On Saturday, 6 August 2016 at 22:32:08 UTC, Walter Bright wrote:
On 8/6/2016 3:14 PM, David Nadlinger wrote:
Of course, if floating point values are strictly defined as
having only a
minimum precision, then folding away the rounding after the
multiplication is
always legal.
Yup.
So it does make sense that allowing fused operations would be
equivalent to having no maximum precision.
Fused operations are mul/div+add/sub only.
Fused operations does not break compesator subtraction:
auto t = a - x + x;
So, please, make them as separate pragma.
