[v3] Fix some corner cases in the extraction of floats

[Paolo Carlini]

Hi,

tested x86-linux, both gnu/generic locale models.

Paolo.

///////////////
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: CL_ngf_2
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20031219/5471bc3b/attachment.ksh>
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: patch_ngf_2
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20031219/5471bc3b/attachment-0001.ksh>