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

["bangerth at dealii dot org" <gcc-bugzilla@gcc.gnu.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 5.999999999999999, then you
will get a result of 5 after casting to int. You should round results,
not just cast them.

W.


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

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