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c++ Programming Glossary: ffloatGCC problem with raw double type comparisons http://stackoverflow.com/questions/2497825/gcc-problem-with-raw-double-type-comparisons in the bug report a possible resolution is to use the ffloat store option. I've tried this and it works however the results..
GCC: program doesn't work with compilation option -O3 http://stackoverflow.com/questions/280069/gcc-program-doesnt-work-with-compilation-option-o3 answer I can say that perhaps what you are looking for is ffloat store . ffloat store Do not store floating point variables in.. that perhaps what you are looking for is ffloat store . ffloat store Do not store floating point variables in registers and.. rely on the precise definition of IEEE floating point. Use ffloat store for such programs after modifying them to store all pertinent..
Is this an g++ optimization bug? http://stackoverflow.com/questions/7517588/is-this-an-g-optimization-bug Further question I was wondering should I always turn on ffloat store option Because the g version I tested is shipped with.. rounded from 80 bit precision to 64 bit precision. Use the ffloat store gcc option to get the same floating point results with.. from 80 bit to 64 bit precision. man gcc says it all ffloat store Do not store floating point variables in registers and..
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