Method commit

SRC/analysis/integrator/HHTHSFixedNumIter.cpp:493–538

int HHTHSFixedNumIter::commit(void)
{
    AnalysisModel *theModel = this->getAnalysisModel();
    if (theModel == 0)  {
        opserr << "WARNING HHTHSFixedNumIter::commit() - no AnalysisModel set\n";
        return -1;
    }
    
    if (updDomFlag == true)  {
        LinearSOE *theSOE = this->getLinearSOE();
        if (theSOE == 0)  {
            opserr << "WARNING HHTHSFixedNumIter::commit() - no LinearSOE set\n";
            return -2;
        }
        
        if (this->formTangent(statusFlag) < 0)  {
            opserr << "WARNING HHTHSFixedNumIter::commit() - "
                << "the Integrator failed in formTangent()\n";
            return -3;
        }
        
        if (theSOE->solve() < 0)  {
            opserr << "WARNING HHTHSFixedNumIter::commit() - "
                << "the LinearSysOfEqn failed in solve()\n";
            return -4;
        }
        const Vector &deltaU = theSOE->getX();
        
        //  determine the response at t+deltaT
        U->addVector(1.0, deltaU, c1);
        
        Udot->addVector(1.0, deltaU, c2);
        
        Udotdot->addVector(1.0, deltaU, c3);
    }
    
    // update the response at the DOFs
    theModel->setResponse(*U, *Udot, *Udotdot);
    
    // set the time to be t+deltaT
    double time = theModel->getCurrentDomainTime();
    time += (1.0-alphaF)*deltaT;
    theModel->setCurrentDomainTime(time);
    
    return theModel->commitDomain();
}

const Vector &
HHTHSFixedNumIter::getVel()