diff options
Diffstat (limited to 'math/libm-test.inc')
| -rw-r--r-- | math/libm-test.inc | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc index 2809d57d09..94d60bff7e 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -3802,13 +3802,22 @@ ilogb_test (void) TEST_f_i (ilogb, 1024, 10); TEST_f_i (ilogb, -2000, 10); - /* XXX We have a problem here: the standard does not tell us whether - exceptions are allowed/required. ignore them for now. */ - - TEST_f_i (ilogb, 0.0, FP_ILOGB0, EXCEPTIONS_OK); - TEST_f_i (ilogb, nan_value, FP_ILOGBNAN, EXCEPTIONS_OK); - TEST_f_i (ilogb, plus_infty, INT_MAX, EXCEPTIONS_OK); - TEST_f_i (ilogb, minus_infty, INT_MAX, EXCEPTIONS_OK); + /* ilogb (0.0) == FP_ILOGB0 plus invalid exception */ + errno = 0; + TEST_f_i (ilogb, 0.0, FP_ILOGB0, INVALID_EXCEPTION); + check_int ("errno for ilogb(0.0) unchanged", errno, EDOM, 0, 0, 0); + /* ilogb (NaN) == FP_ILOGBNAN plus invalid exception */ + errno = 0; + TEST_f_i (ilogb, nan_value, FP_ILOGBNAN, INVALID_EXCEPTION); + check_int ("errno for ilogb(NaN) unchanged", errno, EDOM, 0, 0, 0); + /* ilogb (inf) == INT_MAX plus invalid exception */ + errno = 0; + TEST_f_i (ilogb, plus_infty, INT_MAX, INVALID_EXCEPTION); + check_int ("errno for ilogb(Inf) unchanged", errno, EDOM, 0, 0, 0); + /* ilogb (-inf) == INT_MAX plus invalid exception */ + errno = 0; + TEST_f_i (ilogb, minus_infty, INT_MAX, INVALID_EXCEPTION); + check_int ("errno for ilogb(-Inf) unchanged", errno, EDOM, 0, 0, 0); END (ilogb); } |