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typo #3

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ccc84da
typo
SherylHYX May 19, 2021
4d3e6d6
second directed adj can also take edge weights
SherylHYX May 20, 2021
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13 changes: 7 additions & 6 deletions code/get_adj.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
# from https://github.com/flyingtango/DiGCN/blob/main/code/get_adj.py
import os.path as osp
import numpy as np
import scipy.sparse as sp
Expand Down Expand Up @@ -96,7 +97,7 @@ def get_pr_directed_adj(alpha, edge_index, num_nodes, dtype, edge_weight = None)
return edge_index, deg_inv_sqrt[row] * edge_weight * deg_inv_sqrt[col]

def get_appr_directed_adj(alpha, edge_index, num_nodes, dtype, edge_weight=None):
if edge_weight ==None:
if edge_weight is None:
edge_weight = torch.ones((edge_index.size(1), ), dtype=dtype,
device=edge_index.device)
fill_value = 1
Expand Down Expand Up @@ -154,13 +155,13 @@ def get_appr_directed_adj(alpha, edge_index, num_nodes, dtype, edge_weight=None)
deg = scatter_add(edge_weight, row, dim=0, dim_size=num_nodes)
deg_inv_sqrt = deg.pow(-0.5)
deg_inv_sqrt[deg_inv_sqrt == float('inf')] = 0

return edge_index, deg_inv_sqrt[row] * edge_weight * deg_inv_sqrt[col]

def get_second_directed_adj(edge_index, num_nodes, dtype):

edge_weight = torch.ones((edge_index.size(1), ), dtype=dtype,
device=edge_index.device)
def get_second_directed_adj(edge_index, num_nodes, dtype, edge_weight=None):
if edge_weight is None:
edge_weight = torch.ones((edge_index.size(1), ), dtype=dtype,
device=edge_index.device)
fill_value = 1
edge_index, edge_weight = add_self_loops(
edge_index, edge_weight, fill_value, num_nodes)
Expand Down