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.
8 ?MAKE:d_fpclass: Inlibc
11 ?S: This variable conditionally defines the HAS_FPCLASS symbol, which
12 ?S: indicates to the C program that the fpclass() routine is available.
15 ?C: This symbol, if defined, indicates that the fpclass routine is
16 ?C: available to classify doubles. Available for example in Solaris/SVR4.
17 ?C: The returned values are defined in <ieeefp.h> and are:
19 ?C: FP_SNAN signaling NaN
21 ?C: FP_NINF negative infinity
22 ?C: FP_PINF positive infinity
23 ?C: FP_NDENORM negative denormalized non-zero
24 ?C: FP_PDENORM positive denormalized non-zero
25 ?C: FP_NZERO negative zero
26 ?C: FP_PZERO positive zero
27 ?C: FP_NNORM negative normalized non-zero
28 ?C: FP_PNORM positive normalized non-zero
30 ?H:#$d_fpclass HAS_FPCLASS /**/
33 : see if fpclass exists