diff options
Diffstat (limited to 'sysdeps/ieee754/k_standard.c')
| -rw-r--r-- | sysdeps/ieee754/k_standard.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/sysdeps/ieee754/k_standard.c b/sysdeps/ieee754/k_standard.c index 8f906bd604..f74f9c712e 100644 --- a/sysdeps/ieee754/k_standard.c +++ b/sysdeps/ieee754/k_standard.c @@ -21,23 +21,25 @@ static char rcsid[] = "$NetBSD: k_standard.c,v 1.6 1995/05/10 20:46:35 jtc Exp $ #include <assert.h> -#ifndef _USE_WRITE -#include <stdio.h> /* fputs(), stderr */ -#define WRITE2(u,v) fputs(u, stderr) -#else /* !defined(_USE_WRITE) */ -#include <unistd.h> /* write */ -#define WRITE2(u,v) write(2, u, v) -#undef fflush -#endif /* !defined(_USE_WRITE) */ +#if LIBM_SVID_COMPAT + +# ifndef _USE_WRITE +# include <stdio.h> /* fputs(), stderr */ +# define WRITE2(u,v) fputs(u, stderr) +# else /* !defined(_USE_WRITE) */ +# include <unistd.h> /* write */ +# define WRITE2(u,v) write(2, u, v) +# undef fflush +# endif /* !defined(_USE_WRITE) */ /* XXX gcc versions until now don't delay the 0.0/0.0 division until runtime but produce NaN at compile time. This is wrong since the exceptions are not set correctly. */ -#if 0 +# if 0 static const double zero = 0.0; /* used as const */ -#else +# else static double zero = 0.0; /* used as const */ -#endif +# endif /* * Standard conformance (non-IEEE) on exception cases. @@ -97,21 +99,21 @@ double __kernel_standard(double x, double y, int type) { struct exception exc; -#ifndef HUGE_VAL /* this is the only routine that uses HUGE_VAL */ -#define HUGE_VAL inf +# ifndef HUGE_VAL /* this is the only routine that uses HUGE_VAL */ +# define HUGE_VAL inf double inf = 0.0; SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ -#endif +# endif /* The SVID struct exception uses a field "char *name;". */ -#define CSTR(func) ((char *) (type < 100 \ +# define CSTR(func) ((char *) (type < 100 \ ? func \ : (type < 200 ? func "f" : func "l"))) -#ifdef _USE_WRITE +# ifdef _USE_WRITE (void) fflush(stdout); -#endif +# endif exc.arg1 = x; exc.arg2 = y; switch(type) { @@ -945,3 +947,4 @@ __kernel_standard(double x, double y, int type) } return exc.retval; } +#endif |