skip known math failures

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

diff --git a/src/math/frexp.c b/src/math/frexp.c
index 19bc401..5ba58ff 100644 (file)
--- a/src/math/frexp.c
+++ b/src/math/frexp.c
@@ -1,14 +1,16 @@
 #include <stdint.h>
 #include <stdio.h>
-#include "util.h"
+#include "mtest.h"
 
 static struct d_di t[] = {
 #include "sanity/frexp.h"
+#include "special/frexp.h"
 
 };
 
 int main(void)
 {
+       #pragma STDC FENV_ACCESS ON
        int yi;
        double y;
        float d;
@@ -17,17 +19,22 @@ 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 = frexp(p->x, &yi);
-               e = getexcept();
-               if (!checkexcept(e, p->e, p->r)) {
+               e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
+
+               if (!checkexceptall(e, p->e, p->r)) {
                        printf("%s:%d: bad fp exception: %s frexp(%a)=%a,%lld, want %s",
                                p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e));
                        printf(" got %s\n", estr(e));
                        err++;
                }
                d = ulperr(y, p->y, p->dy);
-               if (!checkulp(d, p->r) || yi != p->i) {
+               if (!checkcr(y, p->y, p->r) || (isfinite(p->x) && yi != p->i)) {
                        printf("%s:%d: %s frexp(%a) want %a,%lld got %a,%d ulperr %.3f = %a + %a\n",
                                p->file, p->line, rstr(p->r), p->x, p->y, p->i, y, yi, d, d-p->dy, p->dy);
                        err++;