completely revamped partial derivatives computation in numerical propagation

added a way to perform numerical propagation in either cartesian parameters or equinoctial parameters

.gitignore

+.classpath
+.project
+bin
+

checkstyle.xml

@@ -11,16 +11,15 @@
         <module name="FallThrough"/>
         <module name="FinalLocalVariable"/>
         <module name="FinalParameters"/>
-        <module name="GenericIllegalRegexp">
-            <property name="format" value="\s$"/>
-            <property name="message" value="spurious spaces at end of line"/>
+        <module name="Regexp">
+            <property name="format" value="[ \t]+$"/>
+            <property name="illegalPattern" value="true"/>
+            <property name="message" value="Trailing whitespace"/>
         </module>
-        <module name="GenericIllegalRegexp">
+        <module name="Regexp">
             <property name="format" value="System\.out\.println"/>
-            <property name="message" value="forbidden print to standard output"/>
-        </module>
-        <module name="RegexpHeader">
-          <property name="headerFile" value="license-header.txt" />
+            <property name="illegalPattern" value="true"/>
+            <property name="ignoreComments" value="true"/>
         </module>
         <module name="HiddenField">
             <property name="ignoreConstructorParameter" value="true"/>
@@ -55,7 +54,6 @@
         </module>
         <module name="RedundantModifier"/>
         <module name="StringLiteralEquality"/>
-        <module name="TabCharacter"/>
         <module name="TodoComment"/>
         <module name="UnnecessaryParentheses"/>
         <module name="UnusedImports"/>
@@ -74,6 +72,10 @@
         </module>
         <module name="FileContentsHolder"/>
     </module>
+    <module name="RegexpHeader">
+      <property name="headerFile" value="license-header.txt" />
+    </module>
+    <module name="FileTabCharacter"/>
     <module name="NewlineAtEndOfFile"/>
     <module name="SuppressionCommentFilter">
         <property name="offCommentFormat" value="CHECKSTYLE\: stop JavadocVariable check"/>

findbugs-exclude-filter.xml

@@ -63,11 +63,40 @@
     <Bug pattern="DLS_DEAD_LOCAL_STORE" />
   </Match>
 
-  <!-- The following equality test is intentional and needed for semantic purposes -->
+  <!-- The following equality tests are intentional and needed for semantic purposes -->
   <Match>
     <Class name="org.orekit.time.TimeComponents" />
     <Method name="equals" params="java.lang.Object" returns="boolean" />
     <Bug pattern="FE_FLOATING_POINT_EQUALITY" />
   </Match>
+  <Match>
+    <Class name="org.orekit.orbits.KeplerianOrbit"/>
+    <Method name ="eMeSinE" params="double" returns="double" />
+    <Bug pattern="FE_FLOATING_POINT_EQUALITY" />
+  </Match>
+
+  <!-- The following internal representation exposure are intentional,
+       They are used to pass data back and forth between classes
+    -->
+  <Match>
+    <Class name="org.orekit.propagation.numerical.AdditionalStateAndEquations"/>
+    <Method name ="getAdditionalState" params="" returns="double[]" />
+    <Bug pattern="EI_EXPOSE_REP" />
+  </Match>
+  <Match>
+    <Class name="org.orekit.propagation.numerical.AdditionalStateAndEquations"/>
+    <Method name ="getAdditionalStateDot" params="" returns="double[]" />
+    <Bug pattern="EI_EXPOSE_REP" />
+  </Match>
+  <Match>
+    <Class name="org.orekit.propagation.numerical.TimeDerivativesEquationsCartesian"/>
+    <Method name ="initDerivatives" params="double[],org.orekit.orbits.Orbit" returns="void" />
+    <Bug pattern="EI_EXPOSE_REP2" />
+  </Match>
+  <Match>
+    <Class name="org.orekit.propagation.numerical.TimeDerivativesEquationsEquinoctial"/>
+    <Method name ="initDerivatives" params="double[],org.orekit.orbits.Orbit" returns="void" />
+    <Bug pattern="EI_EXPOSE_REP2" />
+  </Match>
 
 </FindBugsFilter>

pom.xml

@@ -133,7 +133,7 @@
   	<dependency>
   		<groupId>junit</groupId>
   		<artifactId>junit</artifactId>
-  		<version>4.4</version>
+  		<version>4.8.1</version>
   		<type>jar</type>
   		<scope>test</scope>
   		<optional>false</optional>
@@ -144,7 +144,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.2-beta-4</version>
+        <version>2.2-beta-5</version>
         <configuration>
           <descriptors>
             <descriptor>src/main/assembly/source-assembly.xml</descriptor>
@@ -155,7 +155,7 @@
       <plugin>
         <groupId>org.apache.felix</groupId>
         <artifactId>maven-bundle-plugin</artifactId>
-        <version>2.0.1</version>
+        <version>2.1.0</version>
         <extensions>true</extensions>
         <configuration>
           <instructions>
@@ -181,7 +181,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>2.0.2</version>
+        <version>2.3.1</version>
         <configuration>
           <source>1.5</source>
           <target>1.5</target>
@@ -190,7 +190,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-site-plugin</artifactId>
-        <version>2.0.1</version>
+        <version>2.1.1</version>
         <configuration>
           <inputEncoding>UTF-8</inputEncoding>
           <outputEncoding>UTF-8</outputEncoding>
@@ -199,12 +199,12 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>cobertura-maven-plugin</artifactId>
-        <version>2.3</version>
+        <version>2.4</version>
       </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>findbugs-maven-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.3.1</version>
         <configuration>
           <threshold>Normal</threshold>
           <effort>Default</effort>
@@ -214,22 +214,22 @@
        <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.4.3</version>
+        <version>2.5</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
-        <version>2.3</version>
+        <version>2.5</version>
         <configuration>
           <encoding>UTF-8</encoding>
-          <configLocation>checkstyle.xml</configLocation>
+          <configLocation>${basedir}/checkstyle.xml</configLocation>
           <enableRulesSummary>false</enableRulesSummary>
         </configuration>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changes-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.3</version>
         <configuration>
           <xmlPath>${basedir}/src/site/xdoc/changes.xml</xmlPath>
         </configuration>
@@ -244,7 +244,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jxr-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.2</version>
         <configuration>
           <outputEncoding>UTF-8</outputEncoding>
           <linkJavadoc>false</linkJavadoc>
@@ -253,7 +253,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.6</version>
+        <version>2.7</version>
         <configuration>
           <overview>${basedir}/src/main/java/org/orekit/overview.html</overview>
           <links>
@@ -283,7 +283,7 @@
            <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>
-            <version>2.1</version>
+            <version>2.1.2</version>
             <executions>
               <execution>
                 <id>create-source-jar</id>

src/main/java/org/orekit/attitudes/LofOffset.java

@@ -75,9 +75,9 @@ public class LofOffset implements AttitudeLaw {
      *   // note the call to revert in the following statement
      *   double[] angles = offsetProper.revert().getAngles(order);
      *
-     *   System.out.println(alpha1 + " == " + angles[0]);  
-     *   System.out.println(alpha2 + " == " + angles[1]);  
-     *   System.out.println(alpha3 + " == " + angles[2]);  
+     *   System.out.println(alpha1 + " == " + angles[0]);
+     *   System.out.println(alpha2 + " == " + angles[1]);
+     *   System.out.println(alpha3 + " == " + angles[2]);
      * </pre>
      * @param order order of rotations to use for (alpha1, alpha2, alpha3) composition
      * @param alpha1 angle of the first elementary rotation

src/main/java/org/orekit/bodies/AbstractCelestialBody.java

@@ -44,6 +44,9 @@ public abstract class AbstractCelestialBody implements CelestialBody {
     /** Serializable UID. */
     private static final long serialVersionUID = 6769512376971866660L;
 
+    /** Name of the body. */
+    private final String name;
+
     /** Attraction coefficient of the body (m<sup>3</sup>/s<sup>2</sup>). */
     private final double gm;
 
@@ -60,15 +63,17 @@ public abstract class AbstractCelestialBody implements CelestialBody {
     private final Frame bodyFrame;
 
     /** Build an instance and the underlying frame.
+     * @param name name of the body
      * @param gm attraction coefficient (in m<sup>3</sup>/s<sup>2</sup>)
      * @param iauPole IAU pole implementation
      * @param definingFrame frame in which celestial body coordinates are defined
      * @param inertialFrameName name to use for inertially oriented body centered frame
      * @param bodyFrameName name to use for body oriented body centered frame
      */
-    protected AbstractCelestialBody(final double gm, final IAUPole iauPole,
-                                    final Frame definingFrame,
+    protected AbstractCelestialBody(final String name, final double gm,
+                                    final IAUPole iauPole, final Frame definingFrame,
                                     final String inertialFrameName, String bodyFrameName) {
+        this.name          = name;
         this.gm            = gm;
         this.iauPole       = iauPole;
         this.definingFrame = definingFrame;
@@ -76,6 +81,11 @@ public abstract class AbstractCelestialBody implements CelestialBody {
         this.bodyFrame     = new BodyOrientedFrame(bodyFrameName);
     }
 
+    /** {@inheritDoc} */
+    public String getName() {
+        return name;
+    }
+
     /** {@inheritDoc} */
     public double getGM() {
         return gm;