[[
#include <stdlib.h>
#include <math.h>
-static float foo = NAN;
+static double foo = NAN;
]],
[[
if (isnan (foo))
#include <stdlib.h>
#define __USE_ISOC99 1
#include <math.h>
-static float foo = NAN;
+static double foo = NAN;
]],
[[
if (isnan (foo))
#ifndef isnan
# define isnan(f) ((f) != (f))
#endif
-static float foo = NAN;
+static double foo = NAN;
]],
[[
if (isnan (foo))
# include "config.h"
#endif
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-
-#ifndef _POSIX_C_SOURCE
-# define _POSIX_C_SOURCE 200112L
-#endif
-
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 600
-#endif
-
#if !defined(__GNUC__) || !__GNUC__
# define __attribute__(x) /**/
#endif
#include <string.h>
#include <strings.h>
#include <assert.h>
-#include <math.h>
+
+#if NAN_STATIC_DEFAULT
+# include <math.h>
+/* #endif NAN_STATIC_DEFAULT*/
+#elif NAN_STATIC_ISOC
+# ifndef __USE_ISOC99
+# define DISABLE_ISOC99 1
+# define __USE_ISOC99 1
+# endif /* !defined(__USE_ISOC99) */
+# include <math.h>
+# if DISABLE_ISOC99
+# undef DISABLE_ISOC99
+# undef __USE_ISOC99
+# endif /* DISABLE_ISOC99 */
+/* #endif NAN_STATIC_ISOC */
+#elif NAN_ZERO_ZERO
+# include <math.h>
+# ifdef NAN
+# undef NAN
+# endif
+# define NAN (0.0 / 0.0)
+# ifndef isnan
+# define isnan(f) ((f) != (f))
+# endif /* !defined(isnan) */
+# ifndef isfinite
+# define isfinite(f) (((f) - (f)) == 0.0)
+# endif
+# ifndef isinf
+# define isinf(f) (!isfinite(f) && !isnan(f))
+# endif
+#endif /* NAN_ZERO_ZERO */
#include "libcollectdclient/client.h"
# include "config.h"
#endif
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-
-#ifndef _POSIX_C_SOURCE
-# define _POSIX_C_SOURCE 200112L
-#endif
-
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 600
-#endif
-
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <errno.h>
-#include <math.h>
-#include "libcollectdclient/client.h"
+#if NAN_STATIC_DEFAULT
+# include <math.h>
+/* #endif NAN_STATIC_DEFAULT*/
+#elif NAN_STATIC_ISOC
+# ifndef __USE_ISOC99
+# define DISABLE_ISOC99 1
+# define __USE_ISOC99 1
+# endif /* !defined(__USE_ISOC99) */
+# include <math.h>
+# if DISABLE_ISOC99
+# undef DISABLE_ISOC99
+# undef __USE_ISOC99
+# endif /* DISABLE_ISOC99 */
+/* #endif NAN_STATIC_ISOC */
+#elif NAN_ZERO_ZERO
+# include <math.h>
+# ifdef NAN
+# undef NAN
+# endif
+# define NAN (0.0 / 0.0)
+# ifndef isnan
+# define isnan(f) ((f) != (f))
+# endif /* !defined(isnan) */
+# ifndef isfinite
+# define isfinite(f) (((f) - (f)) == 0.0)
+# endif
+# ifndef isinf
+# define isinf(f) (!isfinite(f) && !isnan(f))
+# endif
+#endif /* NAN_ZERO_ZERO */
+#include "libcollectdclient/client.h"
#define DEFAULT_SOCK LOCALSTATEDIR"/run/"PACKAGE_NAME"-unixsock"