| 20 | """ MLP as used in Vision Transformer, MLP-Mixer and related networks |
| 21 | """ |
| 22 | def __init__(self, in_features, hidden_features=None, out_features=None, act_layer=nn.GELU, drop=0.): |
| 23 | super().__init__() |
| 24 | out_features = out_features or in_features |
| 25 | hidden_features = hidden_features or in_features |
| 26 | self.fc1 = nn.Linear(in_features, hidden_features) |
| 27 | self.act = act_layer() |
| 28 | self.fc2 = nn.Linear(hidden_features, out_features) |
| 29 | self.drop = nn.Dropout(drop) |
| 30 | |
| 31 | def forward(self, x): |
| 32 | x = self.fc1(x) |