#include <gsl/gsl_sf.h>
#include <limits.h>
#include <math.h>
-#include "bool.h"
+#include <stdbool.h>
#include "case.h"
#include "data-in.h"
#include "dictionary.h"
#include "var.h"
#include "vfm.h"
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
static inline double check_errno (double x)
{
return errno == 0 ? x : SYSMIS;