potential error in fdlibm asin

Lindenmaier, Goetz goetz.lindenmaier at sap.com
Mon Dec 5 15:43:22 UTC 2016


Ah, you mean it sets some status in the processor?
If the if is always executed the code is all fine. 
I'll remove the unnecessary 'else' and add a comment 'Never reached' behind the if.

Thanks for your help!

Best regards,
  Goetz.

> -----Original Message-----
> From: Andrew Haley [mailto:aph at redhat.com]
> Sent: Montag, 5. Dezember 2016 15:54
> To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>; core-libs-
> dev at openjdk.java.net
> Subject: Re: potential error in fdlibm asin
> 
> On 05/12/16 13:29, Lindenmaier, Goetz wrote:
> > does anybody know for which x
> >   huge+x>one
> > does _not_hold?  Where
> >   huge =  1.000e+300,
> >   one =  1.00000000000000000000e+00
> >   |x| < 2**-27
> 
> There is nothing.  That branch is always taken; the only purpose is to try
> to set the inexact flag if x != 0.
> 
> Andrew.



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