[Good First Issue][Keras 3 OpenVINO Backend]: Support numpy.dot operation #29119 (#20982)

* Implement dot operation for openvino

* Enable dot tests

* Add pytest.ini in the root directory

* Fix style issues

* Handle scaler inputs and fix code formate

* Handle scaler inputs and fix code formate

* Delete pytest.ini

* Remove scaler handling

* Handle scaler inputs

* Handle scalers and style format

* update scaler handling

* Fix the format of the numpy.py file

* Fix sytling issues

* Fix sytling issues

---------

Co-authored-by: Saif Mohammed <[email protected]>

Author: SaifMohammed22

keras/src/backend/openvino/excluded_concrete_tests.txt

@@ -22,7 +22,6 @@ NumpyDtypeTest::test_cumsum_bool
 NumpyDtypeTest::test_diag
 NumpyDtypeTest::test_diff
 NumpyDtypeTest::test_digitize
-NumpyDtypeTest::test_dot
 NumpyDtypeTest::test_einsum
 NumpyDtypeTest::test_empty
 NumpyDtypeTest::test_exp2
@@ -100,7 +99,8 @@ NumpyOneInputOpsCorrectnessTest::test_cumprod
 NumpyOneInputOpsCorrectnessTest::test_diag
 NumpyOneInputOpsCorrectnessTest::test_diagonal
 NumpyOneInputOpsCorrectnessTest::test_diff
-NumpyOneInputOpsCorrectnessTest::test_dot
+NumpyOneInputOpsCorrectnessTest::test_exp
+NumpyOneInputOpsCorrectnessTest::test_expand_dims
 NumpyOneInputOpsCorrectnessTest::test_exp2
 NumpyOneInputOpsCorrectnessTest::test_expm1
 NumpyOneInputOpsCorrectnessTest::test_flip

keras/src/backend/openvino/numpy.py

@@ -512,7 +512,17 @@ def digitize(x, bins):
 
 
 def dot(x, y):
-    raise NotImplementedError("`dot` is not supported with openvino backend")
+    element_type = None
+    if isinstance(x, OpenVINOKerasTensor):
+        element_type = x.output.get_element_type()
+    if isinstance(y, OpenVINOKerasTensor):
+        element_type = y.output.get_element_type()
+    x = get_ov_output(x, element_type)
+    y = get_ov_output(y, element_type)
+    x, y = _align_operand_types(x, y, "dot()")
+    if x.get_partial_shape().rank == 0 or y.get_partial_shape().rank == 0:
+        return OpenVINOKerasTensor(ov_opset.multiply(x, y).output(0))
+    return OpenVINOKerasTensor(ov_opset.matmul(x, y, False, False).output(0))
 
 
 def empty(shape, dtype=None):