UI-ImGui: fix array issues in HamiltonianWidget.

Author: GPMueller

ui-cpp/ui-imgui/include/hamiltonian_widget.hpp

@@ -41,8 +41,8 @@ struct HamiltonianWidget
     std::vector<float> exchange;
 
     int exchange_n_pairs;
-    std::vector<int[2]> exchange_indices;
-    std::vector<int[3]> exchange_translations;
+    std::vector<std::array<int, 2>> exchange_indices;
+    std::vector<std::array<int, 3>> exchange_translations;
     std::vector<float> exchange_magnitudes;
 
     bool dmi_active;
@@ -51,10 +51,10 @@ struct HamiltonianWidget
     std::vector<float> dmi;
 
     int dmi_n_pairs;
-    std::vector<int[2]> dmi_indices;
-    std::vector<int[3]> dmi_translations;
+    std::vector<std::array<int, 2>> dmi_indices;
+    std::vector<std::array<int, 3>> dmi_translations;
     std::vector<float> dmi_magnitudes;
-    std::vector<float[3]> dmi_normals;
+    std::vector<std::array<float, 3>> dmi_normals;
 
     bool ddi_active;
     int ddi_method;

ui-cpp/ui-imgui/src/hamiltonian_widget.cpp

@@ -509,11 +509,12 @@ void HamiltonianWidget::update_data_heisenberg()
 
     // Exchange interaction (pairs)
     exchange_n_pairs      = Hamiltonian_Get_Exchange_N_Pairs( state.get() );
-    exchange_indices      = std::vector<int[2]>( exchange_n_pairs );
-    exchange_translations = std::vector<int[3]>( exchange_n_pairs );
+    exchange_indices      = std::vector<std::array<int, 2>>( exchange_n_pairs );
+    exchange_translations = std::vector<std::array<int, 3>>( exchange_n_pairs );
     exchange_magnitudes   = std::vector<float>( exchange_n_pairs, 0 );
     Hamiltonian_Get_Exchange_Pairs(
-        state.get(), exchange_indices.data(), exchange_translations.data(), exchange_magnitudes.data() );
+        state.get(), (int( * )[2])exchange_indices[0].data(), (int( * )[3])exchange_translations.data(),
+        exchange_magnitudes.data() );
 
     // DMI (shells)
     dmi.resize( 100 );
@@ -523,12 +524,13 @@ void HamiltonianWidget::update_data_heisenberg()
 
     // DMI (pairs)
     dmi_n_pairs      = Hamiltonian_Get_DMI_N_Pairs( state.get() );
-    dmi_indices      = std::vector<int[2]>( dmi_n_pairs );
-    dmi_translations = std::vector<int[3]>( dmi_n_pairs );
+    dmi_indices      = std::vector<std::array<int, 2>>( dmi_n_pairs );
+    dmi_translations = std::vector<std::array<int, 3>>( dmi_n_pairs );
     dmi_magnitudes   = std::vector<float>( dmi_n_pairs, 0 );
-    dmi_normals      = std::vector<float[3]>( dmi_n_pairs );
+    dmi_normals      = std::vector<std::array<float, 3>>( dmi_n_pairs );
     // Hamiltonian_Get_DMI_Pairs(
-    //     state.get(), dmi_indices.data(), dmi_translations.data(), dmi_magnitudes.data() );
+    //     state.get(), (int( * )[2])dmi_indices.data(), (int( * )[3])dmi_translations.data(), dmi_magnitudes.data(),
+    //     (float( * )[3])dmi_normals );
 
     // DDI
     Hamiltonian_Get_DDI(