COMPMID-3637: Move utility headers from arm_compute to src

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: If9d6fa8c900b68c4b6fd373f2fc1f9abb83ea917
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4145
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/src/core/utils/helpers/tensor_info.h b/src/core/utils/helpers/tensor_info.h
new file mode 100644
index 0000000000..9279532e2a
--- /dev/null
+++ b/src/core/utils/helpers/tensor_info.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2019-2020 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_UTILS_HELPERS_TENSOR_INFO_H
+#define ARM_COMPUTE_UTILS_HELPERS_TENSOR_INFO_H
+
+#include "arm_compute/core/ITensorInfo.h"
+
+namespace arm_compute
+{
+namespace helpers
+{
+namespace tensor_info
+{
+/** Checks if the quantization info of given tensors are different
+ *
+ * @param tensor_info_1 Tensor info of the first tensor
+ * @param tensor_info_2 Tensor info of the second tensor
+ * @param tensor_infos  Tensor infos of the rest tensors
+ *
+ * @return True if tensors have mismatching quantization info else false.
+ */
+template <typename... Ts>
+inline bool tensors_have_different_quantization_info(const ITensorInfo *tensor_info_1, const ITensorInfo *tensor_info_2, Ts... tensor_infos)
+{
+    const QuantizationInfo first_quantization_info = tensor_info_1->quantization_info();
+
+    const std::array < const ITensorInfo *, 1 + sizeof...(Ts) > tensor_infos_array{ { tensor_info_2, std::forward<Ts>(tensor_infos)... } };
+    return std::any_of(tensor_infos_array.begin(), tensor_infos_array.end(), [&](const ITensorInfo * tensor_info)
+    {
+        return tensor_info->quantization_info() != first_quantization_info;
+    });
+}
+} // namespace tensor_info
+} // namespace helpers
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_UTILS_HELPERS_TENSOR_INFO_H */