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+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_EXPERIMENTAL_POSTOPUTILS
+#define ARM_COMPUTE_EXPERIMENTAL_POSTOPUTILS
+
+#include "arm_compute/core/experimental/IPostOp.h"
+#include "arm_compute/core/experimental/PostOps.h"
+
+#include "arm_compute/core/experimental/Types.h"
+#include "support/Cast.h"
+
+#include <vector>
+
+/** (EXPERIMENTAL_POST_OPS) */
+namespace arm_compute
+{
+namespace experimental
+{
+/** Transform a PostOpList of type FromTensorT to one of type ToTensorT */
+template <typename FromTensorT, typename ToTensorT>
+PostOpList<ToTensorT> transform_post_op_list_arguments(const PostOpList<FromTensorT> &post_ops, std::function<ToTensorT(FromTensorT)> transform_arg)
+{
+ PostOpList<ToTensorT> transformed_post_ops;
+ int op_idx = 0;
+ for(const auto &post_op : post_ops.get_list())
+ {
+ switch(post_op->type())
+ {
+ case PostOpType::Activation:
+ {
+ const auto _post_op = utils::cast::polymorphic_downcast<const PostOpAct<FromTensorT> *>(post_op.get());
+ transformed_post_ops.template push_back_op<PostOpAct<ToTensorT>>(_post_op->_act_info);
+ break;
+ }
+ case PostOpType::Eltwise_Add:
+ {
+ const auto _post_op = utils::cast::polymorphic_downcast<const PostOpEltwiseAdd<FromTensorT> *>(post_op.get());
+ transformed_post_ops.template push_back_op<PostOpEltwiseAdd<ToTensorT>>(transform_arg(_post_op->_addend), _post_op->_prev_dst_pos, _post_op->_policy);
+ break;
+ }
+ case PostOpType::Eltwise_PRelu:
+ {
+ const auto _post_op = utils::cast::polymorphic_downcast<const PostOpEltwisePRelu<FromTensorT> *>(post_op.get());
+ transformed_post_ops.template push_back_op<PostOpEltwisePRelu<ToTensorT>>(transform_arg(_post_op->_alpha_param), _post_op->_prev_dst_pos, _post_op->_policy);
+ break;
+ }
+ default:
+ {
+ ARM_COMPUTE_ERROR("Unsupported PostOpType");
+ }
+ }
+ ++op_idx;
+ }
+ return transformed_post_ops;
+}
+
+/** Get post op argument TensorType from post op argument index in a flattened, ordered post op argument list */
+inline TensorType get_post_op_arg_type(size_t index)
+{
+ ARM_COMPUTE_ERROR_ON_MSG(static_cast<int>(index) > EXPERIMENTAL_ACL_POST_OP_ARG_LAST - EXPERIMENTAL_ACL_POST_OP_ARG_FIRST, "Post Op argument index is out of range");
+ return static_cast<TensorType>(EXPERIMENTAL_ACL_POST_OP_ARG_FIRST + static_cast<int>(index));
+}
+
+/** Get a sequence of PostOp Types from PostOpList */
+template <typename T>
+PostOpTypeSequence get_post_op_sequence(const PostOpList<T> &post_ops)
+{
+ PostOpTypeSequence post_op_sequence;
+ for(const auto &op : post_ops.get_list())
+ {
+ post_op_sequence.push_back(op->type());
+ }
+ return post_op_sequence;
+}
+
+} // namespace experimental
+} // namespace arm_compute
+#endif //ARM_COMPUTE_EXPERIMENTAL_POSTOPUTILS