http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48047
Tobias Burnus <burnus at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |burnus at gcc dot gnu.org --- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-03-09 19:06:12 UTC --- For what it is worth: On x86-64-linux (openSUSE Factory, GLIBC 2.11.3), I get: Got: 0.142857142857142849212692681248881854120 Expected: 0.142857142857142849212692681248881854116 Got: 0.142857142857142849212692681248881854120 Expected: 0.142857142857142849212692681248881854117 Using ifort 11.1 on the same machine: Got: 0.142857142857142849212692681248881854100 Expected: 0.142857142857142849212692681248881854116 Got: 0.142857142857142849212692681248881854200 Expected: 0.142857142857142849212692681248881854117 Using crayftn 7.2.4, I get on another x86-64-linux (SLES 10/Cray): Got: 0.142857142857142849000000000000000000000 Expected: 0.142857142857142849212692681248881854116 Got: +.142857142857142849000000000000000000000 Expected: 0.142857142857142849212692681248881854117 My impression is that all twelve numbers are numerically identical and lead to the same binary representation. Hence, I believe the three compilers print the correct result.