IVGCVSW-5156 Introduce ModelOptions to OptimizedNetwork

 * Introduced ModelOptions to IBackendInternal
 * Introduced ModelOptions to Network
 * Added FastMathEnabled parameter to Conv2d Validate function in CL and NEON
 * Added Optimizer tests

Signed-off-by: Ryan OShea <Ryan.OShea2@arm.com>
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: Ib54c1e82cb3d89a52756ed499cf91b6a7fdb2063
diff --git a/src/backends/cl/ClBackendModelContext.hpp b/src/backends/cl/ClBackendModelContext.hpp
new file mode 100644
index 0000000..59f7f8f
--- /dev/null
+++ b/src/backends/cl/ClBackendModelContext.hpp
@@ -0,0 +1,23 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <armnn/backends/IBackendContext.hpp>
+
+namespace armnn
+{
+
+class ClBackendModelContext : public IBackendModelContext
+{
+public:
+    ClBackendModelContext(const ModelOptions& modelOptions);
+
+    bool IsFastMathEnabled() const;
+
+private:
+    bool m_IsFastMathEnabled;
+};
+
+} // namespace armnn
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