jikechao opened a new pull request, #14796:
URL: https://github.com/apache/tvm/pull/14796

   The calculation formula of `CELU` is wrong. This pr fix it.
   
   From the [pytorch 
documentation](https://pytorch.org/docs/1.7.1/generated/torch.nn.CELU.html?highlight=celu#torch.nn.CELU),
 we can get the calculating logic of CELU.  
   
![image](https://user-images.githubusercontent.com/29506758/236686730-1c3dd901-c8eb-44d1-a189-3162fa9f7caf.png)
   
   
   ### Reproducable Script
   ```
   import torch
   from tvm import relay
   import tvm
   import numpy as np
   
   m = torch.nn.CELU()
   input_data = torch.tensor([[-1.0, 2.0]], dtype=torch.float32)
   
   torch_outputs = m(input_data)
   
   trace = torch.jit.trace(m, input_data)
   input_shapes = [('input0', torch.Size([1, 2]))]
   
   mod, params = relay.frontend.from_pytorch(trace, input_shapes)
   with tvm.transform.PassContext(opt_level=3):
       exe = relay.create_executor('graph', mod=mod, params=params, 
device=tvm.device('llvm', 0), target='llvm').evaluate()
   input_tvm = dict(zip(['input0'], [inp.clone().cpu().numpy() for inp in 
input_data]))
   tvm_outputs = exe(**input_tvm).asnumpy()
   np.testing.assert_allclose(torch_outputs, tvm_outputs, rtol=1e-3, atol=1e-3)
   ```
   
   


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