{
/* Zero. */
ASSERT (trunc (0.0) == 0.0);
- ASSERT (!signbit (trunc (0.0)));
ASSERT (trunc (minus_zerod) == 0.0);
- ASSERT (!!signbit (minus_zerod) == !!signbit (trunc (minus_zerod)));
/* Positive numbers. */
ASSERT (trunc (0.3) == 0.0);
ASSERT (trunc (0.7) == 0.0);