Re: gnulib warnings when compiling Faddeeva.cc

[John W. Eaton]

On 14-Dec-2012, Steven G. Johnson wrote:

| b) use <cmath> and GNULIB_NAMESPACE::floor; this may be nonportable 
| since it assumes that the system <cmath> header includes math.h and is 
| compatible with the gnulib math.h

I'd prefer this option.  We've not had portability problems using this
approach.

jwe