diff options
Diffstat (limited to 'math/libm-test.inc')
| -rw-r--r-- | math/libm-test.inc | 57 |
1 files changed, 42 insertions, 15 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc index 790fcc850f..0c88abc3db 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -173,13 +173,14 @@ struct ulp_data #define EXCEPTIONS_OK INVALID_EXCEPTION_OK+DIVIDE_BY_ZERO_EXCEPTION_OK /* Some special test flags, passed together with exceptions. */ #define IGNORE_ZERO_INF_SIGN 0x400 -#define NO_TEST_INLINE 0x800 +#define TEST_NAN_SIGN 0x800 +#define NO_TEST_INLINE 0x1000 /* Indicate errno settings required or disallowed. */ -#define ERRNO_UNCHANGED 0x1000 -#define ERRNO_EDOM 0x2000 -#define ERRNO_ERANGE 0x4000 +#define ERRNO_UNCHANGED 0x2000 +#define ERRNO_EDOM 0x4000 +#define ERRNO_ERANGE 0x8000 /* Flags generated by gen-libm-test.pl, not entered here manually. */ -#define IGNORE_RESULT 0x8000 +#define IGNORE_RESULT 0x10000 /* Values underflowing only for float. */ #ifdef TEST_FLOAT @@ -732,11 +733,29 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected, goto out; FLOAT max_ulp = find_test_ulps (test_name); if (issignaling (computed) && issignaling (expected)) - ok = 1; + { + if ((exceptions & TEST_NAN_SIGN) != 0 + && signbit (computed) != signbit (expected)) + { + ok = 0; + printf ("signaling NaN has wrong sign.\n"); + } + else + ok = 1; + } else if (issignaling (computed) || issignaling (expected)) ok = 0; else if (isnan (computed) && isnan (expected)) - ok = 1; + { + if ((exceptions & TEST_NAN_SIGN) != 0 + && signbit (computed) != signbit (expected)) + { + ok = 0; + printf ("quiet NaN has wrong sign.\n"); + } + else + ok = 1; + } else if (isinf (computed) && isinf (expected)) { /* Test for sign of infinities. */ @@ -834,7 +853,9 @@ check_complex (const char *test_name, __complex__ FLOAT computed, /* Don't check again for exceptions or errno, just pass through the other relevant flags. */ check_float_internal (str, part_comp, part_exp, - exception & (IGNORE_ZERO_INF_SIGN | IGNORE_RESULT), + exception & (IGNORE_ZERO_INF_SIGN + | TEST_NAN_SIGN + | IGNORE_RESULT), &imag_max_error); free (str); } @@ -6815,11 +6836,15 @@ static const struct test_ff_f_data copysign_test_data[] = TEST_ff_f (copysign, minus_zero, plus_infty, 0, NO_INEXACT_EXCEPTION), TEST_ff_f (copysign, minus_zero, minus_zero, minus_zero, NO_INEXACT_EXCEPTION), - /* XXX More correctly we would have to check the sign of the NaN. */ - TEST_ff_f (copysign, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION), - TEST_ff_f (copysign, qnan_value, minus_zero, qnan_value, NO_INEXACT_EXCEPTION), - TEST_ff_f (copysign, -qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION), - TEST_ff_f (copysign, -qnan_value, minus_zero, qnan_value, NO_INEXACT_EXCEPTION), + TEST_ff_f (copysign, 0, qnan_value, 0, NO_INEXACT_EXCEPTION), + TEST_ff_f (copysign, 0, -qnan_value, minus_zero, NO_INEXACT_EXCEPTION), + TEST_ff_f (copysign, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION), + TEST_ff_f (copysign, minus_zero, -qnan_value, minus_zero, NO_INEXACT_EXCEPTION), + + TEST_ff_f (copysign, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|TEST_NAN_SIGN), + TEST_ff_f (copysign, qnan_value, minus_zero, -qnan_value, NO_INEXACT_EXCEPTION|TEST_NAN_SIGN), + TEST_ff_f (copysign, -qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|TEST_NAN_SIGN), + TEST_ff_f (copysign, -qnan_value, minus_zero, -qnan_value, NO_INEXACT_EXCEPTION|TEST_NAN_SIGN), }; static void @@ -8196,7 +8221,8 @@ static const struct test_f_f_data fabs_test_data[] = TEST_f_f (fabs, plus_infty, plus_infty, NO_INEXACT_EXCEPTION), TEST_f_f (fabs, minus_infty, plus_infty, NO_INEXACT_EXCEPTION), - TEST_f_f (fabs, qnan_value, qnan_value, NO_INEXACT_EXCEPTION), + TEST_f_f (fabs, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|TEST_NAN_SIGN), + TEST_f_f (fabs, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|TEST_NAN_SIGN), TEST_f_f (fabs, 38.0, 38.0, NO_INEXACT_EXCEPTION), TEST_f_f (fabs, -M_El, M_El, NO_INEXACT_EXCEPTION), @@ -13347,11 +13373,12 @@ scalbln_test (void) static const struct test_f_i_data signbit_test_data[] = { - /* TODO: missing qNaN tests. */ TEST_f_b (signbit, 0, 0, NO_INEXACT_EXCEPTION), TEST_f_b (signbit, minus_zero, 1, NO_INEXACT_EXCEPTION), TEST_f_b (signbit, plus_infty, 0, NO_INEXACT_EXCEPTION), TEST_f_b (signbit, minus_infty, 1, NO_INEXACT_EXCEPTION), + TEST_f_b (signbit, qnan_value, 0, NO_INEXACT_EXCEPTION), + TEST_f_b (signbit, -qnan_value, 1, NO_INEXACT_EXCEPTION), /* signbit (x) != 0 for x < 0. */ TEST_f_b (signbit, -1, 1, NO_INEXACT_EXCEPTION), |