-#include "test.h"
-#include <math.h>
#include <stdint.h>
-#include <fenv.h>
#include <stdio.h>
-#include <float.h>
-#include "fenvutil.h"
+#include "mtest.h"
+
+static struct d_i t[] = {
+#include "sanity/lrint.h"
+#include "special/lrint.h"
-static struct {
- int round;
- double x;
- long n;
- int except;
-} t[] = {
-FE_TONEAREST, 0x0p+0, 0, 0,
-FE_DOWNWARD, 0x0p+0, 0, 0,
-FE_UPWARD, 0x0p+0, 0, 0,
-FE_TOWARDZERO, 0x0p+0, 0, 0,
-FE_TONEAREST, 0x1p-2, 0, FE_INEXACT,
-FE_DOWNWARD, 0x1p-2, 0, FE_INEXACT,
-FE_UPWARD, 0x1p-2, 1, FE_INEXACT,
-FE_TOWARDZERO, 0x1p-2, 0, FE_INEXACT,
-FE_TONEAREST, -0x1p-2, 0, FE_INEXACT,
-FE_DOWNWARD, -0x1p-2, -1, FE_INEXACT,
-FE_UPWARD, -0x1p-2, 0, FE_INEXACT,
-FE_TOWARDZERO, -0x1p-2, 0, FE_INEXACT,
-FE_TONEAREST, 0x1p-1, 0, FE_INEXACT,
-FE_DOWNWARD, 0x1p-1, 0, FE_INEXACT,
-FE_UPWARD, 0x1p-1, 1, FE_INEXACT,
-FE_TOWARDZERO, 0x1p-1, 0, FE_INEXACT,
-FE_TONEAREST, -0x1p-1, 0, FE_INEXACT,
-FE_DOWNWARD, -0x1p-1, -1, FE_INEXACT,
-FE_UPWARD, -0x1p-1, 0, FE_INEXACT,
-FE_TOWARDZERO, -0x1p-1, 0, FE_INEXACT,
-FE_TONEAREST, 0x1.8p-1, 1, FE_INEXACT,
-FE_DOWNWARD, 0x1.8p-1, 0, FE_INEXACT,
-FE_UPWARD, 0x1.8p-1, 1, FE_INEXACT,
-FE_TOWARDZERO, 0x1.8p-1, 0, FE_INEXACT,
-FE_TONEAREST, -0x1.8p-1, -1, FE_INEXACT,
-FE_DOWNWARD, -0x1.8p-1, -1, FE_INEXACT,
-FE_UPWARD, -0x1.8p-1, 0, FE_INEXACT,
-FE_TOWARDZERO, -0x1.8p-1, 0, FE_INEXACT,
-FE_TONEAREST, 0x1p+0, 1, 0,
-FE_DOWNWARD, 0x1p+0, 1, 0,
-FE_UPWARD, 0x1p+0, 1, 0,
-FE_TOWARDZERO, 0x1p+0, 1, 0,
-FE_TONEAREST, -0x1p+0, -1, 0,
-FE_DOWNWARD, -0x1p+0, -1, 0,
-FE_UPWARD, -0x1p+0, -1, 0,
-FE_TOWARDZERO, -0x1p+0, -1, 0,
-FE_TONEAREST, 0x1.4p+0, 1, FE_INEXACT,
-FE_DOWNWARD, 0x1.4p+0, 1, FE_INEXACT,
-FE_UPWARD, 0x1.4p+0, 2, FE_INEXACT,
-FE_TOWARDZERO, 0x1.4p+0, 1, FE_INEXACT,
-FE_TONEAREST, -0x1.4p+0, -1, FE_INEXACT,
-FE_DOWNWARD, -0x1.4p+0, -2, FE_INEXACT,
-FE_UPWARD, -0x1.4p+0, -1, FE_INEXACT,
-FE_TOWARDZERO, -0x1.4p+0, -1, FE_INEXACT,
-FE_TONEAREST, 0x1p+30, 1073741824, 0,
-FE_DOWNWARD, 0x1p+30, 1073741824, 0,
-FE_UPWARD, 0x1p+30, 1073741824, 0,
-FE_TOWARDZERO, 0x1p+30, 1073741824, 0,
-FE_TONEAREST, -0x1p+30, -1073741824, 0,
-FE_DOWNWARD, -0x1p+30, -1073741824, 0,
-FE_UPWARD, -0x1p+30, -1073741824, 0,
-FE_TOWARDZERO, -0x1p+30, -1073741824, 0,
-FE_TONEAREST, 0x1.fffffffcp+30, 2147483647, 0,
-FE_DOWNWARD, 0x1.fffffffcp+30, 2147483647, 0,
-FE_UPWARD, 0x1.fffffffcp+30, 2147483647, 0,
-FE_TOWARDZERO, 0x1.fffffffcp+30, 2147483647, 0,
-FE_TONEAREST, -0x1.fffffffcp+30, -2147483647, 0,
-FE_DOWNWARD, -0x1.fffffffcp+30, -2147483647, 0,
-FE_UPWARD, -0x1.fffffffcp+30, -2147483647, 0,
-FE_TOWARDZERO, -0x1.fffffffcp+30, -2147483647, 0,
-FE_TONEAREST, 0x1p+31, 0, FE_INVALID,
-FE_DOWNWARD, 0x1p+31, 0, FE_INVALID,
-FE_UPWARD, 0x1p+31, 0, FE_INVALID,
-FE_TOWARDZERO, 0x1p+31, 0, FE_INVALID,
-FE_TONEAREST, -0x1p+31, -2147483648, 0,
-FE_DOWNWARD, -0x1p+31, -2147483648, 0,
-FE_UPWARD, -0x1p+31, -2147483648, 0,
-FE_TOWARDZERO, -0x1p+31, -2147483648, 0,
-FE_TONEAREST, 0x1.00000002p+31, 0, FE_INVALID,
-FE_DOWNWARD, 0x1.00000002p+31, 0, FE_INVALID,
-FE_UPWARD, 0x1.00000002p+31, 0, FE_INVALID,
-FE_TOWARDZERO, 0x1.00000002p+31, 0, FE_INVALID,
-FE_TONEAREST, -0x1.00000002p+31, 0, FE_INVALID,
-FE_DOWNWARD, -0x1.00000002p+31, 0, FE_INVALID,
-FE_UPWARD, -0x1.00000002p+31, 0, FE_INVALID,
-FE_TOWARDZERO, -0x1.00000002p+31, 0, FE_INVALID,
-FE_TONEAREST, 0x1.fffffffep+30, 0, FE_INVALID,
-FE_DOWNWARD, 0x1.fffffffep+30, 2147483647, FE_INEXACT,
-FE_UPWARD, 0x1.fffffffep+30, 0, FE_INVALID,
-FE_TOWARDZERO, 0x1.fffffffep+30, 2147483647, FE_INEXACT,
-FE_TONEAREST, -0x1.fffffffep+30, -2147483648, FE_INEXACT,
-FE_DOWNWARD, -0x1.fffffffep+30, -2147483648, FE_INEXACT,
-FE_UPWARD, -0x1.fffffffep+30, -2147483647, FE_INEXACT,
-FE_TOWARDZERO, -0x1.fffffffep+30, -2147483647, FE_INEXACT,
-FE_TONEAREST, 0x1.00000001p+31, 0, FE_INVALID,
-FE_DOWNWARD, 0x1.00000001p+31, 0, FE_INVALID,
-FE_UPWARD, 0x1.00000001p+31, 0, FE_INVALID,
-FE_TOWARDZERO, 0x1.00000001p+31, 0, FE_INVALID,
-FE_TONEAREST, -0x1.00000001p+31, -2147483648, FE_INEXACT,
-FE_DOWNWARD, -0x1.00000001p+31, 0, FE_INVALID,
-FE_UPWARD, -0x1.00000001p+31, -2147483648, FE_INEXACT,
-FE_TOWARDZERO, -0x1.00000001p+31, -2147483648, FE_INEXACT,
-FE_TONEAREST, 0x1p+32, 0, FE_INVALID,
-FE_DOWNWARD, 0x1p+32, 0, FE_INVALID,
-FE_UPWARD, 0x1p+32, 0, FE_INVALID,
-FE_TOWARDZERO, 0x1p+32, 0, FE_INVALID,
-FE_TONEAREST, -0x1p+32, 0, FE_INVALID,
-FE_DOWNWARD, -0x1p+32, 0, FE_INVALID,
-FE_UPWARD, -0x1p+32, 0, FE_INVALID,
-FE_TOWARDZERO, -0x1p+32, 0, FE_INVALID,
-FE_TONEAREST, 0x1.ffffffffp+31, 0, FE_INVALID,
-FE_DOWNWARD, 0x1.ffffffffp+31, 0, FE_INVALID,
-FE_UPWARD, 0x1.ffffffffp+31, 0, FE_INVALID,
-FE_TOWARDZERO, 0x1.ffffffffp+31, 0, FE_INVALID,
-FE_TONEAREST, -0x1.ffffffffp+31, 0, FE_INVALID,
-FE_DOWNWARD, -0x1.ffffffffp+31, 0, FE_INVALID,
-FE_UPWARD, -0x1.ffffffffp+31, 0, FE_INVALID,
-FE_TOWARDZERO, -0x1.ffffffffp+31, 0, FE_INVALID,
};
-void test_lrint()
+int main(void)
{
- int f, i;
- long n;
+ #pragma STDC FENV_ACCESS ON
+ long long yi;
+ int e, i, err = 0;
+ struct d_i *p;
for (i = 0; i < sizeof t/sizeof *t; i++) {
- fesetround(t[i].round);
- feclearexcept(FE_ALL_EXCEPT);
- n = lrint(t[i].x);
- f = fetestexcept(FE_ALL_EXCEPT);
-
- if (t[i].except != FE_INVALID && n != t[i].n)
- error("round=%s, lrint(%a) want %ld got %ld\n", strround(t[i].round), t[i].x, t[i].n, n);
- if (f != t[i].except)
- error("round=%s, lrint(%a)==%ld want except=%s, got except=%s\n",
- strround(t[i].round), t[i].x, t[i].n, strdup(strexcept(t[i].except)), strdup(strexcept(f)));
- }
-}
-
-void bench_lrint_simple(int N)
-{
- int i;
- volatile int n;
+ p = t + i;
- for (i = 0; i < N; i++) {
- n = lrint(1.25);
- }
-}
-
-void bench_lrint_hard(int N)
-{
- int i;
- volatile int n;
-
- for (i = 0; i < N; i++) {
-// feclearexcept(FE_ALL_EXCEPT);
-// n = lrint(1.5);
-// n = lrint(0x1p32);
-// n = lrint(-0x1p31);
- n = lrint(0x1p31+0.5);
+ if (p->r < 0)
+ continue;
+ fesetround(p->r);
+ feclearexcept(FE_ALL_EXCEPT);
+ yi = lrint(p->x);
+ e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
+
+ if (!checkexcept(e, p->e, p->r)) {
+ printf("%s:%d: bad fp exception: %s lrint(%a)=%lld, want %s",
+ p->file, p->line, rstr(p->r), p->x, p->i, estr(p->e));
+ printf(" got %s\n", estr(e));
+ err++;
+ }
+ if (!(p->e&INVALID) && yi != p->i) {
+ printf("%s:%d: %s lrint(%a) want %lld got %lld\n",
+ p->file, p->line, rstr(p->r), p->x, p->i, yi);
+ err++;
+ }
}
+ return !!err;
}
projects / libc-test / blobdiff