COMPMID-1754: NEON: Implement Maximum, Minumum, SquaredDifference

Change-Id: I77e8c6a8af6ad841293ed5e66ed582035cc1424b
Reviewed-on: https://review.mlplatform.org/339
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/src/runtime/NEON/functions/NEElementwiseOperators.cpp b/src/runtime/NEON/functions/NEElementwiseOperators.cpp
new file mode 100644
index 0000000..4d4a6a9
--- /dev/null
+++ b/src/runtime/NEON/functions/NEElementwiseOperators.cpp
@@ -0,0 +1,69 @@
+/*
+ * 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, INNEUDING 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 NEAIM, 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 "arm_compute/runtime/NEON/functions/NEElementwiseOperations.h"
+#include <arm_compute/core/NEON/kernels/NEElementwiseOperationKernel.h>
+
+#include "arm_compute/core/ITensor.h"
+#include "support/ToolchainSupport.h"
+
+#include <utility>
+
+namespace arm_compute
+{
+void NEElementwiseMax::configure(ITensor *input1, ITensor *input2, ITensor *output)
+{
+    auto k = arm_compute::support::cpp14::make_unique<NEArithmeticOperationKernel>();
+    k->configure(ArithmeticOperation::MAX, input1, input2, output);
+    _kernel = std::move(k);
+}
+
+Status NEElementwiseMax::validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output)
+{
+    return NEArithmeticOperationKernel::validate(ArithmeticOperation::MAX, input1, input2, output);
+}
+
+void NEElementwiseMin::configure(ITensor *input1, ITensor *input2, ITensor *output)
+{
+    auto k = arm_compute::support::cpp14::make_unique<NEArithmeticOperationKernel>();
+    k->configure(ArithmeticOperation::MIN, input1, input2, output);
+    _kernel = std::move(k);
+}
+
+Status NEElementwiseMin::validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output)
+{
+    return NEArithmeticOperationKernel::validate(ArithmeticOperation::MIN, input1, input2, output);
+}
+
+void NEElementwiseSquaredDiff::configure(ITensor *input1, ITensor *input2, ITensor *output)
+{
+    auto k = arm_compute::support::cpp14::make_unique<NEArithmeticOperationKernel>();
+    k->configure(ArithmeticOperation::SQUARED_DIFF, input1, input2, output);
+    _kernel = std::move(k);
+}
+
+Status NEElementwiseSquaredDiff::validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output)
+{
+    return NEArithmeticOperationKernel::validate(ArithmeticOperation::SQUARED_DIFF, input1, input2, output);
+}
+} // namespace arm_compute