COMPMID-1719 CL: Implement RSqrt, Exp

Change-Id: I827b26239043a9e90d26c2583122648d2a45303a
Reviewed-on: https://review.mlplatform.org/317
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/tests/validation/reference/ElementWiseUnary.cpp b/tests/validation/reference/ElementWiseUnary.cpp
new file mode 100644
index 0000000000..ae7f256339
--- /dev/null
+++ b/tests/validation/reference/ElementWiseUnary.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2018 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 "ElementWiseUnary.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> elementwise_unary(const SimpleTensor<T> &src, ElementWiseUnary op)
+{
+    SimpleTensor<T> dst(src.shape(), src.data_type());
+
+    for(int i = 0; i < src.num_elements(); ++i)
+    {
+        switch(op)
+        {
+            case ElementWiseUnary::RSQRT:
+                dst[i] = 1.f / std::sqrt(src[i]);
+                break;
+            case ElementWiseUnary::EXP:
+                dst[i] = std::exp(src[i]);
+                break;
+            default:
+                ARM_COMPUTE_ERROR("Not implemented");
+        }
+    }
+
+    return dst;
+}
+
+template SimpleTensor<float> elementwise_unary(const SimpleTensor<float> &src, ElementWiseUnary op);
+template SimpleTensor<half> elementwise_unary(const SimpleTensor<half> &src, ElementWiseUnary op);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute