I am compiling the following code with the -ffast-math option: #include <limits> #include <开发者_如何学Gocmath>
I am doing some numerical optimization on a scientific application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a, but the call pow(a,6) is not optimized and
Hi all :) I\'m trying to get a hang on a few concepts regarding floating point, SIMD/math intrinsics and the fast-math flag for gcc. More specifically, I\'m using MinGW with gcc v4.5.0 on a x86 cpu.
While writing some test cases, and some of the tests check for the result of a NaN. I tried using std::isnan but the assert failes:
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