bug fix: avoid binding const to non-const reference for FunctionBasis

fdaPDE · Aug 11, 2023 · 4951622 · 4951622
1 parent 8aa4a52
commit 4951622
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fdaPDE/finite_elements/solvers/fem_solver_base.h b/fdaPDE/finite_elements/solvers/fem_solver_base.h
@@ -51,7 +51,7 @@ template <typename D, typename E, typename F> class FEMSolverBase {
     const SpMatrix<double>& R0() const { return R0_; }
     const QuadratureRule& integrator() const { return integrator_; }
     const FunctionSpace& reference_basis() const { return reference_basis; }
-    FunctionBasis& basis() const { return fe_basis_; }
+    const FunctionBasis& basis() const { return fe_basis_; }
     // flags
     bool is_init = false;   // notified true if initialization occurred with no errors
     bool success = false;   // notified true if problem solved with no errors