Joel C. Salomon Wrote: > Paul D. Anderson wrote: > > Multiplying two floats produces a number whose potential precision is the > > sum of the operands' precision. We need a method to determine what the > > precision of the product should be. Not that it's difficult to come up with > > an answer -- but we have to agree on something. > > Not more precision than the input data deserve. The decimal > floating-point numbers of the new IEEE 754-2008 carry with them a notion > of âhow precise is this result?â; this might be a good starting point > for discussion. > > âJoel Salomon
The implementation will comply with IEEE 754-2008. I just wanted to illustrate that precision can depend on the operation as well as the operands. Paul