skip known math failures

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

diff --git a/src/math/ynf.c b/src/math/ynf.c
index fbd0359..8d98977 100644 (file)
--- a/src/math/ynf.c
+++ b/src/math/ynf.c
@@ -1,9 +1,12 @@
+#define _DEFAULT_SOURCE 1
+#define _BSD_SOURCE 1
 #include <stdint.h>
 #include <stdio.h>
-#include "util.h"
+#include "mtest.h"
 
 static struct fi_f t[] = {
 #include "sanity/ynf.h"
+#include "special/ynf.h"
 };
 
 int main(void)
@@ -11,7 +14,7 @@ int main(void)
        #pragma STDC FENV_ACCESS ON
        double y;
        float d;
-       int e, i, err = 0;
+       int e, i, bad, err = 0;
        struct fi_f *p;
 
        for (i = 0; i < sizeof t/sizeof *t; i++) {
@@ -25,16 +28,20 @@ int main(void)
                e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
 
                if (!checkexcept(e, p->e, p->r)) {
-                       printf("%s:%d: bad fp exception: %s ynf(%a, %lld)=%a, want %s",
-                               p->file, p->line, rstr(p->r), p->x, p->i, p->y, estr(p->e));
+                       printf("%s:%d: bad fp exception: %s ynf(%lld, %a)=%a, want %s",
+                               p->file, p->line, rstr(p->r), p->i, p->x, p->y, estr(p->e));
                        printf(" got %s\n", estr(e));
                        err++;
                }
                d = ulperrf(y, p->y, p->dy);
-               if (!checkulp(d, p->r)) {
-                       printf("%s:%d: %s ynf(%a, %lld) want %a got %a, ulperr %.3f = %a + %a\n",
-                               p->file, p->line, rstr(p->r), p->x, p->i, p->y, y, d, d-p->dy, p->dy);
-                       err++;
+               bad = p->x < 0 && !isnan(y) && y != -inf;
+               if (bad || (!(p->x < 0) && !checkulp(d, p->r))) {
+                       if (!bad && fabsf(d) < 2.5f)
+                               printf("X ");
+                       else
+                               err++;
+                       printf("%s:%d: %s ynf(%lld, %a) want %a got %a, ulperr %.3f = %a + %a\n",
+                               p->file, p->line, rstr(p->r), p->i, p->x, p->y, y, d, d-p->dy, p->dy);
                }
        }
        return !!err;