diff options
Diffstat (limited to 'math/libm-test.c')
| -rw-r--r-- | math/libm-test.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/math/libm-test.c b/math/libm-test.c index 2b149f739a..3dc6922a67 100644 --- a/math/libm-test.c +++ b/math/libm-test.c @@ -1316,7 +1316,7 @@ gamma_test (void) { int save_lib_version = _LIB_VERSION; errno = 0; - FUNC(gamma) (0); + FUNC(gamma) (1); if (errno == ENOSYS) /* Function not implemented. */ return; @@ -1421,16 +1421,21 @@ lgamma_test (void) static void ilogb_test (void) { + int i; check_int ("ilogb (1) == 0", FUNC(ilogb) (1), 0); check_int ("ilogb (e) == 1", FUNC(ilogb) (M_E), 1); check_int ("ilogb (1024) == 10", FUNC(ilogb) (1024), 10); check_int ("ilogb (-2000) == 10", FUNC(ilogb) (-2000), 10); - check_int_exc ("ilogb (0) == FP_ILOGB0", FUNC(ilogb) (0.0), FP_ILOGB0, - DIVIDE_BY_ZERO_EXCEPTION|INVALID_EXCEPTION); - check_int_exc ("ilogb (NaN) == FP_ILOGBNAN", FUNC(ilogb) (nan_value), - FP_ILOGBNAN, INVALID_EXCEPTION); + /* XXX We have a problem here: the standard does not tell us whether + exceptions are allowed/required. ignore them for now. */ + i = FUNC (ilogb) (0.0); + feclearexcept (FE_ALL_EXCEPT); + check_int ("ilogb (0) == FP_ILOGB0", i, FP_ILOGB0); + i = FUNC(ilogb) (nan_value); + feclearexcept (FE_ALL_EXCEPT); + check_int ("ilogb (NaN) == FP_ILOGBNAN", i, FP_ILOGBNAN); } @@ -1642,9 +1647,6 @@ scalb_test (void) check_isinfp ("scalb (+inf, 2) == +inf", FUNC(scalb) (plus_infty, 2)); check_isinfn ("scalb (-inf, 100) == -inf", FUNC(scalb) (minus_infty, 100)); - check ("scalb (0, -inf) == 0", FUNC(scalb) (0.0, minus_infty), 0.0); - check ("scalb (-0, -inf) == -0", FUNC(scalb) (minus_zero, minus_infty), - minus_zero); x = random_greater (0.0); check ("scalb (x, -inf) == 0", FUNC(scalb) (x, minus_infty), 0.0); check ("scalb (-x, -inf) == -0", FUNC(scalb) (-x, minus_infty), minus_zero); |