- m_BoundingPlane[j][0] = A/vcl_sqrt(A*A + B*B + C*C);
- m_BoundingPlane[j][1] = B/vcl_sqrt(A*A + B*B + C*C);
- m_BoundingPlane[j][2] = C/vcl_sqrt(A*A + B*B + C*C);
- m_BoundingPlane[j][3] = D/vcl_sqrt(A*A + B*B + C*C);
+ m_BoundingPlane[j][0] = A/std::sqrt(A*A + B*B + C*C);
+ m_BoundingPlane[j][1] = B/std::sqrt(A*A + B*B + C*C);
+ m_BoundingPlane[j][2] = C/std::sqrt(A*A + B*B + C*C);
+ m_BoundingPlane[j][3] = D/std::sqrt(A*A + B*B + C*C);