bugs after fixing merge conflicts

      double vtpv = 0.0;

      double previousSigma0 = 0.0;

      // Set up formatting for status updates with doubles (e.g. Sigma0, Elapsed Time)

      int fieldWidth = 20;

      char format = 'f';

      int precision = 10;

      // start the clock

      clock_t solveStartClock = clock();

        // (also called variance of unit weight, reference variance, variance factor, etc.)

        m_bundleResults.computeSigma0(vtpv, m_bundleSettings->convergenceCriteria());

        // Set up formatting for status updates with doubles (e.g. Sigma0, Elapsed Time)

        int fieldWidth = 20;

        char format = 'f';

        int precision = 10;

        emit statusUpdate(QString("Iteration: %1 \n")

                                  .arg(m_iteration));

        emit statusUpdate(QString("Sigma0: %1 \n")