dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Test whether tanf() exists. Assume that tanf(), if it exists, is
dnl defined in the same library as tan().
save_LIBS="$LIBS"
dnl Test whether tanf() exists. Assume that tanf(), if it exists, is
dnl defined in the same library as tan().
save_LIBS="$LIBS"