3 ?RCS: Copyright (c) 2000 Jarkko Hietaniemi
5 ?RCS: You may distribute under the terms of either the GNU General Public
6 ?RCS: License or the Artistic License, as specified in the README file.
11 ?S: This variable conditionally defines the HAS_ISNANL symbol, which
12 ?S: indicates to the C program that the isnanl() routine is available.
15 ?C: This symbol, if defined, indicates that the isnanl routine is
16 ?C: available to check whether a long double is a NaN.
18 ?H:#$d_isnanl HAS_ISNANL /**/
21 : see if isnanl exists