WIP: Resolve "Complete state vector new data structure?"

Closes #287 (closed)

Continues in !358 (closed)

src/state_block/state_composite.cpp

@@ -69,15 +69,18 @@ wolf::MatrixComposite MatrixComposite::operator *(const MatrixComposite &_N) con
     {
         const auto &i = pair_i_Mi.first;
         const auto &Mi = pair_i_Mi.second;
+
         for (const auto &pair_k_Nk : _N.matrix_composite_)
         {
             const auto &k = pair_k_Nk.first;
             const auto &Nk = pair_k_Nk.second;
+
             for (const auto &pair_j_Nkj : Nk)
             {
                 const auto &j = pair_j_Nkj.first;
                 const auto &Nkj = pair_j_Nkj.second;
                 const auto &Mik = Mi.at(k);
+
                 if (MN.count(i, j) == 0)
                     MN.emplace(i, j, Mik * Nkj);
                 else
@@ -94,11 +97,13 @@ wolf::StateComposite MatrixComposite::operator *(const StateComposite &_x) const
     for (const auto &pair_rkey_row : matrix_composite_)
     {
         const auto &rkey = pair_rkey_row.first;
-        const auto &row = pair_rkey_row.second;
+        const auto &row  = pair_rkey_row.second;
+
         for (const auto &pair_ckey_mat : row)
         {
-            const auto &ckey = pair_ckey_mat.first;
+            const auto &ckey  = pair_ckey_mat.first;
             const auto &J_r_c = pair_ckey_mat.second;
+
             if (y.count(rkey))
                 y.at(rkey) += J_r_c * _x.at(ckey);
             else
@@ -113,9 +118,11 @@ std::ostream& operator <<(std::ostream &_os, const MatrixComposite &_M)
     for (const auto &pair_row_cols : _M.matrix_composite_)
     {
         const auto row = pair_row_cols.first;
+
         for (const auto &pair_col_blk : pair_row_cols.second)
         {
             const auto &col = pair_col_blk.first;
+
             _os << "\n  block(" << row << "," << col << ") = \n" << pair_col_blk.second;
         }
     }
@@ -128,6 +135,7 @@ std::ostream& operator <<(std::ostream &_os, const StateComposite &_x)
     {
         const auto &row = pair_row_blk.first;
         const auto &vec = pair_row_blk.second;
+
         _os << "\n  block(" << row << ") = \n" << vec;
     }
     return _os;