1 /* $NetBSD: nanf.c,v 1.4 2009/02/22 01:34:02 martin Exp $ */ 2 3 #include <sys/cdefs.h> 4 #if defined(LIBC_SCCS) && !defined(lint) 5 __RCSID("$NetBSD: nanf.c,v 1.4 2009/02/22 01:34:02 martin Exp $"); 6 #endif /* LIBC_SCCS and not lint */ 7 8 #include <math.h> 9 #include <machine/endian.h> 10 11 /* bytes for quiet NaN (IEEE single precision) */ 12 const union __float_u __nanf = 13 #if BYTE_ORDER == BIG_ENDIAN 14 { { 0x7f, 0xa0, 0, 0 } }; 15 #else 16 { { 0, 0, 0xa0, 0x7f } }; 17 #endif 18 19 __warn_references(__nanf, "warning: <math.h> defines NAN incorrectly for your compiler.") 20