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ahbarnett / mpspack

2D Helmholtz scattering and eigenvalue problems via particular solutions and integral equations
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option to choose Matlab's besselj in regfbbasis #4

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
Since layerpot.eval with Jfilter scheme seems to demand high relative
accuracy on J Bessels near the origin, which recursivebessel doesn't yet
provide, we should extend regfb.usegsl to allow 3 ways to eval J Bessels:
Matlab native (slow), recursivebessel (fast, but not good rel error near
origin), GSL (fast, good rel error, but may not be installed).
If GSL is selected, but not installed, it should downgrade to Matlab native.

Original issue reported on code.google.com by alex.h.b...@gmail.com on 22 Jan 2009 at 1:13

GoogleCodeExporter commented 9 years ago

Original comment by alex.h.b...@gmail.com on 16 Jul 2009 at 6:08