From 1fab09f36bdd1e5473bb019cf9639f4a92b4daa1 Mon Sep 17 00:00:00 2001
From: Isabella Gottardi <isabella.gottardi@arm.com>
Date: Thu, 13 Jul 2017 15:55:57 +0100
Subject: COMPMID-424 Implemented reference implementation, new output valid
 region and validation tests (NEON and CL) for Scale

Change-Id: I056fa3588b807a97cacf0b8afaec56e37ffc92af
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/83872
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
---
 tests/validation/TensorOperations.h | 82 +++++++++++++++++++------------------
 1 file changed, 42 insertions(+), 40 deletions(-)

(limited to 'tests/validation/TensorOperations.h')

diff --git a/tests/validation/TensorOperations.h b/tests/validation/TensorOperations.h
index e68a344112..f157671c18 100644
--- a/tests/validation/TensorOperations.h
+++ b/tests/validation/TensorOperations.h
@@ -24,6 +24,8 @@
 #ifndef __ARM_COMPUTE_TEST_TENSOR_OPERATIONS_H__
 #define __ARM_COMPUTE_TEST_TENSOR_OPERATIONS_H__
 
+#include "arm_compute/core/FixedPoint.h"
+#include "arm_compute/core/Helpers.h"
 #include "arm_compute/core/Types.h"
 #include "support/ToolchainSupport.h"
 #include "tests/Types.h"
@@ -116,6 +118,46 @@ void apply_2d_spatial_filter(Coordinates coord, const Tensor<T1> &in, Tensor<T3>
 }
 } // namespace
 
+template <typename T>
+T bilinear_policy(const Tensor<T> &in, Coordinates id, float xn, float yn, BorderMode border_mode, uint8_t constant_border_value)
+{
+    int idx = std::floor(xn);
+    int idy = std::floor(yn);
+
+    const float dx   = xn - idx;
+    const float dy   = yn - idy;
+    const float dx_1 = 1.0f - dx;
+    const float dy_1 = 1.0f - dy;
+
+    id.set(0, idx);
+    id.set(1, idy);
+    const T tl = tensor_elem_at(in, id, border_mode, constant_border_value);
+    id.set(0, idx + 1);
+    id.set(1, idy);
+    const T tr = tensor_elem_at(in, id, border_mode, constant_border_value);
+    id.set(0, idx);
+    id.set(1, idy + 1);
+    const T bl = tensor_elem_at(in, id, border_mode, constant_border_value);
+    id.set(0, idx + 1);
+    id.set(1, idy + 1);
+    const T br = tensor_elem_at(in, id, border_mode, constant_border_value);
+
+    return tl * (dx_1 * dy_1) + tr * (dx * dy_1) + bl * (dx_1 * dy) + br * (dx * dy);
+}
+
+bool valid_bilinear_policy(float xn, float yn, int width, int height, BorderMode border_mode)
+{
+    if(border_mode != BorderMode::UNDEFINED)
+    {
+        return true;
+    }
+    if((0 <= yn + 1) && (yn + 1 < height) && (0 <= xn + 1) && (xn + 1 < width))
+    {
+        return true;
+    }
+    return false;
+}
+
 // Sobel 3x3
 template <typename T1, typename T2>
 void sobel_3x3(Tensor<T1> &in, Tensor<T2> &out_x, Tensor<T2> &out_y, BorderMode border_mode, uint8_t constant_border_value)
@@ -881,46 +923,6 @@ void threshold(const Tensor<T> &in, Tensor<T> &out, uint8_t threshold, uint8_t f
     }
 }
 
-template <typename T>
-T bilinear_policy(const Tensor<T> &in, Coordinates id, float xn, float yn, BorderMode border_mode, uint8_t constant_border_value)
-{
-    int idx = std::floor(xn);
-    int idy = std::floor(yn);
-
-    const float dx   = xn - idx;
-    const float dy   = yn - idy;
-    const float dx_1 = 1.0f - dx;
-    const float dy_1 = 1.0f - dy;
-
-    id.set(0, idx);
-    id.set(1, idy);
-    const T tl = tensor_elem_at(in, id, border_mode, constant_border_value);
-    id.set(0, idx + 1);
-    id.set(1, idy);
-    const T tr = tensor_elem_at(in, id, border_mode, constant_border_value);
-    id.set(0, idx);
-    id.set(1, idy + 1);
-    const T bl = tensor_elem_at(in, id, border_mode, constant_border_value);
-    id.set(0, idx + 1);
-    id.set(1, idy + 1);
-    const T br = tensor_elem_at(in, id, border_mode, constant_border_value);
-
-    return tl * (dx_1 * dy_1) + tr * (dx * dy_1) + bl * (dx_1 * dy) + br * (dx * dy);
-}
-
-bool valid_bilinear_policy(float xn, float yn, int width, int height, BorderMode border_mode)
-{
-    if(border_mode != BorderMode::UNDEFINED)
-    {
-        return true;
-    }
-    if((0 <= yn + 1) && (yn + 1 < height) && (0 <= xn + 1) && (xn + 1 < width))
-    {
-        return true;
-    }
-    return false;
-}
-
 // Warp Perspective
 template <typename T>
 void warp_perspective(const Tensor<T> &in, Tensor<T> &out, Tensor<T> &valid_mask, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value)
-- 
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