From b3364d05892be0170e8f67689736bb9b7597bc94 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Tue, 6 Oct 2015 15:57:31 +0000 Subject: Add more scalb test expectations for "inexact" exception. This patch adds more libm-test.inc expectations for the "inexact" exception for scalb, in all cases except those with a non-integer second argument (where results are unspecified by POSIX, so the function does not count as fully determined and the spurious "inexact" exceptions raised by the existing implementations alongside "invalid" are OK). Tested for x86_64 and x86. * math/libm-test.inc (scalb_test_data): Add more expectations for the "inexact" exception. --- ChangeLog | 3 ++ math/libm-test.inc | 93 ++++++++++++++++++++++++++++-------------------------- 2 files changed, 51 insertions(+), 45 deletions(-) diff --git a/ChangeLog b/ChangeLog index ac4c1d4aba..2752bd2323 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2015-10-06 Joseph Myers + * math/libm-test.inc (scalb_test_data): Add more expectations for + the "inexact" exception. + [BZ #19077] * sysdeps/ieee754/ldbl-128ibm/e_logl.c (__ieee754_logl): Return 0.0L for argument 1.0L. diff --git a/math/libm-test.inc b/math/libm-test.inc index d3964edee6..d03644f356 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -9509,44 +9509,47 @@ round_test (void) static const struct test_ff_f_data scalb_test_data[] = { + /* Results in this case are unspecified by POSIX, so, for an + otherwise fully-determined function, spurious "inexact" + exceptions are OK. */ TEST_ff_f (scalb, 2.0, 0.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), TEST_ff_f (scalb, 3.0, -2.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), TEST_ff_f (scalb, 0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), TEST_ff_f (scalb, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, 1, 0, 1, ERRNO_UNCHANGED), - TEST_ff_f (scalb, -1, 0, -1, ERRNO_UNCHANGED), + TEST_ff_f (scalb, 1, 0, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, -1, 0, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, 0, plus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), - TEST_ff_f (scalb, minus_zero, plus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_f (scalb, 0, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_f (scalb, minus_zero, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), - TEST_ff_f (scalb, 0, 2, 0, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_zero, -4, minus_zero, ERRNO_UNCHANGED), - TEST_ff_f (scalb, 0, 0, 0, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_zero, 0, minus_zero, ERRNO_UNCHANGED), - TEST_ff_f (scalb, 0, -1, 0, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_zero, -10, minus_zero, ERRNO_UNCHANGED), - TEST_ff_f (scalb, 0, minus_infty, 0, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_zero, minus_infty, minus_zero, ERRNO_UNCHANGED), + TEST_ff_f (scalb, 0, 2, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_zero, -4, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, 0, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, 0, -1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_zero, -10, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, 0, minus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_zero, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, plus_infty, -1, plus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_infty, -10, minus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, plus_infty, 0, plus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_infty, 0, minus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, plus_infty, 2, plus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_infty, 100, minus_infty, ERRNO_UNCHANGED), + TEST_ff_f (scalb, plus_infty, -1, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_infty, -10, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, plus_infty, 0, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_infty, 0, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, plus_infty, 2, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_infty, 100, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, 0.1L, minus_infty, 0.0, ERRNO_UNCHANGED), - TEST_ff_f (scalb, -0.1L, minus_infty, minus_zero, ERRNO_UNCHANGED), + TEST_ff_f (scalb, 0.1L, minus_infty, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, -0.1L, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, 1, plus_infty, plus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, -1, plus_infty, minus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, plus_infty, plus_infty, plus_infty, ERRNO_UNCHANGED), - TEST_ff_f (scalb, minus_infty, plus_infty, minus_infty, ERRNO_UNCHANGED), + TEST_ff_f (scalb, 1, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, -1, plus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, plus_infty, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, minus_infty, plus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, plus_infty, minus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), - TEST_ff_f (scalb, minus_infty, minus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_f (scalb, plus_infty, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_f (scalb, minus_infty, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), TEST_ff_f (scalb, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), TEST_ff_f (scalb, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), @@ -9560,25 +9563,25 @@ static const struct test_ff_f_data scalb_test_data[] = TEST_ff_f (scalb, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), TEST_ff_f (scalb, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), - TEST_ff_f (scalb, max_value, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), - TEST_ff_f (scalb, max_value, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), - TEST_ff_f (scalb, 1, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), - TEST_ff_f (scalb, 1, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), - TEST_ff_f (scalb, min_value, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), - TEST_ff_f (scalb, min_value, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), - TEST_ff_f (scalb, min_subnorm_value, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), - TEST_ff_f (scalb, min_subnorm_value, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), - TEST_ff_f (scalb, -max_value, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), - TEST_ff_f (scalb, -max_value, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), - TEST_ff_f (scalb, -1, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), - TEST_ff_f (scalb, -1, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), - TEST_ff_f (scalb, -min_value, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), - TEST_ff_f (scalb, -min_value, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), - TEST_ff_f (scalb, -min_subnorm_value, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), - TEST_ff_f (scalb, -min_subnorm_value, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), - - TEST_ff_f (scalb, 0.8L, 4, 12.8L, ERRNO_UNCHANGED), - TEST_ff_f (scalb, -0.854375L, 5, -27.34L, ERRNO_UNCHANGED), + TEST_ff_f (scalb, max_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_ff_f (scalb, max_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_ff_f (scalb, 1, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_ff_f (scalb, 1, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_ff_f (scalb, min_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_ff_f (scalb, min_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_ff_f (scalb, min_subnorm_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_ff_f (scalb, min_subnorm_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_ff_f (scalb, -max_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_ff_f (scalb, -max_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_ff_f (scalb, -1, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_ff_f (scalb, -1, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_ff_f (scalb, -min_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_ff_f (scalb, -min_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_ff_f (scalb, -min_subnorm_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_ff_f (scalb, -min_subnorm_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + + TEST_ff_f (scalb, 0.8L, 4, 12.8L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_f (scalb, -0.854375L, 5, -27.34L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), }; static void -- cgit 1.4.1