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GRBgetintattr
| int | GRBgetintattr ( | GRBmodel | *model, |
| const char | *attrname, | ||
| int | *valueP ) |
Query the value of an integer-valued model 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 model attribute. Available attributes are listed and described in the Attributes section of this document.
valueP: The location in which the current value of the requested attribute should be placed.
Important note:
Note that this method should be used for scalar attributes only (i.e., model attributes). To query a single element of an array attribute, use GRBgetintattrelement instead.
Example usage:
error = GRBgetintattr(model, "NumBinVars", &numbin);
