[GitHub] sandeep-krishnamurthy closed pull request #12457: [MXNET-885] ONNX export - Clip operator

[GitBox <gi...@apache.org>]

sandeep-krishnamurthy closed pull request #12457: [MXNET-885] ONNX export - Clip operator
URL: https://github.com/apache/incubator-mxnet/pull/12457
 
 
   

This is a PR merged from a forked repository.
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diff --git a/python/mxnet/contrib/onnx/mx2onnx/_op_translations.py b/python/mxnet/contrib/onnx/mx2onnx/_op_translations.py
index 0960776251c..3ffac96a14e 100644
--- a/python/mxnet/contrib/onnx/mx2onnx/_op_translations.py
+++ b/python/mxnet/contrib/onnx/mx2onnx/_op_translations.py
@@ -1057,6 +1057,30 @@ def convert_flatten(node, **kwargs):
     )
     return [flatten_node]
 
+@mx_op.register("clip")
+def convert_clip(node, **kwargs):
+    """Map MXNet's Clip operator attributes to onnx's Clip operator
+    and return the created node.
+    """
+    helper, _, _ = import_onnx_modules()
+    name = node["name"]
+    input_idx = kwargs["index_lookup"][node["inputs"][0][0]]
+    proc_nodes = kwargs["proc_nodes"]
+    input_node = proc_nodes[input_idx].name
+    attrs = node["attrs"]
+    a_min = np.float(attrs.get('a_min', -np.inf))
+    a_max = np.float(attrs.get('a_max', np.inf))
+
+    clip_node = helper.make_node(
+        "Clip",
+        [input_node],
+        [name],
+        name=name,
+        min=a_min,
+        max=a_max
+    )
+    return [clip_node]
+
 
 def scalar_op_helper(node, op_name, **kwargs):
     """Helper function for scalar arithmetic operations"""
diff --git a/tests/python-pytest/onnx/export/onnx_backend_test.py b/tests/python-pytest/onnx/export/onnx_backend_test.py
index 19bf6993e7c..01ae09402ef 100644
--- a/tests/python-pytest/onnx/export/onnx_backend_test.py
+++ b/tests/python-pytest/onnx/export/onnx_backend_test.py
@@ -89,7 +89,8 @@
     'test_operator_exp',
     'test_operator_maxpool',
     'test_operator_params',
-    'test_operator_permute2'
+    'test_operator_permute2',
+    'test_clip'
     ]
 
 BASIC_MODEL_TESTS = [


 

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