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http://geographiclib.sourceforge.net/1.44/C/index.html
The changes are:
- Improve accuracy of calculations by evaluating trigonometric
functions more carefully and replacing the series for the reduced
length with one with a smaller truncation error.
- The allowed ranges for longitudes and azimuths is now unlimited; it
used to be [-540d, 540d).
- Enforce the restriction of latitude to [-90d, 90d] by returning NaNs
if the latitude is outside this range.
- The inverse calculation sets s12 to zero for coincident points at
pole (instead of returning a tiny quantity).
This commit also includes a work-around for an inaccurate value for
pi/180 in dmstor.c (see the definitions of DEG_IN and DEG_OUT in
geod_interface.c).
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Syncs geodesic routines with GeographicLib. Adds geodesic.3 man page.
geod_* api exposed publically. geodesic.h is installed.
git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@2333 4e78687f-474d-0410-85f9-8d5e500ac6b2
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git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@2297 4e78687f-474d-0410-85f9-8d5e500ac6b2
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