2018-04-11 0:13 GMT-03:00 David Rowley <david.row...@2ndquadrant.com>: > I can recreate this when building with MSVC 2012. I confirm that I see > the same as you. Microsoft are setting errno to EDOM in the above 3 > cases, where in Linux the result is still NaN, just the errno is not > set. > FWIW, I tested in MSVC 2017 (15.6.4) and it worked like expected. Looking at [1], it seems there could be nasty bugs when using math functions in MSVC < 2013 (or 2015). I don't have some older MSVC here to try /fp:OPTIONHERE [2] to see if it makes any difference.
[1] https://docs.microsoft.com/en-us/cpp/porting/floating-point-migration-issues [2] https://msdn.microsoft.com/pt-br/library/e7s85ffb.aspx -- Euler Taveira Timbira - http://www.timbira.com.br/ PostgreSQL: Consultoria, Desenvolvimento, Suporte 24x7 e Treinamento