On Jan 31, 2020, at 08:31, David Kastrup <d...@gnu.org> wrote: > -fexcess-precision=style > This option allows further control over excess precision on > machines where floating-point operations occur in a format > with more precision or range than the IEEE standard and > interchange floating-point types. By default, > -fexcess-precision=fast is in effect; this means that > operations may be carried out in a wider precision than the > types specified in the source if that would result in faster > code, and it is unpredictable when rounding to the types > specified in the source code takes place.
This sounds promising. > -fexcess-precision=standard is not implemented for languages > other than C. Never mind. — Dan
