COMPMID-424 - Implemented reference implementation and tests (NEON and CL) for TableLookup

Change-Id: I53098ee750ab07fe64e9e2af8df91954d64017f5
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/79411
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/tests/ILutAccessor.h b/tests/ILutAccessor.h
new file mode 100644
index 0000000000..6431ed141f
--- /dev/null
+++ b/tests/ILutAccessor.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017 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_TEST_ILUTACCESSOR_H__
+#define __ARM_COMPUTE_TEST_ILUTACCESSOR_H__
+
+#include "arm_compute/core/Coordinates.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+namespace test
+{
+/** Common interface to provide information and access to Lut like
+ * structures.
+ */
+template <typename T>
+class ILutAccessor
+{
+public:
+    using value_type = T;
+
+    /** Pure virtual destructor. */
+    virtual ~ILutAccessor() = default;
+
+    /** Number of elements of the Lut. */
+    virtual int num_elements() const = 0;
+
+    /** Read access to the specified element.
+     *
+     * @param[in] input_value Lut input value, from numericlimits<T>:min to numericlimits<T>:max.
+     *
+     * @return Output desired element.
+     */
+    virtual const T &operator[](T input_value) const = 0;
+
+    /** Write access to the specified element.
+     *
+     * @param[in] input_value Lut input value, from numericlimits<T>:min to numericlimits<T>:max.
+     *
+     * @return Output desired element.
+     */
+    virtual T &operator[](T input_value) = 0;
+};
+
+} // namespace test
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_TEST_ILUTACCESSOR_H__ */