY = 'B' INTEGER = 'I' SEMICONT = 'S' SEMIINT = 'N' # Objective sense MINIMIZE = 1 MAXIMIZE = -1 # SOS types SOS_TYPE1 = 1 SOS_TYPE2 = 2 # Numeric constants INFINITY = 1e100 UNDEFINED = 1e101 # Other constants DEFAULT_CS_PORT = 61000 # Errors ERROR_OUT_OF_MEMORY = 10001 ERROR_NULL_ARGUMENT = 10002 ERROR_INVALID_ARGUMENT = 10003 ERROR_UNKNOWN_ATTRIBUTE = 10004 ERROR_DATA_NOT_AVAILABLE = 10005 ERROR_INDEX_OUT_OF_RANGE = 10006 ERROR_UNKNOWN_PARAMETER = 10007 ERROR_VALUE_OUT_OF_RANGE = 10008 ERROR_NO_LICENSE = 10009 ERROR_SIZE_LIMIT_EXCEEDED = 10010 ERROR_CALLBACK = 10011 ERROR_FILE_READ = 10012 ERROR_FILE_WRITE = 10013 ERROR_NUMERIC = 10014 ERROR_IIS_NOT_INFEASIBLE = 10015 ERROR_NOT_FOR_MIP = 10016 ERROR_OPTIMIZATION_IN_PROGRESS = 10017 ERROR_DUPLICATES = 10018 ERROR_NODEFILE = 10019 ERROR_Q_NOT_PSD = 10020 ERROR_QCP_EQUALITY_CONSTRAINT = 10021 ERROR_NETWORK = 10022 ERROR_JOB_REJECTED = 10023 ERROR_NOT_SUPPORTED = 10024 ERROR_EXCEED_2B_NONZEROS = 10025 ERROR_INVALID_PIECEWISE_OBJ = 10026 ERROR_NOT_IN_MODEL = 20001 ERROR_FAILED_TO_CREATE_MODEL = 20002 ERROR_INTERNAL = 20003
