[Patch, Fortran] Rework of floating point number reading

[Thomas Koenig]

On Tue, 2008-12-30 at 09:37 +0100, Daniel Kraft wrote:

> 3.) Keep using strtod; I'm quite sure we can speed up the existing
> code 
> still significantly by optimizing how the string passed to strtod is 
> constructed.

What about using the glibc strtod as a base, and adjust it to Fortran?
The glibc copyright is already with the FSF, so I wouldn't expect legal
problems, but, of course, IANAL.

	Thomas