From 6377f5a45803275f0782d2f49cdb8148b6e52bdc Mon Sep 17 00:00:00 2001
From: Ilya Lavrenov <ilya.lavrenov@itseez.com>
Date: Fri, 26 Sep 2014 08:59:32 +0000
Subject: [PATCH] fixed warps accuracy tests

---
 modules/imgproc/test/test_imgwarp_strict.cpp | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/modules/imgproc/test/test_imgwarp_strict.cpp b/modules/imgproc/test/test_imgwarp_strict.cpp
index 669c601860..4ec4b8683d 100644
--- a/modules/imgproc/test/test_imgwarp_strict.cpp
+++ b/modules/imgproc/test/test_imgwarp_strict.cpp
@@ -725,19 +725,25 @@ void CV_Remap_Test::generate_test_data()
 
         case CV_32FC2:
         {
-            MatIterator_<Vec2f> begin_x = mapx.begin<Vec2f>(), end_x = mapx.end<Vec2f>();
             float fscols = static_cast<float>(std::max(src.cols - 1 + n, 0)),
                     fsrows = static_cast<float>(std::max(src.rows - 1 + n, 0));
-            for ( ; begin_x != end_x; ++begin_x)
+            int width = mapx.cols << 1;
+
+            for (int y = 0; y < mapx.rows; ++y)
             {
-                begin_x[0] = rng.uniform(_n, fscols);
-                begin_x[1] = rng.uniform(_n, fsrows);
+                float * ptr = mapx.ptr<float>(y);
+
+                for (int x = 0; x < width; x += 2)
+                {
+                    ptr[x] = rng.uniform(_n, fscols);
+                    ptr[x + 1] = rng.uniform(_n, fsrows);
+                }
             }
         }
         break;
 
         default:
-            assert(0);
+            CV_Assert(0);
         break;
     }
 }