dnl Copyright (C) 2011-2012 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl Copyright (C) 2011-2012 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
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"