search for: millcomputing

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2016 Aug 18
5
fenv.h vs the optimizer
Howdy all, I've been playing around with programs that use the C11 fenv.h. It seems that, currently, the LLVM compiler does not regard to the exception-flag side-effects of floating point operations? When run on my macbook, the example code on http://en.cppreference.com/w/c/numeric/fenv/FE_exceptions does not print all the expected exceptions. Other examples: void foo() {