Method addCtoTang

DEVELOPER/core/DOF_Group.cpp:366–379

void  
DOF_Group::addCtoTang(double fact)
{
    if (myNode != 0) {
	if (tangent->addMatrix(1.0, myNode->getDamp(), fact) < 0) {
	    opserr << "DOF_Group::addMtoTang(void) ";
	    opserr << " invoking addMatrix() on the tangent failed\n";	    
	}
    }
    else {
	opserr << "DOF_Group::addMtoTang(void) - no Node associated";
	opserr << " subclass should provide the method \n";	    
    }	
}