Switched from Apache Commons Math to Hipparchus.

BUILDING.txt

NOTICE.txt

README.txt

build.xml

pom.xml

src/design/dsst-propagator-class-diagram.puml

src/design/orbit-determination-overview-class-diagram.puml

src/design/propagator-conversion-class-diagram.puml

src/design/tessellation-class-diagram.puml

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

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

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

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

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

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

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

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

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

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

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