init - 初始化项目

modules/core/perf/perf_merge.cpp

@@ -0,0 +1,40 @@
+#include "perf_precomp.hpp"
+
+namespace opencv_test
+{
+using namespace perf;
+
+typedef tuple<Size, MatType, int> Size_SrcDepth_DstChannels_t;
+typedef perf::TestBaseWithParam<Size_SrcDepth_DstChannels_t> Size_SrcDepth_DstChannels;
+
+PERF_TEST_P( Size_SrcDepth_DstChannels, merge,
+             testing::Combine
+             (
+                 testing::Values(TYPICAL_MAT_SIZES),
+                 testing::Values(CV_8U, CV_16S, CV_32S, CV_32F, CV_64F),
+                 testing::Values(2, 3, 4)
+             )
+           )
+{
+    Size sz = get<0>(GetParam());
+    int srcDepth = get<1>(GetParam());
+    int dstChannels = get<2>(GetParam());
+
+    int maxValue = 255;
+
+    vector<Mat> mv;
+    for( int i = 0; i < dstChannels; ++i )
+    {
+        mv.push_back( Mat(sz, CV_MAKETYPE(srcDepth, 1)) );
+        randu(mv[i], 0, maxValue);
+    }
+
+    Mat dst;
+    int runs = (sz.width <= 640) ? 8 : 1;
+    TEST_CYCLE_MULTIRUN(runs) merge( (vector<Mat> &)mv, dst );
+
+    double eps = srcDepth <= CV_32S ? 1e-12 : (FLT_EPSILON * maxValue);
+    SANITY_CHECK(dst, eps);
+}
+
+} // namespace