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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.
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Joseph Myers
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@ -1,5 +1,8 @@
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2015-10-06 Joseph Myers <joseph@codesourcery.com>
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* math/libm-test.inc (scalb_test_data): Add more expectations for
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the "inexact" exception.
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[BZ #19077]
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* sysdeps/ieee754/ldbl-128ibm/e_logl.c (__ieee754_logl): Return
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0.0L for argument 1.0L.
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@ -9509,44 +9509,47 @@ round_test (void)
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static const struct test_ff_f_data scalb_test_data[] =
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{
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/* Results in this case are unspecified by POSIX, so, for an
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otherwise fully-determined function, spurious "inexact"
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exceptions are OK. */
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TEST_ff_f (scalb, 2.0, 0.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, 3.0, -2.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, 0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 1, 0, 1, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -1, 0, -1, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 1, 0, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -1, 0, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, plus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, minus_zero, plus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, 0, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, minus_zero, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, 0, 2, 0, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, -4, minus_zero, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, 0, 0, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, 0, minus_zero, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, -1, 0, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, -10, minus_zero, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, minus_infty, 0, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, minus_infty, minus_zero, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, 2, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, -4, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, -1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, -10, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0, minus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_zero, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, -1, plus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, -10, minus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, 0, plus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, 0, minus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, 2, plus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, 100, minus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, -1, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, -10, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, 0, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, 0, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, 2, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, 100, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0.1L, minus_infty, 0.0, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -0.1L, minus_infty, minus_zero, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0.1L, minus_infty, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -0.1L, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 1, plus_infty, plus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -1, plus_infty, minus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, plus_infty, plus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, plus_infty, minus_infty, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 1, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -1, plus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, minus_infty, plus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, plus_infty, minus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, minus_infty, minus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, plus_infty, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, minus_infty, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_ff_f (scalb, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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@ -9560,25 +9563,25 @@ static const struct test_ff_f_data scalb_test_data[] =
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TEST_ff_f (scalb, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, max_value, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, max_value, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, 1, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, 1, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, min_value, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, min_value, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, min_subnorm_value, max_value, plus_oflow, OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, min_subnorm_value, -max_value, plus_uflow, UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, -max_value, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -max_value, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, -1, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -1, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, -min_value, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -min_value, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, -min_subnorm_value, max_value, minus_oflow, OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -min_subnorm_value, -max_value, minus_uflow, UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, max_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, max_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, 1, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, 1, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, min_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, min_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, min_subnorm_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
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TEST_ff_f (scalb, min_subnorm_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
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TEST_ff_f (scalb, -max_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -max_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, -1, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -1, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, -min_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -min_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, -min_subnorm_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW),
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TEST_ff_f (scalb, -min_subnorm_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
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TEST_ff_f (scalb, 0.8L, 4, 12.8L, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -0.854375L, 5, -27.34L, ERRNO_UNCHANGED),
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TEST_ff_f (scalb, 0.8L, 4, 12.8L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_ff_f (scalb, -0.854375L, 5, -27.34L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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};
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static void
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