dnl Test whether ldexpf() exists. We cannot assume that ldexpf(), if it
dnl exists, is defined in the same library as ldexp(). This is not the case
dnl on FreeBSD, NetBSD, OpenBSD.
dnl Test whether ldexpf() exists. We cannot assume that ldexpf(), if it
dnl exists, is defined in the same library as ldexp(). This is not the case
dnl on FreeBSD, NetBSD, OpenBSD.