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Bugfixes for midpoint and democratic helio/WHDS integrations

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@marblestation marblestation released this 21 Mar 01:13
· 133 commits to master since this release
v2018.03.20
2824678
  • Corrected midpoint integrator which was not correctly computing the second part of the integration (it was not using positions and velocities increased by half step)
  • Midpoint limited to gravitational and additional accelerations
  • Removed the central body acceleration addition to planets (inertial) when using democratic heliocentric or WHDS (not necessary, verified with Mercury-T and Posidonius with all coordinate system tests)
  • Additional accelerations are computed and added directly to the inertial system

The same input file as v2017.12.04 can and should be used with this version.

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