COMPMID-424 Implemented reference implementation and tests for WarpAffine

Change-Id: I4924ab1de17adc3b880a5cc22f2497abbc8e221b
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/85820
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/validation/CPP/Utils.h b/tests/validation/CPP/Utils.h
index 91d1afe1d7..e9a0f09847 100644
--- a/tests/validation/CPP/Utils.h
+++ b/tests/validation/CPP/Utils.h
@@ -100,6 +100,32 @@ void apply_2d_spatial_filter(Coordinates coord, const SimpleTensor<T> &src, Simp
 }
 
 RawTensor transpose(const RawTensor &src, int chunk_width = 1);
+
+/** Fill matrix random.
+ *
+ * @param[in,out] matrix Matrix
+ * @param[in]     cols   Columns (width) of matrix
+ * @param[in]     rows   Rows (height) of matrix
+ */
+template <std::size_t SIZE>
+inline void fill_warp_matrix(std::array<float, SIZE> &matrix, int cols, int rows)
+{
+    std::mt19937                          gen(library.get()->seed());
+    std::uniform_real_distribution<float> dist(-1, 1);
+
+    for(int v = 0, r = 0; r < rows; ++r)
+    {
+        for(int c = 0; c < cols; ++c, ++v)
+        {
+            matrix[v] = dist(gen);
+        }
+    }
+    if(SIZE == 9)
+    {
+        matrix[(cols * rows) - 1] = 1;
+    }
+}
+
 } // namespace validation
 } // namespace test
 } // namespace arm_compute