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Reads ffprime, pprime from geqdsk file; passes through to regions, calculates Jpar0 and saves to the output grid
H.Seto noted that in the COCOS +1 convention that Hypnotoad assumes, Jpar has a minus sign.
Used to detect when outside the core plasma. Test cases have no X-points so no psi_bdry.
Use Scipy.interpolate to differentiate w.r.t psi and save to the output geqdsk file.
Jpar0 isn't in the reference grid files so integrated tests fail.
InterpolatedUnivariateSpline requires monotonically increasing X axis, so reverse sign of psi in negative Bp case.
johnomotani
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Happy for this to go in, guess it will need updating when #183 is merged.
… expected_different_vars
Updated implementation of 'fpolprime' changes the calculated curvature-related outputs outside the separatrix.
Should return 0, but in an array with the same size as the argument `psi`, not just as a float, for compatibility with later use.
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Reads ffprime, pprime from geqdsk file; passes through to regions, calculates Jpar0, and saves to the output grid.
doc/whats-new.mdwith a summary of the changes