summaryrefslogtreecommitdiff
path: root/sys/arch/alpha/include/math.h
blob: bcfd98b4527093fc79a6e9db024e50ce6a9156f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
/*	$NetBSD: math.h,v 1.3 2000/02/05 14:04:36 kleink Exp $	*/

/*
 * ISO C99
 */
#if !defined(_ANSI_SOURCE) && \
    (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
     defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L)
extern __const char	__nanf[];
#define	NAN		(*(__const float *)(__const void *)__nanf)
#endif