Bug 821: workaround MSVC 2013 issue with using Base::Base::operator=

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branch : 3.2
Fix wrong negative in nullary unit test when extended precision is used (FPU).

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branch : 3.2
Fix false negatives in geo_transformations unit tests

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branch : 3.2
SparseQR is really for rows>=columns, so let's only check such cases

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branch : 3.2
bump to 3.2.3

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branch : 3.2
Added tag 3.2.3 for changeset 36fd1ba04c12

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branch : 3.2