25 lines
479 B
C
25 lines
479 B
C
|
/* Test pseudo-denormal operations. */
|
||
|
|
||
|
#include <stdint.h>
|
||
|
#include <stdio.h>
|
||
|
|
||
|
union u {
|
||
|
struct { uint64_t sig; uint16_t sign_exp; } s;
|
||
|
long double ld;
|
||
|
};
|
||
|
|
||
|
volatile union u ld_pseudo_m16382 = { .s = { UINT64_C(1) << 63, 0 } };
|
||
|
|
||
|
volatile long double ld_res;
|
||
|
|
||
|
int main(void)
|
||
|
{
|
||
|
int ret = 0;
|
||
|
ld_res = ld_pseudo_m16382.ld + ld_pseudo_m16382.ld;
|
||
|
if (ld_res != 0x1p-16381L) {
|
||
|
printf("FAIL: pseudo-denormal add\n");
|
||
|
ret = 1;
|
||
|
}
|
||
|
return ret;
|
||
|
}
|