diff --git a/docs/src/operations/reference/manipulation/make-contiguous.rst b/docs/src/operations/reference/manipulation/make-contiguous.rst
index 11589a0fc..504247f15 100644
--- a/docs/src/operations/reference/manipulation/make-contiguous.rst
+++ b/docs/src/operations/reference/manipulation/make-contiguous.rst
@@ -1,6 +1,9 @@
 make_contiguous
 ===============
 
+These operations are equivalent of :py:func:`numpy.ascontiguousarray` in numpy
+and :py:meth:`torch.Tensor.contiguous` in torch.
+
 .. autofunction:: metatensor.make_contiguous
 
 .. autofunction:: metatensor.make_contiguous_block
diff --git a/python/metatensor-operations/tests/is_contiguous.py b/python/metatensor-operations/tests/is_contiguous.py
index dab00409a..258933812 100644
--- a/python/metatensor-operations/tests/is_contiguous.py
+++ b/python/metatensor-operations/tests/is_contiguous.py
@@ -18,22 +18,6 @@ def tensor():
     )
 
 
-@pytest.fixture
-def non_contiguous_tensor(tensor) -> TensorMap:
-    """
-    Make a TensorMap non-contiguous by reversing the order of the samples/properties
-    rows/columns in all values and gradient blocks.
-    """
-    keys = tensor.keys
-    new_blocks = []
-
-    for block in tensor.blocks():
-        new_block = _non_contiguous_block(block)
-        new_blocks.append(new_block)
-
-    return TensorMap(keys=keys, blocks=new_blocks)
-
-
 def _non_contiguous_block(block: TensorBlock) -> TensorBlock:
     """
     Make a non-contiguous block by reversing the order in both the main value block and
@@ -59,6 +43,22 @@ def _non_contiguous_block(block: TensorBlock) -> TensorBlock:
     return new_block
 
 
+@pytest.fixture
+def non_contiguous_tensor(tensor) -> TensorMap:
+    """
+    Make a TensorMap non-contiguous by reversing the order of the samples/properties
+    rows/columns in all values and gradient blocks.
+    """
+    keys = tensor.keys
+    new_blocks = []
+
+    for block in tensor.blocks():
+        new_block = _non_contiguous_block(block)
+        new_blocks.append(new_block)
+
+    return TensorMap(keys=keys, blocks=new_blocks)
+
+
 def test_is_contiguous_block(tensor):
     assert metatensor.is_contiguous_block(tensor.block(0))
     assert not metatensor.is_contiguous_block(_non_contiguous_block(tensor.block(0)))
diff --git a/python/metatensor-operations/tests/make_contiguous.py b/python/metatensor-operations/tests/make_contiguous.py
index 5237f1a81..5af2ec3ae 100644
--- a/python/metatensor-operations/tests/make_contiguous.py
+++ b/python/metatensor-operations/tests/make_contiguous.py
@@ -18,22 +18,6 @@ def tensor():
     )
 
 
-@pytest.fixture
-def non_contiguous_tensor(tensor) -> TensorMap:
-    """
-    Make a TensorMap non-contiguous by reversing the order of the samples/properties
-    rows/columns in all values and gradient blocks.
-    """
-    keys = tensor.keys
-    new_blocks = []
-
-    for _key, block in tensor.items():
-        new_block = _non_contiguous_block(block)
-        new_blocks.append(new_block)
-
-    return TensorMap(keys=keys, blocks=new_blocks)
-
-
 def _non_contiguous_block(block: TensorBlock) -> TensorBlock:
     """
     Make a non-contiguous block by reversing the order in both the main value block and
@@ -59,6 +43,22 @@ def _non_contiguous_block(block: TensorBlock) -> TensorBlock:
     return new_block
 
 
+@pytest.fixture
+def non_contiguous_tensor(tensor) -> TensorMap:
+    """
+    Make a TensorMap non-contiguous by reversing the order of the samples/properties
+    rows/columns in all values and gradient blocks.
+    """
+    keys = tensor.keys
+    new_blocks = []
+
+    for _key, block in tensor.items():
+        new_block = _non_contiguous_block(block)
+        new_blocks.append(new_block)
+
+    return TensorMap(keys=keys, blocks=new_blocks)
+
+
 def test_make_contiguous_block(tensor):
     block = _non_contiguous_block(tensor.block(0))