COMPMID-424 Add validation tests for Gaussian5x5

* Fix apply_2d_spatial_filter to use double as intermediate type
* Fix tensor_elem_at to use random value if on border and border_mode is
UNDEFINED

Change-Id: I7feea23c4664cc63c5bab936566dc92b98c723b9
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78905
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/validation/Reference.cpp b/tests/validation/Reference.cpp
index 98da34c27d..f6f3cb8e1f 100644
--- a/tests/validation/Reference.cpp
+++ b/tests/validation/Reference.cpp
@@ -310,6 +310,21 @@ RawTensor Reference::compute_reference_gaussian3x3(const TensorShape &shape, Bor
     return ref_dst;
 }
 
+RawTensor Reference::compute_reference_gaussian5x5(const TensorShape &shape, BorderMode border_mode, uint8_t constant_border_value)
+{
+    // Create reference
+    RawTensor ref_src = library->get(shape, DataType::U8);
+    RawTensor ref_dst = library->get(shape, DataType::U8);
+
+    // Fill reference
+    library->fill_tensor_uniform(ref_src, 0);
+
+    // Compute reference
+    ReferenceCPP::gaussian5x5(ref_src, ref_dst, border_mode, constant_border_value);
+
+    return ref_dst;
+}
+
 RawTensor Reference::compute_reference_gemm(const TensorShape &src_shape1, const TensorShape &src_shape2, const TensorShape &src_shape3,
                                             const TensorShape &dst_shape, float alpha, float beta, DataType dt, int fixed_point_position)
 {