GitHub #640 Add support for CEIL operator

* Reference workload
* TfLite Delegate
* TfLite Parser
* Serializer and Deserializer
* Changed fallback tests in delegate to use COS instead of CEIL

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: I36e0dbff33694182d1dba0c95d463506428e2f04

1 files changed, 25 insertions, 0 deletions

diff --git a/src/backends/reference/workloads/Ceil.hpp b/src/backends/reference/workloads/Ceil.hpp
new file mode 100644
index 0000000000..2e415b9c0a
--- /dev/null
+++ b/src/backends/reference/workloads/Ceil.hpp
@@ -0,0 +1,25 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <iostream>
+
+namespace armnn
+{
+template<typename T>
+struct ceil
+    {
+        typedef T result_type;
+        typedef T argument_type;
+
+        T
+        operator () (const T&  inputData) const
+        {
+            return std::ceil(inputData);
+        }
+    };
+
+} //namespace armnn