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Gone are pj_malloc, pj_calloc, pj_dalloc and pj_dealloc. Their primary
function as API memory functions in proj_api.h is no longer there and
the other use as a workaround for old errno problems is no longer valid
either.
Replaced with malloc and free across the codebase.
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* Allow arbitrarily complex polygons in geod_polygon_*. In the case
of self-intersecting polygons the area is accumulated
"algebraically", e.g., the areas of the 2 loops in a figure-8
polygon will partially cancel.
* Simplify code by using C99 functions remainder and remquo.
* More test coverage.
Fixes to associated files:
* src/pipeline.cpp invoke geod_init with f = es / (1 + sqrt(1 - es))
instead of (the less accurate) f = 1 - sqrt(1 - es)
* src/apps/geod_set.cpp remove "#undef f" (a dangling relic?).
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projections/ transformations/ tests/ subdirectories
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