if (isZero() || val.isZero()) { int sign1 = isZero()? zeroSign : value.signum(); int sign2 = val.isZero() ? val.zeroSign : val.value.signum(); return newZero(runtime, sign1 * sign2); }
if (isInfinity() || val.isInfinity()) { int sign1 = isInfinity() ? infinitySign : value.signum(); int sign2 = val.isInfinity() ? val.infinitySign : val.value.signum(); return newInfinity(runtime, sign1 * sign2); }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyBigDecimal.java File path: /jruby-1.4.0/src/org/jruby/RubyBigDecimal.java
Method name: IRubyObject mult2(ThreadContext, IRubyObject, IRubyObject) Method name: IRubyObject mult2(ThreadContext, IRubyObject, IRubyObject)
Number of AST nodes: 4 Number of AST nodes: 4
1
if (isZero() || val.isZero()) {
1
if (isInfinity() || val.isInfinity()) {
2
            int sign1 = isZero()? zeroSign : value.signum();
2
            int sign1 = isInfinity() ? infinitySign : value.signum();
3
            int sign2 = val.isZero() ?  val.zeroSign : val.value.signum();
3
            int sign2 = val.isInfinity() ? val.infinitySign : val.value.signum();
4
            return newZero(runtime, sign1 * sign2);
4
            return newInfinity(runtime, sign1 * sign2);
5
        }
5
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in the same method
Number of node comparisons16
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    10
    if (isZero() || val.isZero())
    10
    if (isZero() || val.isZero())
    14
    if (isInfinity() || val.isInfinity())
    Differences
    Expression1Expression2Difference
    isZeroisInfinityMETHOD_INVOCATION_NAME_MISMATCH
    isZeroisInfinityMETHOD_INVOCATION_NAME_MISMATCH
    14
    if (isInfinity() || val.isInfinity())
    11
    int sign1 = isZero() ? zeroSign : value.signum();
    11
    int sign1 = isZero() ? zeroSign : value.signum();
    15
    int sign1 = isInfinity() ? infinitySign : value.signum();
    Differences
    Expression1Expression2Difference
    isZeroisInfinityMETHOD_INVOCATION_NAME_MISMATCH
    zeroSigninfinitySignVARIABLE_NAME_MISMATCH
    15
    int sign1 = isInfinity() ? infinitySign : value.signum();
    12
    int sign2 = val.isZero() ? val.zeroSign : val.value.signum();
    12
    int sign2 = val.isZero() ? val.zeroSign : val.value.signum();
    16
    int sign2 = val.isInfinity() ? val.infinitySign : val.value.signum();
    Differences
    Expression1Expression2Difference
    isZeroisInfinityMETHOD_INVOCATION_NAME_MISMATCH
    zeroSigninfinitySignVARIABLE_NAME_MISMATCH
    16
    int sign2 = val.isInfinity() ? val.infinitySign : val.value.signum();
    13
    return newZero(runtime, sign1 * sign2);
    13
    return newZero(runtime, sign1 * sign2);
    17
    return newInfinity(runtime, sign1 * sign2);
    Differences
    Expression1Expression2Difference
    newZeronewInfinityMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression newZero(runtime,sign1 * sign2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method newZero
    Expression newInfinity(runtime,sign1 * sign2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method newInfinity
    17
    return newInfinity(runtime, sign1 * sign2);
    Precondition Violations (2)
    Row Violation
    1Expression newZero(runtime,sign1 * sign2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression newInfinity(runtime,sign1 * sign2) cannot be parameterized, because it has dependencies to/from statements that will be extracted