epam / opencvConditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 14,053 units with 233,416 lines of code in units (45.9% of code).

56 very complex units (28,415 lines of code)
213 complex units (25,280 lines of code)
764 medium complex units (48,543 lines of code)
1,076 simple units (36,219 lines of code)
11,944 very simple units (94,959 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
int agast_cornerScore() in modules/features2d/src/agast_score.cpp	5625	1868	3
static void AGAST_7_12d() in modules/features2d/src/agast.cpp	2437	790	3
static void OAST_9_16() in modules/features2d/src/agast.cpp	2096	691	3
int agast_cornerScore() in modules/features2d/src/agast_score.cpp	2066	688	3
static void AGAST_7_12s() in modules/features2d/src/agast.cpp	2074	669	3
void cv::cvtColor() in modules/imgproc/src/color.cpp	466	424	4
int agast_cornerScore() in modules/features2d/src/agast_score.cpp	1203	394	3
static bool ocl_cvtColor() in modules/imgproc/src/color.cpp	576	378	4
static bool ipp_cvtColor() in modules/imgproc/src/color.cpp	546	365	4
static void AGAST_5_8() in modules/features2d/src/agast.cpp	753	230	3
static bool ipp_norm() in modules/core/src/stat.cpp	273	182	5
ChPair getConversionInfo() in modules/imgproc/perf/perf_cvt_color.cpp	112	170	1
void cv::dft() in modules/core/src/dxt.cpp	387	138	4
void cv::gemm() in modules/core/src/matmul.cpp	484	130	7
CV_IMPL void cvProjectPoints2() in modules/calib3d/src/calibration.cpp	346	122	12
void _OutputArray::create() in modules/core/src/matrix.cpp	263	116	6
int agast_cornerScore() in modules/features2d/src/agast_score.cpp	353	112	3
void CvDTreeTrainData::set_data() in apps/traincascade/old_ml_tree.cpp	440	110	11
void cv::reduce() in modules/core/src/matrix.cpp	138	102	5
CV_IMPL double cvCalibrateCamera2() in modules/calib3d/src/calibration.cpp	281	98	10
static void arithm_op() in modules/core/src/arithm.cpp	246	96	9
def gen_func() in modules/java/generator/gen_java.py	256	93	4
def SVG() in doc/pattern_tools/svgfig.py	181	90	2
static bool ipp_norm() in modules/core/src/stat.cpp	126	86	4
int value_type CV_DEFAULT() in modules/core/src/persistence.cpp	212	86	1
void cv::resize() in modules/imgproc/src/imgwarp.cpp	314	86	6
double cvStereoCalibrate() in modules/calib3d/src/calibration.cpp	379	81	15
void RNG::fill() in modules/core/src/rand.cpp	222	78	5
void cv::convertMaps() in modules/imgproc/src/imgwarp.cpp	399	78	6
void cv::copyMakeBorder() in modules/core/src/copy.cpp	156	77	8
void cv::Canny() in modules/imgproc/src/canny.cpp	301	77	6
void hqr2() in modules/core/src/lda.cpp	343	71	0
void hqr2() in modules/calib3d/src/dls.h	343	71	0
double cv::fisheye::stereoCalibrate() in modules/calib3d/src/fisheye.cpp	187	69	12
static void computeDisparitySGBM() in modules/calib3d/src/stereosgbm.cpp	397	67	5
static LRESULT CALLBACK HighGUIProc() in modules/highgui/src/window_w32.cpp	184	66	4
def parse_func_decl() in modules/python/src2/hdr_parser.py	155	62	2
bool BmpDecoder::readData() in modules/imgcodecs/src/grfmt_bmp.cpp	260	61	1
double cv::pointPolygonTest() in modules/imgproc/src/geometry.cpp	126	60	3
static bool ocl_boxFilter() in modules/imgproc/src/smooth.cpp	139	60	8
CV_IMPL int cvRodrigues2() in modules/calib3d/src/calibration.cpp	230	58	3
static bool ocl_filter2D() in modules/imgproc/src/filter.cpp	148	57	7
static void remapBilinear() in modules/imgproc/src/imgwarp.cpp	201	57	7
static bool ocl_minMaxIdx() in modules/core/src/stat.cpp	111	55	9
double cv::kmeans() in modules/core/src/kmeans.cpp	202	55	7
bool ExrDecoder::readData() in modules/imgcodecs/src/grfmt_exr.cpp	187	55	1
void cv::viz::vtkVizInteractorStyle::OnKeyDown() in modules/viz/src/vtk/vtkVizInteractorStyle.cpp	99	54	0
int cvFindChessboardCorners() in modules/calib3d/src/calibinit.cpp	254	54	5
cv::Scalar cv::mean() in modules/core/src/stat.cpp	137	53	2
void cv::warpAffine() in modules/imgproc/src/imgwarp.cpp	111	53	7