COMPMID-511: Port FixedPoint arithmetic to new validation

Change-Id: Iae85c195a4ecdaf6df1d0055f3ad09582d128dc1
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88669
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

2 files changed, 127 insertions, 0 deletions

diff --git a/tests/validation/CPP/FixedPoint.cpp b/tests/validation/CPP/FixedPoint.cpp
new file mode 100644
index 0000000000..a016093ed6
--- /dev/null
+++ b/tests/validation/CPP/FixedPoint.cpp
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+#include "FixedPoint.h"
+
+#include "arm_compute/core/Types.h"
+#include "tests/validation/FixedPoint.h"
+#include "tests/validation/Helpers.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> fixed_point_operation(const SimpleTensor<T> &src, FixedPointOp op)
+{
+    SimpleTensor<T> result(src.shape(), src.data_type());
+
+    const int p = src.fixed_point_position();
+    switch(op)
+    {
+        case FixedPointOp::EXP:
+            for(int i = 0; i < src.num_elements(); ++i)
+            {
+                result[i] = fixed_point_arithmetic::exp(fixed_point_arithmetic::fixed_point<T>(src[i], p, true)).raw();
+            }
+            break;
+        case FixedPointOp::LOG:
+            for(int i = 0; i < src.num_elements(); ++i)
+            {
+                result[i] = fixed_point_arithmetic::log(fixed_point_arithmetic::fixed_point<T>(src[i], p, true)).raw();
+            }
+            break;
+        case FixedPointOp::INV_SQRT:
+            for(int i = 0; i < src.num_elements(); ++i)
+            {
+                result[i] = fixed_point_arithmetic::inv_sqrt(fixed_point_arithmetic::fixed_point<T>(src[i], p, true)).raw();
+            }
+            break;
+        case FixedPointOp::RECIPROCAL:
+            for(int i = 0; i < src.num_elements(); ++i)
+            {
+                result[i] = fixed_point_arithmetic::div(fixed_point_arithmetic::fixed_point<T>(1, p), fixed_point_arithmetic::fixed_point<T>(src[i], p, true)).raw();
+            }
+            break;
+        default:
+            ARM_COMPUTE_ERROR("Fixed point operation not supported");
+            break;
+    }
+
+    return result;
+}
+
+template SimpleTensor<int8_t> fixed_point_operation(const SimpleTensor<int8_t> &src, FixedPointOp op);
+template SimpleTensor<int16_t> fixed_point_operation(const SimpleTensor<int16_t> &src, FixedPointOp op);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/CPP/FixedPoint.h b/tests/validation/CPP/FixedPoint.h
new file mode 100644
index 0000000000..f0117f9dd0
--- /dev/null
+++ b/tests/validation/CPP/FixedPoint.h
@@ -0,0 +1,44 @@
+/*
+ * 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_FIXED_POINT_OPERATION_H__
+#define __ARM_COMPUTE_TEST_FIXED_POINT_OPERATION_H__
+
+#include "tests/SimpleTensor.h"
+#include "tests/Types.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> fixed_point_operation(const SimpleTensor<T> &src, FixedPointOp op);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_TEST_FIXED_POINT_OPERATION_H__ */