# Documentation

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### GRBgetdblparam

 int GRBgetdblparam ( GRBenv *env, const char *paramname, double *valueP )

Retrieve the value of a double-valued parameter.

Return value:

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

Arguments:

env: The environment whose parameter value is being queried.

paramname: The name of the parameter. Please consult the parameter section for a complete list of Gurobi parameters, including descriptions of their purposes and their minimum, maximum, and default values.

valueP: The location in which the current value of the requested parameter should be placed.

Example usage:

  double cutoff;
error = GRBgetdblparam(GRBgetenv(model), "Cutoff", &cutoff);