Viewing file:  fp-cmp-5.c (2.37 KB) -rw-r--r--
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/* Like fp-cmp-4.c, but test that the setcc patterns are correct. */
static int
test_isunordered(double x, double y)
{
return __builtin_isunordered(x, y);
}
static int
test_not_isunordered(double x, double y)
{
return !__builtin_isunordered(x, y);
}
static int
test_isless(double x, double y)
{
return __builtin_isless(x, y);
}
static int
test_not_isless(double x, double y)
{
return !__builtin_isless(x, y);
}
static int
test_islessequal(double x, double y)
{
return __builtin_islessequal(x, y);
}
static int
test_not_islessequal(double x, double y)
{
return !__builtin_islessequal(x, y);
}
static int
test_isgreater(double x, double y)
{
return __builtin_isgreater(x, y);
}
static int
test_not_isgreater(double x, double y)
{
return !__builtin_isgreater(x, y);
}
static int
test_isgreaterequal(double x, double y)
{
return __builtin_isgreaterequal(x, y);
}
static int
test_not_isgreaterequal(double x, double y)
{
return !__builtin_isgreaterequal(x, y);
}
static int
test_islessgreater(double x, double y)
{
return __builtin_islessgreater(x, y);
}
static int
test_not_islessgreater(double x, double y)
{
return !__builtin_islessgreater(x, y);
}
static void
one_test(double x, double y, int expected,
int (*pos) (double, double), int (*neg) (double, double))
{
if ((*pos)(x, y) != expected)
abort ();
if ((*neg)(x, y) != !expected)
abort ();
}
#define NAN (0.0 / 0.0)
int
main()
{
struct try
{
double x, y;
int result[6];
};
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 } },
};
struct test
{
int (*pos)(double, double);
int (*neg)(double, double);
};
static struct test const tests[] =
{
{ test_isunordered, test_not_isunordered },
{ test_isless, test_not_isless },
{ test_islessequal, test_not_islessequal },
{ test_isgreater, test_not_isgreater },
{ test_isgreaterequal, test_not_isgreaterequal },
{ test_islessgreater, test_not_islessgreater }
};
const int n = sizeof(data) / sizeof(data[0]);
int i, j;
for (i = 0; i < n; ++i)
for (j = 0; j < 6; ++j)
one_test (data[i].x, data[i].y, data[i].result[j],
tests[j].pos, tests[j].neg);
exit (0);
}
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