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      1 /*	$NetBSD: math.h,v 1.10 2024/10/30 15:56:12 riastradh Exp $	*/
      2 
      3 #ifndef _VAX_MATH_H_
      4 #define _VAX_MATH_H_
      5 
      6 #include <sys/cdefs.h>
      7 #include <sys/featuretest.h>
      8 
      9 #if __GNUC_PREREQ__(3, 3)
     10 #define	__INFINITY	__builtin_huge_valf()
     11 #else
     12 #define	__INFINITY	1.0E+39F
     13 #endif
     14 
     15 static __inline int __isinf(double __x __unused) { return 0; }
     16 static __inline int __isnan(double __x __unused) { return 0; }
     17 #define	__HAVE_INLINE___ISINF
     18 #define	__HAVE_INLINE___ISNAN
     19 
     20 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
     21     !defined(_XOPEN_SOURCE) || \
     22     ((__STDC_VERSION__ - 0) >= 199901L) || \
     23     ((_POSIX_C_SOURCE - 0) >= 200112L) || \
     24     ((_XOPEN_SOURCE  - 0) >= 600) || \
     25     defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
     26 /* 7.12#6 number classification macros; machine-specific classes */
     27 #define	FP_DIRTYZERO	0x80
     28 #define	FP_ROP		0x81
     29 #endif
     30 
     31 #endif /* _VAX_MATH_H_ */
     32