fix(pt): set device for PT C++ (deepmodeling#4261)

Fix deepmodeling#4171.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
	- Improved GPU initialization to ensure the correct device is utilized.
	- Enhanced error handling for clearer context on exceptions.

- **Bug Fixes**
- Updated error handling in multiple methods to catch and rethrow
specific exceptions.
- Added logic to handle communication-related tensors during
computation.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Signed-off-by: Jinzhe Zeng <[email protected]>

source/api_cc/src/DeepPotPT.cc

@@ -80,6 +80,9 @@ void DeepPotPT::init(const std::string& model,
     device = torch::Device(torch::kCPU);
     std::cout << "load model from: " << model << " to cpu " << std::endl;
   } else {
+#if GOOGLE_CUDA || TENSORFLOW_USE_ROCM
+    DPErrcheck(DPSetDevice(gpu_id));
+#endif  // GOOGLE_CUDA || TENSORFLOW_USE_ROCM
     std::cout << "load model from: " << model << " to gpu " << gpu_id
               << std::endl;
   }