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math: fpclassify test
[libc-test]
/
src
/
math
/
tanh.c
diff --git
a/src/math/tanh.c
b/src/math/tanh.c
index
0c39c48
..
59376e1
100644
(file)
--- a/
src/math/tanh.c
+++ b/
src/math/tanh.c
@@
-10,6
+10,7
@@
static struct d_d t[] = {
int main(void)
{
int main(void)
{
+ #pragma STDC FENV_ACCESS ON
double y;
float d;
int e, i, err = 0;
double y;
float d;
int e, i, err = 0;
@@
-17,18
+18,24
@@
int main(void)
for (i = 0; i < sizeof t/sizeof *t; i++) {
p = t + i;
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 = tanh(p->x);
y = tanh(p->x);
- e = getexcept();
+ e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
+
if (!checkexcept(e, p->e, p->r)) {
if (!checkexcept(e, p->e, p->r)) {
- printf("%s tanh(%a)==%a except: want %s", rstr(p->r), p->x, p->y, estr(p->e));
+ printf("%s:%d: bad fp exception: %s tanh(%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(" got %s\n", estr(e));
err++;
}
d = ulperr(y, p->y, p->dy);
if (!checkulp(d, p->r)) {
- printf("%s tanh(%a) want %a got %a ulperr %.3f = %a + %a\n",
- rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
+ printf("%s
:%d: %s
tanh(%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++;
}
}
err++;
}
}