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Any reorderings or optimizations of floating point code could potentially change the results even without 80-bit precision active.
by kevingadd 3y ago
Any reorderings or optimizations of floating point code could potentially change the results even without 80-bit precision active.
- vlovich123 3y agoAFAIK only if you have -ffast-math enabled. Otherwise IEE754 very specifically lays out all the optimizations the compiler is and isn't allowed to do.