69dd0827d09eae0b4e6b95df854b2814175c9248,torch_geometric/nn/models/signed_gcn.py,SignedGCN,create_spectral_features,#SignedGCN#Any#Any#,39

Before Change

    def create_spectral_features(self, pos_edge_index, neg_edge_index):
        edge_index = torch.cat([pos_edge_index, neg_edge_index], dim=1)
        N = edge_index.max().item() + 1
        edge_index = edge_index.to(torch.device("cpu")).detach().numpy()

        pos_val = torch.full((pos_edge_index.size(1), ), 1, dtype=torch.float)
        neg_val = torch.full((neg_edge_index.size(1), ), -1, dtype=torch.float)
        val = torch.cat([pos_val, neg_val], dim=0)

After Change

        row, col = edge_index
        edge_index = torch.cat([edge_index, torch.stack([col, row])], dim=1)
        val = torch.cat([val, val], dim=0)

        edge_index, val = coalesce(edge_index, val, N, N)

        // Borrowed from:

Instances