[libgfortran,patch] Widen default formats for formatted output of floating-point numbers

[Jerry DeLisle]

FX Coudert wrote:
> Attached patch follows the point of Dominique who showed that our 
> default formats for formatted floating-point output aren't wide enough 
> to allow writing and reading back values.  I've widened the formats for 
> kinds 4, 8 and 10, after checking on x86_64-linux; the testcase is also 
> an extension of what Dominique posted in the PR. I haven't fixed the 
> case of real(kind=16) yet, because it's more complicated there (see, 
> once again, Dominique's testing in the PR). It seemed that there is no 
> reason to wait for the real(kind=16) issue to be resolved to check in 
> that patch, so I submit it here for review.
> 
> Bootstrapped on x86_64-linux, regtest is still progressing (but a 
> previous version did regtest fine), OK to commit if no error show up?
> 
> Thanks,
> FX
> 
> 
> :ADDPATCH libgfortran:
FX,

Looks OK, I tested here with and without patch.  Good to go.

Jerry