===============================================================================
Spotbugs XML Output
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  <BugInstance type="EC_UNRELATED_TYPES" priority="2" rank="3" abbrev="EC" category="CORRECTNESS" instanceHash="7e1b885eb0269c380a40fbe4fa9f043a" instanceOccurrenceNum="0" instanceOccurrenceMax="0">
    <ShortMessage>Call to equals() comparing different types</ShortMessage>
    <LongMessage>Call to fit.ScientificDouble.equals(Double) in fit.ScientificDoubleTest.testScientificDouble()</LongMessage>
    <Class classname="fit.ScientificDoubleTest" primary="true">
      <SourceLine classname="fit.ScientificDoubleTest" start="8" end="25" sourcefile="ScientificDoubleTest.java" sourcepath="fit/ScientificDoubleTest.java" relSourcepath="fit/ScientificDoubleTest.java">
        <Message>At ScientificDoubleTest.java:[lines 8-25]</Message>
      </SourceLine>
      <Message>In class fit.ScientificDoubleTest</Message>
    </Class>
    <Method classname="fit.ScientificDoubleTest" name="testScientificDouble" signature="()V" isStatic="false" primary="true">
      <SourceLine classname="fit.ScientificDoubleTest" start="10" end="25" startBytecode="0" endBytecode="82" sourcefile="ScientificDoubleTest.java" sourcepath="fit/ScientificDoubleTest.java" relSourcepath="fit/ScientificDoubleTest.java"/>
      <Message>In method fit.ScientificDoubleTest.testScientificDouble()</Message>
    </Method>
    <Type descriptor="Ljava/lang/Double;" role="TYPE_FOUND">
      <SourceLine classname="java.lang.Double" start="49" end="1053" sourcefile="Double.java" sourcepath="java/lang/Double.java">
        <Message>At Double.java:[lines 49-1053]</Message>
      </SourceLine>
      <Message>Actual type Double</Message>
    </Type>
    <Type descriptor="Lfit/ScientificDouble;" role="TYPE_EXPECTED">
      <SourceLine classname="fit.ScientificDouble" start="11" end="83" sourcefile="ScientificDouble.java" sourcepath="fit/ScientificDouble.java" relSourcepath="fit/ScientificDouble.java">
        <Message>At ScientificDouble.java:[lines 11-83]</Message>
      </SourceLine>
      <Message>Expected fit.ScientificDouble</Message>
    </Type>
    <Method classname="java.lang.Double" name="&lt;init&gt;" signature="(D)V" isStatic="false" role="METHOD_RETURN_VALUE_OF">
      <SourceLine classname="java.lang.Double" start="592" end="594" startBytecode="0" endBytecode="41" sourcefile="Double.java" sourcepath="java/lang/Double.java"/>
      <Message>Return value of new Double(double) of type void</Message>
    </Method>
    <Method classname="fit.ScientificDouble" name="valueOf" signature="(Ljava/lang/String;)Lfit/ScientificDouble;" isStatic="true" role="METHOD_RETURN_VALUE_OF">
      <SourceLine classname="fit.ScientificDouble" start="23" end="25" startBytecode="0" endBytecode="81" sourcefile="ScientificDouble.java" sourcepath="fit/ScientificDouble.java" relSourcepath="fit/ScientificDouble.java"/>
      <Message>Return value of fit.ScientificDouble.valueOf(String) of type fit.ScientificDouble</Message>
    </Method>
    <Method classname="fit.ScientificDouble" name="equals" signature="(Ljava/lang/Object;)Z" isStatic="false" role="METHOD_EQUALS_USED">
      <SourceLine classname="fit.ScientificDouble" start="51" end="52" startBytecode="0" endBytecode="90" sourcefile="ScientificDouble.java" sourcepath="fit/ScientificDouble.java" relSourcepath="fit/ScientificDouble.java"/>
      <Message>fit.ScientificDouble.equals(Object) used to determine equality</Message>
    </Method>
    <Method classname="fit.ScientificDoubleTest" name="assertEquals" signature="(Ljava/lang/Object;Ljava/lang/Object;)V" isStatic="true" role="METHOD_CALLED">
      <SourceLine classname="fit.ScientificDoubleTest" sourcefile="ScientificDoubleTest.java" sourcepath="fit/ScientificDoubleTest.java" relSourcepath="fit/ScientificDoubleTest.java"/>
      <Message>Called method fit.ScientificDoubleTest.assertEquals(Object, Object)</Message>
    </Method>
    <SourceLine classname="fit.ScientificDoubleTest" primary="true" start="20" end="20" startBytecode="119" endBytecode="119" sourcefile="ScientificDoubleTest.java" sourcepath="fit/ScientificDoubleTest.java" relSourcepath="fit/ScientificDoubleTest.java">
      <Message>At ScientificDoubleTest.java:[line 20]</Message>
    </SourceLine>
    <SourceLine classname="fit.ScientificDoubleTest" start="21" end="21" startBytecode="137" endBytecode="137" sourcefile="ScientificDoubleTest.java" sourcepath="fit/ScientificDoubleTest.java" relSourcepath="fit/ScientificDoubleTest.java" role="SOURCE_LINE_ANOTHER_INSTANCE">
      <Message>Another occurrence at ScientificDoubleTest.java:[line 21]</Message>
    </SourceLine>
    <SourceLine classname="fit.ScientificDoubleTest" start="22" end="22" startBytecode="155" endBytecode="155" sourcefile="ScientificDoubleTest.java" sourcepath="fit/ScientificDoubleTest.java" relSourcepath="fit/ScientificDoubleTest.java" role="SOURCE_LINE_ANOTHER_INSTANCE">
      <Message>Another occurrence at ScientificDoubleTest.java:[line 22]</Message>
    </SourceLine>
  </BugInstance>

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Code Snippet of ScientificDoubleTest.java:
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  8 public class ScientificDoubleTest extends TestCase {
  9   public void testScientificDouble() {
 10     Double pi = new Double(3.141592653589793);
 11     assertEquals(ScientificDouble.valueOf("3.14"), pi);
 12     assertEquals(ScientificDouble.valueOf("3.142"), pi);
 13     assertEquals(ScientificDouble.valueOf("3.1416"), pi);
 14     assertEquals(ScientificDouble.valueOf("3.14159"), pi);
 15     assertEquals(ScientificDouble.valueOf("3.141592653589793"), pi);
 16     assertFalse(ScientificDouble.valueOf("3.140").equals(pi));
 17     assertFalse(ScientificDouble.valueOf("3.144").equals(pi));
 18     assertFalse(ScientificDouble.valueOf("3.1414").equals(pi));
 19     assertFalse(ScientificDouble.valueOf("3.141592863").equals(pi));
 20     assertEquals(ScientificDouble.valueOf("6.02e23"), new Double(6.02e23));
 21     assertEquals(ScientificDouble.valueOf("6.02E23"), new Double(6.024E23));
 22     assertEquals(ScientificDouble.valueOf("6.02e23"), new Double(6.016e23));
 23     assertFalse(ScientificDouble.valueOf("6.02e23").equals(new Double(6.026e23)));
 24     assertFalse(ScientificDouble.valueOf("6.02e23").equals(new Double(6.014e23)));
 25   }
 26 
 27 }