Add tests for underflow exception bugs 10846, 14036

[Andreas Jaeger]

On 05/24/2012 04:57 PM, Joseph S. Myers wrote:
> Now that libm-test.inc can test underflow exceptions, I propose this
> patch to add tests for two bugs about missing underflow exceptions
> (fixed by the changes to use -frounding-math).  Tested x86 and x86_64.
>
> 2012-05-24  Joseph Myers<joseph@codesourcery.com>
>
> 	[BZ #10846]
> 	[BZ #14036]
> 	* math/libm-test.inc (exp_test): Add test from bug 14036.
> 	(pow_test): Add test from bug 10846.

Thanks, this is ok,

Andreas

> diff --git a/math/libm-test.inc b/math/libm-test.inc
> index 5424866..f545723 100644
> --- a/math/libm-test.inc
> +++ b/math/libm-test.inc
> @@ -3501,6 +3501,7 @@ exp_test (void)
>
>   #if !(defined TEST_LDOUBLE&&  LDBL_MAX_EXP>  1024)
>     TEST_f_f (exp, 710, plus_infty, OVERFLOW_EXCEPTION);
> +  TEST_f_f (exp, -1234, plus_zero, UNDERFLOW_EXCEPTION);
>   #endif
>     TEST_f_f (exp, 1e5, plus_infty, OVERFLOW_EXCEPTION);
>     TEST_f_f (exp, max_value, plus_infty, OVERFLOW_EXCEPTION);
> @@ -6732,6 +6733,8 @@ pow_test (void)
>     TEST_ff_f (pow, 0x1.0000000000001p0L, -0x1.23456789abcdfp61L, 1.0118762747828234466621210689458255908670e-253L);
>   #endif
>
> +  TEST_ff_f (pow, 2.0L, -100000.0L, plus_zero, UNDERFLOW_EXCEPTION);
> +
>     END (pow);
>   }
>
>


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  Andreas Jaeger aj@{suse.com,opensuse.org} Twitter/Identica: jaegerandi
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