math: fix some invalid checks (remquo, lrint, lround, y0, y1, yn)

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

diff --git a/src/math/y0.c b/src/math/y0.c
index d098064..f175f62 100644 (file)
--- a/src/math/y0.c
+++ b/src/math/y0.c
@@ -33,7 +33,7 @@ int main(void)
                        err++;
                }
                d = ulperr(y, p->y, p->dy);
-               if (!checkulp(d, p->r)) {
+               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++;