skip known math failures

[libc-test] / src / math / y0f.c

diff --git a/src/math/y0f.c b/src/math/y0f.c
index 4ab4883..d015279 100644 (file)
--- a/src/math/y0f.c
+++ b/src/math/y0f.c
@@ -15,7 +15,7 @@ int main(void)
        #pragma STDC FENV_ACCESS ON
        float y;
        float d;
-       int e, i, err = 0;
+       int e, i, bad, err = 0;
        struct f_f *p;
 
        for (i = 0; i < sizeof t/sizeof *t; i++) {
@@ -35,13 +35,14 @@ int main(void)
                        err++;
                }
                d = ulperrf(y, p->y, p->dy);
-               if ((!(p->x < 0) && !checkulp(d, p->r)) || (p->x < 0 && !isnan(y) && y != -inf)) {
-//                     printf("%s:%d: %s y0f(%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;
+               bad = p->x < 0 && !isnan(y) && y != -inf;
+               if (bad || (!(p->x < 0) && !checkulp(d, p->r))) {
+                       if (!bad && fabsf(d) < 0x1p23f)
+                               printf("X ");
+                       else
+                               err++;
+                       printf("%s:%d: %s y0f(%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);
                }
        }
        return !!err;