Viewing file:  fp-cmp-4.c (1.99 KB) -rw-r--r--
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#ifndef FLOAT
#define FLOAT double
#endif
void
test_isunordered(FLOAT x, FLOAT y, int true)
{
if (__builtin_isunordered(x, y))
{
if (! true)
abort ();
}
else
{
if (true)
abort ();
}
}
void
test_isless(FLOAT x, FLOAT y, int true)
{
if (__builtin_isless(x, y))
{
if (! true)
abort ();
}
else
{
if (true)
abort ();
}
}
void
test_islessequal(FLOAT x, FLOAT y, int true)
{
if (__builtin_islessequal(x, y))
{
if (! true)
abort ();
}
else
{
if (true)
abort ();
}
}
void
test_isgreater(FLOAT x, FLOAT y, int true)
{
if (__builtin_isgreater(x, y))
{
if (! true)
abort ();
}
else
{
if (true)
abort ();
}
}
void
test_isgreaterequal(FLOAT x, FLOAT y, int true)
{
if (__builtin_isgreaterequal(x, y))
{
if (! true)
abort ();
}
else
{
if (true)
abort ();
}
}
void
test_islessgreater(FLOAT x, FLOAT y, int true)
{
if (__builtin_islessgreater(x, y))
{
if (! true)
abort ();
}
else
{
if (true)
abort ();
}
}
#define NAN (0.0 / 0.0)
int
main()
{
struct try
{
FLOAT x, y;
unsigned unord : 1;
unsigned lt : 1;
unsigned le : 1;
unsigned gt : 1;
unsigned ge : 1;
unsigned lg : 1;
};
static struct try const data[] =
{
{ NAN, NAN, 1, 0, 0, 0, 0, 0 },
{ 0.0, NAN, 1, 0, 0, 0, 0, 0 },
{ NAN, 0.0, 1, 0, 0, 0, 0, 0 },
{ 0.0, 0.0, 0, 0, 1, 0, 1, 0 },
{ 1.0, 2.0, 0, 1, 1, 0, 0, 1 },
{ 2.0, 1.0, 0, 0, 0, 1, 1, 1 },
};
const int n = sizeof(data) / sizeof(data[0]);
int i;
for (i = 0; i < n; ++i)
{
test_isunordered (data[i].x, data[i].y, data[i].unord);
test_isless (data[i].x, data[i].y, data[i].lt);
test_islessequal (data[i].x, data[i].y, data[i].le);
test_isgreater (data[i].x, data[i].y, data[i].gt);
test_isgreaterequal (data[i].x, data[i].y, data[i].ge);
test_islessgreater (data[i].x, data[i].y, data[i].lg);
}
exit (0);
}
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