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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).
# Status codes 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 USER_OBJ_LIMIT = 15 # Batch status codes BATCH_CREATED = 1 BATCH_SUBMITTED = 2 BATCH_ABORTED = 3 BATCH_FAILED = 4 BATCH_COMPLETED = 5 # Version number VERSION_MAJOR = 9 VERSION_MINOR = 0 VERSION_TECHNICAL = 1 # Basis status 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 # General constraint types GENCONSTR_MAX = 0 GENCONSTR_MIN = 1 GENCONSTR_ABS = 2 GENCONSTR_AND = 3 GENCONSTR_OR = 4 GENCONSTR_INDICATOR = 5 GENCONSTR_PWL = 6 GENCONSTR_POLY = 7 GENCONSTR_EXP = 8 GENCONSTR_EXPA = 9 GENCONSTR_LOG = 10 GENCONSTR_LOGA = 11 GENCONSTR_POW = 12 GENCONSTR_SIN = 13 GENCONSTR_COS = 14 GENCONSTR_TAN = 15 # Numeric constants INFINITY = 1e100 UNDEFINED = 1e101 MAXINT = 2000000000 # Limits MAX_NAMELEN = 255 MAX_STRLEN = 512 MAX_TAGLEN = 10240 MAX_CONCURRENT = 64 # 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_UPDATEMODE_CHANGE = 10027 ERROR_CLOUD = 10028 ERROR_MODEL_MODIFICATION = 10029 ERROR_CSWORKER = 10030 ERROR_TUNE_MODEL_TYPES = 10031 ERROR_SECURITY = 10032 ERROR_NOT_IN_MODEL = 20001 ERROR_FAILED_TO_CREATE_MODEL = 20002 ERROR_INTERNAL = 20003
