glibc/stdio-common/bug16.c

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#include <array_length.h>
#include <stdio.h>
#include <string.h>
struct
{
long double val;
const char str[4][7];
} tests[] =
{
{ 0x0.FFFFp+0L, { "0X1P+0", "0X2P-1", "0X4P-2", "0X8P-3" } },
{ 0x0.FFFFp+1L, { "0X1P+1", "0X2P+0", "0X4P-1", "0X8P-2" } },
{ 0x0.FFFFp+2L, { "0X1P+2", "0X2P+1", "0X4P+0", "0X8P-1" } },
{ 0x0.FFFFp+3L, { "0X1P+3", "0X2P+2", "0X4P+1", "0X8P+0" } }
};
static int
do_test (void)
{
char buf[100];
int ret = 0;
for (size_t i = 0; i < array_length (tests); ++i)
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{
snprintf (buf, sizeof (buf), "%.0LA", tests[i].val);
size_t j;
for (j = 0; j < 4; ++j)
if (strcmp (buf, tests[i].str[j]) == 0)
break;
if (j == 4)
{
printf ("%zd: got \"%s\", expected \"%s\" or equivalent\n",
i, buf, tests[i].str[0]);
ret = 1;
}
}
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"