X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=blobdiff_plain;f=src%2Fmath%2Fy0f.c;h=7bd78a6fc589fef8d49298ce4459852b388e2e88;hp=4ff83f76ddd086837df76017de4557334a422794;hb=2c671f66e28ac079ae1148f5135c9a52129cc807;hpb=457b0dbfc1d72080f6ba9fe47cd712e0f090732a

diff --git a/src/math/y0f.c b/src/math/y0f.c
index 4ff83f7..7bd78a6 100644
--- a/src/math/y0f.c
+++ b/src/math/y0f.c
@@ -1,14 +1,19 @@
+#define _DEFAULT_SOURCE 1
+#define _BSD_SOURCE 1
+#define _GNU_SOURCE 1
 #include <stdint.h>
 #include <stdio.h>
-#include "util.h"
+#include "mtest.h"
 
 static struct f_f t[] = {
 #include "sanity/y0f.h"
+#include "special/y0f.h"
 
 };
 
 int main(void)
 {
+	#pragma STDC FENV_ACCESS ON
 	float 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 = y0f(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 y0f(%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 = ulperrf(y, p->y, p->dy);
-		if (!checkulp(d, p->r)) {
-			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);
+		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;
 		}
 	}
 	return !!err;