Accuracy of floating point calculations

[berni44]

On Tuesday, 29 October 2019 at 20:15:13 UTC, kinke wrote:
> Note that there's at least one bugzilla for these float/double 
> math overloads already. For a start, one could simply wrap the 
> corresponding C functions.

I guess, that this issue: 
https://issues.dlang.org/show_bug.cgi?id=20206 boils down to the 
same problem. I allready found out, that it's high likely that 
the bug is not to be found inside std.complex but probably the 
log function.