glibc/stdlib/tst-strtod6.c

69 lines
1.3 KiB
C

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static int
do_test (void)
{
static const char str[] = "NaN(blabla)something";
char *endp;
int result = 0;
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;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"