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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static int
test (const char str[])
{
char *endp;
int result = 0;
puts (str);
double d = strtod (str, &endp);
if (!isnan (d))
{
puts ("strtod did not return NAN");
result = 1;
}
if (issignaling (d))
{
puts ("strtod returned a sNAN");
result = 1;
}
if (strcmp (endp, "something") != 0)
{
puts ("strtod set incorrect end pointer");
result = 1;
}
float f = strtof (str, &endp);
if (!isnanf (f))
{
puts ("strtof did not return NAN");
result = 1;
}
if (issignaling (f))
{
puts ("strtof returned a sNAN");
result = 1;
}
if (strcmp (endp, "something") != 0)
{
puts ("strtof set incorrect end pointer");
result = 1;
}
long double ld = strtold (str, &endp);
if (!isnan (ld))
{
puts ("strtold did not return NAN");
result = 1;
}
if (issignaling (ld))
{
puts ("strtold returned a sNAN");
result = 1;
}
if (strcmp (endp, "something") != 0)
{
puts ("strtold set incorrect end pointer");
result = 1;
}
return result;
}
static int
do_test (void)
{
int result = 0;
result |= test ("NaN(blabla)something");
result |= test ("NaN(1234)something");
/* UINT32_MAX. */
result |= test ("NaN(4294967295)something");
/* UINT64_MAX. */
result |= test ("NaN(18446744073709551615)something");
/* The case of zero is special in that "something" has to be done to make the
mantissa different from zero, which would mean infinity instead of
NaN. */
result |= test ("NaN(0)something");
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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