if (values == null) { throw new IllegalArgumentException("Null 'values' argument."); } double result = Double.NaN; int count = values.size(); if (count > 0) { if (count % 2 == 1) { if (count > 1) { result = Statistics.calculateMedian(values, 0, count / 2); } else { result = Statistics.calculateMedian(values, 0, 0); } } else { result = Statistics.calculateMedian(values, 0, count / 2 - 1); } } return result;
if (values == null) { throw new IllegalArgumentException("Null 'values' argument."); } double result = Double.NaN; int count = values.size(); if (count > 0) { if (count % 2 == 1) { if (count > 1) { result = Statistics.calculateMedian(values, count / 2, count - 1); } else { result = Statistics.calculateMedian(values, 0, 0); } } else { result = Statistics.calculateMedian(values, count / 2, count - 1); } } return result;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/BoxAndWhiskerCalculator.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/BoxAndWhiskerCalculator.java
Method name: double calculateQ1(List) Method name: double calculateQ3(List)
Number of AST nodes: 11 Number of AST nodes: 11
1
if (values == null) {
1
if (values == null) {
2
            throw new IllegalArgumentException("Null 'values' argument.");
2
            throw new IllegalArgumentException("Null 'values' argument.");
3
        }
3
        }
4
        
5
        double result = Double.NaN;
4
        double result = Double.NaN;
6
        int count = values.size();
5
        int count = values.size();
7
        if (count > 0) {
6
        if (count > 0) {
8
            if (count % 2 == 1) {
7
            if (count % 2 == 1) {
9
                if (count > 1) {
8
                if (count > 1) {
10
                    result = Statistics.calculateMedian(values, 0, count / 2
9
                    result = Statistics.calculateMedian(values, count / 2, 
11
);
10
                            count - 1);
12
                }
11
                }
13
                else {
12
                else {
14
                    result = Statistics.calculateMedian(values, 0, 0);
13
                    result = Statistics.calculateMedian(values, 0, 0);
15
                }
14
                }
16
            }
15
            }
17
            else {
16
            else {
18
                result = Statistics.calculateMedian(values, 0, count / 2 - 1);
17
                result = Statistics.calculateMedian(values, count / 2, 
19
            }
18
                        count - 1);
20
            
19
            }
21
        }
20
        }
22
        return result;
21
        return result;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.3
Clones locationClones are declared in the same class
Number of node comparisons27
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (values == null)
    1
    if (values == null)
    2
    throw new IllegalArgumentException("Null 'values' argument.");
    2
    throw new IllegalArgumentException("Null 'values' argument.");
    3
    double result = Double.NaN;
    3
    double result = Double.NaN;
    4
    int count = values.size();
    4
    int count = values.size();
    5
    if (count > 0)
    5
    if (count > 0)
    6
    if (count % 2 == 1)
    6
    if (count % 2 == 1)
    7
    if (count > 1)
    7
    if (count > 1)
    8
    result = Statistics.calculateMedian(values, 0, count / 2);
    8
    result = Statistics.calculateMedian(values, 0, count / 2);
    8
    result = Statistics.calculateMedian(values, count / 2, count - 1);
    Differences
    Expression1Expression2Difference
    0count / 2TYPE_COMPATIBLE_REPLACEMENT
    21LITERAL_VALUE_MISMATCH
    /-OPERATOR_MISMATCH
    Preondition Violations
    Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression count - 1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    result = Statistics.calculateMedian(values, count / 2, count - 1);
    else
    else
    9
    result = Statistics.calculateMedian(values, 0, 0);
    9
    result = Statistics.calculateMedian(values, 0, 0);
    else
    else
    10
    result = Statistics.calculateMedian(values, 0, count / 2 - 1);
    10
    result = Statistics.calculateMedian(values, 0, count / 2 - 1);
    10
    result = Statistics.calculateMedian(values, count / 2, count - 1);
    Differences
    Expression1Expression2Difference
    0count / 2TYPE_COMPATIBLE_REPLACEMENT
    count / 2countINFIX_LEFT_OPERAND_MISMATCH
    Preondition Violations
    Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression count cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    result = Statistics.calculateMedian(values, count / 2, count - 1);
    11
    return result;
    11
    return result;
    Precondition Violations (6)
    Row Violation
    1Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression count - 1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression count / 2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression count cannot be parameterized, because it has dependencies to/from statements that will be extracted