-#include "test.h"
-#include <math.h>
#include <stdint.h>
-#include <fenv.h>
#include <stdio.h>
-#include <float.h>
+#include "util.h"
+
+static struct di_d t[] = {
+#include "sanity/scalbn.h"
-static struct {
- double x;
- int n;
- double y;
-} t[] = {
- 0.0, 0, 0.0,
- -0.0, 0, -0.0,
- 0.0, -1234567, 0.0,
- -0.0, 1234567, -0.0,
- 0x1.234p0, 13, 0x1.234p13,
- 0x1.234p0, -13, 0x1.234p-13,
- -0x1.234p1, 137, -0x1.234p138,
- -0x1.234p1, -137, -0x1.234p-136,
- 0x1.234p1023, 1, INFINITY,
- 0x1.234p1023, -1022, 0x1.234p1,
- 0x1.234p1023, -1023, 0x1.234p0,
- 0x1.234p1023, -1024, 0x1.234p-1,
- 0x1.234p1023, -2023, 0x1.234p-1000,
- 0x1.234p1023, -2045, 0x1.234p-1022,
- 0x1.234p1023, -2046, 0x1.234p-1023,
- 0x1.234p1023, -2048, 0x1.234p-1025,
- 0x1.234p1023, -2049, 0x1.234p-1026,
- 0x1p1023, -2096, 0x1p-1073,
- 0x1p1023, -2097, 0x1p-1074,
- 0x1p1023, -2098, 0,
- 0x1.234p-1022, 1022, 0x1.234p0,
- 0x1.234p-1022, 2045, 0x1.234p1023,
- 0x1p-1074, 2097, 0x1p1023,
- 0x1p-1074, 2098, INFINITY,
- 0x1p-1074, 1, 0x1p-1073,
- 0x1p-1073, -1, 0x1p-1074,
- 0x1p-1074, -1, 0,
};
-void test_scalbn()
+int main(void)
{
- int i;
+ #pragma STDC FENV_ACCESS ON
double y;
+ float d;
+ int e, i, err = 0;
+ struct di_d *p;
for (i = 0; i < sizeof t/sizeof *t; i++) {
- y = scalbn(t[i].x, t[i].n);
- if (y != t[i].y)
- error("scalbn(%a,%d) want %a got %a\n", t[i].x, t[i].n, t[i].y, y);
- }
-}
-
-void bench_scalbn_simple(int N)
-{
- int i;
- volatile double y;
+ p = t + i;
- for (i = 0; i < N; i++) {
- y = scalbn(1.25, 73);
- }
-}
-
-void bench_scalbn_hard(int N)
-{
- int i;
- volatile double y;
+ if (p->r < 0)
+ continue;
+ fesetround(p->r);
+ feclearexcept(FE_ALL_EXCEPT);
+ y = scalbn(p->x, p->i);
+ e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
- for (i = 0; i < N; i++) {
- y = scalbn(0x1.23p-1050, 2070);
+ if (!checkexcept(e, p->e, p->r)) {
+ printf("%s:%d: bad fp exception: %s scalbn(%a, %lld)=%a, want %s",
+ p->file, p->line, rstr(p->r), p->x, p->i, 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 scalbn(%a, %lld) want %a got %a, ulperr %.3f = %a + %a\n",
+ p->file, p->line, rstr(p->r), p->x, p->i, p->y, y, d, d-p->dy, p->dy);
+ err++;
+ }
}
+ return !!err;
}