Menezes, Evandro wrote: > Besides, you're also comparing 80-bit calculations with 64-bit > calculations, not only the accuracy of sin and cos. Try using > -ffloat-store along with -mfpmath=387 and see yet another set of > results. At the end of the day, which one do you trust? I wouldn't > trust my check balance to x87 microcode... ;-)
I wouldn;t trust my bank accounts to the x87 under any circumstances; anyone doing exact math should be using fixed-point. Different programs have different requirements. I don't understand why GCC needs to be one-size fits all, when it could be *better* than the competition by taking a broader and more flexible view. ..Scott
