X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Facos.c;h=09c1dd2dd8941bd5d207e3450ec0c122b0d2a02f;hb=9c6efc03eba4568ba9f1672a2bb0c50a047edd8e;hp=c38d7f2e7a991aa6395d106ec07c1bf0f5e6500f;hpb=0c7d465f8b04e9db61c2c9a32510799c19ec0503;p=libc-test

diff --git a/src/math/acos.c b/src/math/acos.c
index c38d7f2..09c1dd2 100644
--- a/src/math/acos.c
+++ b/src/math/acos.c
@@ -1,12 +1,44 @@
-#include "test.h"
-#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "util.h"
 
-void bench_acos(int N)
+static struct d_d t[] = {
+#include "crlibm/acos.h"
+#include "ucb/acos.h"
+#include "sanity/acos.h"
+
+};
+
+int main(void)
 {
-	int i;
-	volatile double y;
+	#pragma STDC FENV_ACCESS ON
+	double y;
+	float d;
+	int e, i, err = 0;
+	struct d_d *p;
+
+	for (i = 0; i < sizeof t/sizeof *t; i++) {
+		p = t + i;
+
+		if (p->r < 0)
+			continue;
+		fesetround(p->r);
+		feclearexcept(FE_ALL_EXCEPT);
+		y = acos(p->x);
+		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
 
-	for (i = 0; i < N; i++) {
-		y = acos(0.3456);
+		if (!checkexcept(e, p->e, p->r)) {
+			printf("%s:%d: bad fp exception: %s acos(%a)=%a, want %s",
+				p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e));
+			printf(" got %s\n", estr(e));
+			err++;
+		}
+		d = ulperr(y, p->y, p->dy);
+		if (!checkulp(d, p->r)) {
+			printf("%s:%d: %s acos(%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++;
+		}
 	}
+	return !!err;
 }