add _DEFAULT_SOURCE wherever _BSD_SOURCE was used

[libc-test] / src / math / y0.c

diff --git a/src/math/y0.c b/src/math/y0.c
index 41edba4..7470c43 100644 (file)
--- a/src/math/y0.c
+++ b/src/math/y0.c
@@ -1,14 +1,19 @@
+#define _DEFAULT_SOURCE 1
+#define _BSD_SOURCE 1
+#define _XOPEN_SOURCE 700
 #include <stdint.h>
 #include <stdio.h>
-#include "util.h"
+#include "mtest.h"
 
 static struct d_d t[] = {
 #include "sanity/y0.h"
+#include "special/y0.h"
 
 };
 
 int main(void)
 {
+       #pragma STDC FENV_ACCESS ON
        double y;
        float d;
        int e, i, err = 0;
@@ -16,9 +21,14 @@ int main(void)
 
        for (i = 0; i < sizeof t/sizeof *t; i++) {
                p = t + i;
-               setupfenv(p->r);
+
+               if (p->r < 0)
+                       continue;
+               fesetround(p->r);
+               feclearexcept(FE_ALL_EXCEPT);
                y = y0(p->x);
-               e = getexcept();
+               e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
+
                if (!checkexcept(e, p->e, p->r)) {
                        printf("%s:%d: bad fp exception: %s y0(%a)=%a, want %s",
                                p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e));
@@ -26,10 +36,13 @@ int main(void)
                        err++;
                }
                d = ulperr(y, p->y, p->dy);
-               if (!checkulp(d, p->r)) {
-                       printf("%s:%d: %s y0(%a) want %a got %a ulperr %.3f = %a + %a\n",
-                               p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
+               if ((!(p->x < 0) && !checkulp(d, p->r)) || (p->x < 0 && !isnan(y) && y != -inf)) {
+//                     printf("%s:%d: %s y0(%a) want %a got %a ulperr %.3f = %a + %a\n",
+//                             p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
                        err++;
+                       // TODO: avoid spamming the output
+                       printf(__FILE__ ": known to be broken near zeros\n");
+                       break;
                }
        }
        return !!err;