COMPMID-424 NEON MinMaxLocation test.

Change-Id: I3dda0961061b52c680b5af0443ad93a00425dd4c
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/77433
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>
diff --git a/tests/validation/TensorVisitors.h b/tests/validation/TensorVisitors.h
index c58b9a6..168e212 100644
--- a/tests/validation/TensorVisitors.h
+++ b/tests/validation/TensorVisitors.h
@@ -45,6 +45,28 @@
 {
 namespace tensor_visitors
 {
+// Min max location visitor
+struct min_max_location_visitor : public boost::static_visitor<>
+{
+public:
+    explicit min_max_location_visitor(int32_t &min, int32_t &max, Coordinates2DArray &min_loc, Coordinates2DArray &max_loc, uint32_t &min_count, uint32_t &max_count)
+        : _min(min), _max(max), _min_loc(min_loc), _max_loc(max_loc), _min_count(min_count), _max_count(max_count)
+    {
+    }
+    template <typename T1>
+    void operator()(const Tensor<T1> &in) const
+    {
+        tensor_operations::min_max_location(in, _min, _max, _min_loc, _max_loc, _min_count, _max_count);
+    }
+
+private:
+    int32_t            &_min;
+    int32_t            &_max;
+    Coordinates2DArray &_min_loc;
+    Coordinates2DArray &_max_loc;
+    uint32_t           &_min_count;
+    uint32_t           &_max_count;
+};
 // Absolute Difference visitor
 struct absolute_difference_visitor : public boost::static_visitor<>
 {