-#include "test.h"
-#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "mtest.h"
-void bench_acos(int N)
+static struct d_d t[] = {
+#include "crlibm/acos.h"
+#include "ucb/acos.h"
+#include "sanity/acos.h"
+#include "special/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;
}