[Issue 416] New: regression: unittest failure in phobos, math(501)

[Don Clugston]

d-bugmail at puremagic.com wrote:
> http://d.puremagic.com/issues/show_bug.cgi?id=416
> 
>            Summary: regression: unittest failure in phobos, math(501)
>            Product: D
>            Version: 0.169
>           Platform: PC
>         OS/Version: Windows
>             Status: NEW
>           Severity: normal
>           Priority: P2
>          Component: DMD
>         AssignedTo: bugzilla at digitalmars.com
>         ReportedBy: lio at lunesu.com
> 
> 
> Phobos build flags (win32.mak):
> CFLAGS=-g -mn -6 -r
> DFLAGS=-unittest -g -w
> 
> unittest
> Error: AssertError Failure math(501)
> 
> The offending line in std/math.d:
> assert(isNegZero(atanh(-real.infinity))); 
> 
> The assert was there in 0.168 but did not fail then.

I don't know how it passed before. The new compiler is correct!
That line should be changed to:
assert(isnan(atanh(-real.infinity)));

It was my mistake in the original code that I submitted.