Added abs_ instance methods and absolute and absolute_ method aliases…

… and tested (#5963)

Co-authored-by: Intenzo21 <“[email protected]”>

ivy/functional/frontends/torch/Tensor.py

@@ -73,10 +73,14 @@ def amax(self, dim=None, keepdim=False):
     def abs(self, *, out=None):
         return torch_frontend.abs(self.data, out=out)
 
+    def abs_(self):
+        self.data = self.abs()
+        return self.data
+
     def contiguous(self, memory_format=torch.contiguous_format):
         return self.data
 
-    def new_ones(self, size, * , dtype=None, device=None, requires_grad=False):
+    def new_ones(self, size, *, dtype=None, device=None, requires_grad=False):
         return torch_frontend.ones(size, dtype=dtype, device=device,
                                    requires_grad=requires_grad)
 
@@ -136,6 +140,9 @@ def __sub__(self, other, *, alpha=1):
     def __truediv__(self, other, *, rounding_mode=None):
         return torch_frontend.div(self, other, rounding_mode=rounding_mode)
 
+    # Method aliases
+    absolute, absolute_ = abs, abs_
+
 
 # Tensor (alias)
 tensor = Tensor

ivy_tests/test_ivy/test_frontends/test_torch/test_tensor.py

@@ -627,6 +627,38 @@ def test_torch_instance_abs(
     )
 
 
+# abs_
+@handle_cmd_line_args
+@given(
+    dtype_and_x=helpers.dtype_and_values(
+        available_dtypes=helpers.get_dtypes("float"),
+    )
+)
+def test_torch_instance_abs_(
+    dtype_and_x,
+    as_variable,
+    native_array,
+):
+    input_dtype, x = dtype_and_x
+    helpers.test_frontend_method(
+        input_dtypes_init=input_dtype,
+        as_variable_flags_init=as_variable,
+        num_positional_args_init=1,
+        native_array_flags_init=native_array,
+        all_as_kwargs_np_init={
+            "data": x[0],
+        },
+        input_dtypes_method=input_dtype,
+        as_variable_flags_method=as_variable,
+        num_positional_args_method=0,
+        native_array_flags_method=native_array,
+        all_as_kwargs_np_method={},
+        frontend="torch",
+        class_name="tensor",
+        method_name="abs_",
+    )
+
+
 # contiguous
 @handle_cmd_line_args
 @given(