C++ (Cpp) VectorF::dot Examples

Example #1

File: LinearTetrahedronIntegrator.cpp Project: luozhipi/PyMesh

Float LinearTetrahedronIntegrator::integrate_grad_C(size_t elem_idx,
        size_t local_func_i, size_t local_func_j, const MatrixF& C) {
    const Vector4F coord(1.0/4.0, 1.0/4.0, 1.0/4.0, 1.0/4.0);
    const VectorF grad_i = m_shape_func->evaluate_grad(
            elem_idx, local_func_i, coord);
    const VectorF grad_j = m_shape_func->evaluate_grad(
            elem_idx, local_func_j, coord);
    const Float vol = m_mesh->getElementVolume(elem_idx);
    return grad_i.dot(C * grad_j) * vol;
}