chore: import upstream snapshot with attribution

2026-07-13 12:06:04 +08:00
commit 86c9b1c39f
7743 changed files with 3316339 additions and 0 deletions
@@ -0,0 +1,37 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html
+
+#include "perf_precomp.hpp"
+#include <cmath>
+
+namespace opencv_test { namespace {
+
+typedef tuple<int, int> EMD_Size_Dim_t;
+typedef perf::TestBaseWithParam<EMD_Size_Dim_t> EMD_Fixture;
+
+PERF_TEST_P(EMD_Fixture, L1_Distance, testing::Combine(
+            testing::Values(100, 500, 1000),
+            testing::Values(3, 64)
+))
+{
+    int size = get<0>(GetParam());
+    int dims = get<1>(GetParam());
+
+    Mat sign1(size, dims + 1, CV_32FC1);
+    Mat sign2(size, dims + 1, CV_32FC1);
+
+    theRNG().fill(sign1, RNG::UNIFORM, 0.1, 1.0);
+    theRNG().fill(sign2, RNG::UNIFORM, 0.1, 1.0);
+
+    declare.in(sign1, sign2);
+
+    TEST_CYCLE()
+    {
+        cv::EMD(sign1, sign2, cv::DIST_L1);
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+}}