Antonio Sanchez 2b410ecbef Workaround VS 2017 arg bug.
In VS 2017, `std::arg` for real inputs always returns 0, even for
negative inputs.  It should return `PI` for negative real values.
This seems to be fixed in VS 2019 (MSVC 1920).
2021-08-18 18:39:18 +00:00
..
2021-08-18 18:39:18 +00:00
2021-03-15 18:42:04 +00:00
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