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