[Bug c++/29597] log expression returns different results when casting

2006-10-26 Thread bangerth at dealii dot org 


--- Comment #2 from bangerth at dealii dot org  2006-10-26 06:39 ---
To be more concrete: (int)(expression) rounds down. So if your quotient
of logarithms happens to be computed to 5.999, then you
will get a result of 5 after casting to int. You should round results,
not just cast them.

W.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29597

[Bug c++/29597] log expression returns different results when casting

2006-10-25 Thread pinskia at gcc dot gnu dot org 


--- Comment #1 from pinskia at gcc dot gnu dot org  2006-10-25 22:05 ---
This comes from precission of the floating point.

*** This bug has been marked as a duplicate of 323 ***


-- 

pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution||DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29597