[tflchef] Support Sqrt operation (#2695)

This commit supports generating tflite file of Sqrt operation.

Signed-off-by: jiseob.jang <jiseob.jang@samsung.com>

diff --git a/contrib/tflchef/core/src/Op/Sqrt.cpp b/contrib/tflchef/core/src/Op/Sqrt.cpp
new file mode 100644 (file)
index 0000000..101a813
--- /dev/null
+++ b/contrib/tflchef/core/src/Op/Sqrt.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Sqrt.h"
+
+flatbuffers::Offset<void> SqrtChef::value(flatbuffers::FlatBufferBuilder &fbb) const
+{
+  return flatbuffers::Offset<void>();
+}
+
+std::unique_ptr<OpChef> SqrtChefFactory::create(const tflchef::Operation *operation) const
+{
+  return std::unique_ptr<OpChef>{new SqrtChef{operation}};
+}

diff --git a/contrib/tflchef/core/src/Op/Sqrt.h b/contrib/tflchef/core/src/Op/Sqrt.h
new file mode 100644 (file)
index 0000000..2f91a99
--- /dev/null
+++ b/contrib/tflchef/core/src/Op/Sqrt.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __OP_SQRT_H__
+#define __OP_SQRT_H__
+
+#include "OpChef.h"
+
+class SqrtChef final : public OpChef
+{
+public:
+  explicit SqrtChef(const tflchef::Operation *operation) : _operation{operation}
+  {
+    // DO NOTHING
+  }
+
+public:
+  tflite::BuiltinOperator code(void) const override { return tflite::BuiltinOperator_SQRT; }
+
+  tflite::BuiltinOptions type(void) const override { return tflite::BuiltinOptions_NONE; }
+
+  flatbuffers::Offset<void> value(flatbuffers::FlatBufferBuilder &fbb) const override;
+
+private:
+  const tflchef::Operation *_operation;
+};
+
+struct SqrtChefFactory final : public OpChefFactory
+{
+  std::unique_ptr<OpChef> create(const tflchef::Operation *operation) const override;
+};
+
+#endif // __OP_SQRT_H__

diff --git a/contrib/tflchef/core/src/OpChef.def b/contrib/tflchef/core/src/OpChef.def
index 0b9ea73..cd34c72 100644 (file)
--- a/contrib/tflchef/core/src/OpChef.def
+++ b/contrib/tflchef/core/src/OpChef.def
@@ -14,4 +14,5 @@ OP_CHEF(MaxPool2D, MaxPool2DChefFactory)
 OP_CHEF(ReLU, ReLUChefFactory)
 OP_CHEF(ReLU6, ReLU6ChefFactory)
 OP_CHEF(Reshape, ReshapeChefFactory)
+OP_CHEF(Sqrt, SqrtChefFactory)
 OP_CHEF(Sub, SubChefFactory)

diff --git a/contrib/tflchef/core/src/OpChefs.h b/contrib/tflchef/core/src/OpChefs.h
index 933697a..5e0f4aa 100644 (file)
--- a/contrib/tflchef/core/src/OpChefs.h
+++ b/contrib/tflchef/core/src/OpChefs.h
@@ -27,6 +27,7 @@
 #include "Op/ReLU.h"
 #include "Op/ReLU6.h"
 #include "Op/Reshape.h"
+#include "Op/Sqrt.h"
 #include "Op/Sub.h"
 
 #endif // __OP_CHEFS_H__

diff --git a/contrib/tflchef/tests/sqrt/test.recipe b/contrib/tflchef/tests/sqrt/test.recipe
new file mode 100644 (file)
index 0000000..1754f9a
--- /dev/null
+++ b/contrib/tflchef/tests/sqrt/test.recipe
@@ -0,0 +1,18 @@
+operand {
+  name: "ifm"
+  type: FLOAT32
+  shape { dim: 1 dim: 3 dim: 3 dim: 2 }
+  filler { tag: "constant" arg: "3.5" }
+}
+operand {
+  name: "ofm"
+  type: FLOAT32
+  shape { dim: 1 dim: 3 dim: 3 dim: 2 }
+}
+operation {
+  type: "Sqrt"
+  input: "ifm"
+  output: "ofm"
+}
+input: "ifm"
+output: "ofm"