math.h revision 1.1
11.1Sbjh21/* $NetBSD: math.h,v 1.1 2001/01/10 19:02:07 bjh21 Exp $ */ 21.1Sbjh21 31.1Sbjh21/* 41.1Sbjh21 * ISO C99 51.1Sbjh21 */ 61.1Sbjh21#if !defined(_ANSI_SOURCE) && \ 71.1Sbjh21 (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \ 81.1Sbjh21 defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L) 91.1Sbjh21extern __const char __nanf[]; 101.1Sbjh21#define NAN (*(__const float *)(__const void *)__nanf) 111.1Sbjh21#endif 12