[Bug middle-end/19775] [3.4/4.0 regression] sqrt(pow(x,y)) != pow(x,y*0.5) (with -ffast-math)

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-03 
15:14 -------
Confirmed but you forgot the most important thing (even though you did say this 
on the mailing lists), 
the options you used to reproduce the failure.

 -funsafe-math-optimizations is needed to reproduce this.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |normal
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-02-03 15:15:00
               date|                            |
            Summary|[3.4/4.0 regression]        |[3.4/4.0 regression]
                   |sqrt(pow(x,y)) !=           |sqrt(pow(x,y)) !=
                   |pow(x,y*0.5)                |pow(x,y*0.5) (with -ffast-
                   |                            |math)
   Target Milestone|---                         |3.4.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19775