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Type: double
Modifiable: No

Current relative MIP optimality gap; computed as <span>$</span>\vert ObjBound-ObjVal\vert/\vert ObjVal\vert<span>$</span> (where <span>$</span>ObjBound<span>$</span> and <span>$</span>ObjVal<span>$</span> are the MIP objective bound and incumbent solution objective, respectively. Returns GRB_INFINITY when an incumbent solution has not yet been found, when no objective bound is available, or when the current incumbent objective is 0.

For examples of how to query or modify attributes, refer to our Attribute Examples.

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