epam / ZstandardConditional 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 231 units with 4,082 lines of code in units (75.6% of code).

0 very complex units (0 lines of code)
1 complex units (125 lines of code)
21 medium complex units (1,526 lines of code)
17 simple units (812 lines of code)
192 very simple units (1,619 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
static size_t DecodeLiteralsBlock() in csharp/src/ZStdDecompress.cs	125	32	3
static seq_t DecodeSequenceLong() in csharp/src/ZStdDecompress.cs	74	23	2
static seq_t DecodeSequence() in csharp/src/ZStdDecompress.cs	69	21	2
public int readFseTable() in java/src/main/java/com/epam/deltix/zstd/FseTableReader.java	112	20	6
static size_t ZSTD_getFrameHeader_advanced() in csharp/src/ZStdDecompress.cs	71	20	4
static size_t DecompressFrame() in csharp/src/ZStdDecompress.cs	72	20	5
public static size_t ReadNCount() in csharp/src/EntropyCommon.cs	104	19	5
public static size_t FSE_decompress_usingDTable_generic() in csharp/src/FseDecompress.cs	40	18	6
private int decompressSequences() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	148	17	9
static size_t LoadEntropy() in csharp/src/ZStdDecompress.cs	65	16	3
static size_t ExecSequence() in csharp/src/ZStdDecompress.cs	75	15	8
static size_t ExecSequenceLong() in csharp/src/ZStdDecompress.cs	75	15	8
static size_t ZSTD_decompressSequencesLong_body() in csharp/src/ZStdDecompress.cs	65	15	7
public static size_t ReadStats() in csharp/src/EntropyCommon.cs	60	15	7
private static FrameHeader readFrameHeader() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	66	14	3
public static size_t InitDStream() in csharp/src/BitStream.cs	39	13	3
public static size_t HUF_decompress4X2_usingDTable_internal_body() in csharp/src/HufDecompress.cs	75	13	5
static size_t HUF_decompress4X4_usingDTable_internal_body() in csharp/src/HufDecompress.cs	72	12	5
static size_t ZSTD_decompressBlock_internal() in csharp/src/ZStdDecompress.cs	30	12	6
public static size_t HUF_readDTableX4_wksp() in csharp/src/HufDecompress.cs	93	11	5
public static size_t BuildDTable() in csharp/src/FseDecompress.cs	61	11	4
static size_t DecodeSeqHeaders() in csharp/src/ZStdDecompress.cs	60	11	4
static size_t BuildSeqTable() in csharp/src/ZStdDecompress.cs	40	10	11
static size_t ZSTD_execSequenceLast7() in csharp/src/ZStdDecompress.cs	41	10	8
static size_t ZSTD_decompressSequences_body() in csharp/src/ZStdDecompress.cs	45	10	7
static size_t DecompressMultiFrame() in csharp/src/ZStdDecompress.cs	43	9	7
public int decompress() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	56	8	6
public int readTable() in java/src/main/java/com/epam/deltix/zstd/Huffman.java	55	8	3
public void decode4Streams() in java/src/main/java/com/epam/deltix/zstd/Huffman.java	99	8	6
static void BuildFSETable() in csharp/src/ZStdDecompress.cs	67	8	6
private int decodeCompressedLiterals() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	53	7	4
static long readTail() in java/src/main/java/com/epam/deltix/zstd/BitStream.java	18	7	3
public static size_t HUF_readDTableX2_wksp() in csharp/src/HufDecompress.cs	50	7	5
public int decompress() in java/src/main/java/com/epam/deltix/zstd/FiniteStateEntropy.java	89	6	4
private int decodeRawLiterals() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	38	6	3
public boolean load() in java/src/main/java/com/epam/deltix/zstd/BitStream.java	27	6	0
public static BIT_DStream_status ReloadDStream() in csharp/src/BitStream.cs	30	6	1
public static XXH_errorcode XXH64_update_endian() in csharp/src/XxHash.cs	51	6	3
static size_t DecodeFrameHeader() in csharp/src/ZStdDecompress.cs	10	6	3
private int decodeCompressedBlock() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	31	5	7
private static void copyMatchTail() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	18	5	5
private int computeMatchLengthTable() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	24	5	4
private int computeOffsetsTable() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	24	5	4
private int computeLiteralsTable() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	24	5	4
private void executeLastSequence() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	23	5	7
private int decodeRleLiterals() in java/src/main/java/com/epam/deltix/zstd/ZstdFrameDecompressor.java	30	5	3
private void updateHash() in java/src/main/java/com/epam/deltix/zstd/XxHash64.java	22	5	3
public static size_t HUF_decodeStreamX2() in csharp/src/HufDecompress.cs	17	5	5
public static size_t HUF_decodeStreamX4() in csharp/src/HufDecompress.cs	18	5	5
public static void HUF_fillDTableX4Level2() in csharp/src/HufDecompress.cs	39	5	9