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geometry/test
Adeel Ahmad 2cba2fa83f [test] Calculate geodesic scale (M12) using high precision arithmetic
Instructions for building GeographicLib are given here:
https://geographiclib.sourceforge.io/html/highprec.html

It requires the use of libquadmath package, which is present
in g++-7 by default. The cmake command used is:
cmake -DCMAKE_CXX_COMPILER=g++-7 -DGEOGRAPHICLIB_PRECISION=4 ..

Internally, GeographicLib makes use of float128 as part of Boost
Multiprecision library. To output full precision values, use:
std::setprecision(std::numeric_limits<float128>::max_digits10)
2018-06-12 12:00:52 +05:00
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