File perf_addWeited.cpp added

modules/core/perf/perf_addWeighted.cpp

+#include "perf_precomp.hpp"
+
+using namespace std;
+using namespace cv;
+using namespace perf;
+using std::tr1::make_tuple;
+using std::tr1::get;
+
+#define TYPICAL_MAT_TYPES_ADWEIGHTED  CV_8UC1, CV_8UC4, CV_8SC1, CV_16UC1, CV_16SC1, CV_32SC1, CV_32SC4
+#define TYPICAL_MATS_ADWEIGHTED       testing::Combine(testing::Values(szVGA, sz720p, sz1080p), testing::Values(TYPICAL_MAT_TYPES_ADWEIGHTED))
+
+PERF_TEST_P(Size_MatType, addWeighted, TYPICAL_MATS_ADWEIGHTED)
+{
+    Size size = get<0>(GetParam());
+    int type = get<1>(GetParam());
+    Mat src1(size, type);
+    Mat src2(size, type);
+	double alpha = 3.75;
+	double beta = -0.125;
+    double gamma = 100.0;
+	
+    Mat dst(size, type);
+
+    declare.in(src1, src2, dst, WARMUP_RNG).out(dst);
+
+    TEST_CYCLE() cv::addWeighted( src1, alpha, src2, beta, gamma, dst, dst.type() );
+
+    SANITY_CHECK(dst);
+}