> Edit: Thinking about it, it the days of 80-bit x87 FPUs, strictly following the standard (specifically, always rounding to 64 bits after every operation) may

> Edit: Thinking about it, it the days of 80-bit x87 FPUs, strictly following the standard (specifically, always rounding to 64 bits after every operation) may have been prohibitively expensive afaik you could just set the precision of x87 to 32/64/80 bits and there would not be any extra cost to the operations