1 files changed, 39 insertions, 0 deletions
diff --git a/onert-micro/luci-interpreter/pal/common/PALElu.h b/onert-micro/luci-interpreter/pal/common/PALElu.h
new file mode 100644
index 000000000..661bd07ee
--- /dev/null
+++ b/onert-micro/luci-interpreter/pal/common/PALElu.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright 2020 The TensorFlow Authors. 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 LUCI_INTERPRETER_PAL_ELU_H
+#define LUCI_INTERPRETER_PAL_ELU_H
+
+#include "PALUtils.h"
+#include <cmath>
+
+namespace luci_interpreter_pal
+{
+
+inline void Elu(const int flat_size, const float *input_data, float *output_data)
+{
+  for (int i = 0; i < flat_size; i++)
+  {
+    float val = input_data[i];
+    float result = val < 0.0f ? std::expm1(val) : val;
+    output_data[i] = result;
+  }
+}
+
+} // namespace luci_interpreter_pal
+
+#endif // LUCI_INTERPRETER_PAL_ELU_H