fix many bug and optimize code (#280)

paconvert/api_alias_mapping.json

@@ -1,4 +1,5 @@
 {
+  "torch.Tensor.divide": "torch.Tensor.div",
   "torch.amp.autocast_mode.autocast": "torch.amp.autocast",
   "torch.autograd.function.Function": "torch.autograd.Function",
   "torch.cuda.amp.autocast_mode.autocast": "torch.cuda.amp.autocast",
@@ -32,6 +33,8 @@
   "torch.distributions.transforms.StickBreakingTransform": "torch.distributions.StickBreakingTransform",
   "torch.distributions.transforms.Transform": "torch.distributions.Transform",
   "torch.distributions.uniform.Uniform": "torch.distributions.Uniform",
+  "torch.divide": "torch.div",
+  "torch.matrix_exp": "torch.linalg.matrix_exp",
   "torch.nn.NLLLoss2d": "torch.nn.NLLLoss",
   "torch.nn.modules.AvgPool1d": "torch.nn.modules.AvgPool2d",
   "torch.nn.modules.AvgPool2d": "torch.nn.modules.AvgPool2d",
@@ -73,14 +76,19 @@
   "torch.nn.parallel.distributed.DistributedDataParallel": "torch.nn.parallel.DistributedDataParallel",
   "torch.nn.parameter.Parameter": "torch.nn.Parameter",
   "torch.nn.parameter.UninitializedParameter": "torch.nn.UninitializedParameter",
+  "torch.nn.utils.clip_grad_norm": "torch.nn.utils.clip_grad_norm_",
   "torch.optim.sgd.SGD": "torch.optim.SGD",
+  "torch.orgqr": "torch.linalg.householder_product",
   "torch.random.get_rng_state": "torch.get_rng_state",
   "torch.random.initial_seed": "torch.initial_seed",
   "torch.random.manual_seed": "torch.manual_seed",
   "torch.random.seed": "torch.seed",
   "torch.random.set_rng_state": "torch.set_rng_state",
+  "torch.special.gammainc": "torch.igamma",
+  "torch.special.gammaincc": "torch.igammac",
   "torch.torch.Tensor": "torch.Tensor",
   "torch.torch.finfo": "torch.finfo",
+  "torch.trapz": "torch.trapezoid",
   "torch.utils.data._utils.collate.default_collate": "torch.utils.data.default_collate",
   "torch.utils.data.dataloader.DataLoader": "torch.utils.data.DataLoader",
   "torch.utils.data.dataloader.default_collate": "torch.utils.data.default_collate",