Disable one hypot test for inline double testing

[Andreas Jaeger]

On 05/05/2012 05:57 PM, Joseph S. Myers wrote:
> I saw one test of hypot fail in test-idouble on x86 because of
> overflow to infinity.  I don't know what perturbed the inline code
> generation for this test, but it seems reasonable to disable it for
> inline double testing the same way other similar tests are disabled
> for inline float and long double testing; I propose this patch (tested
> x86) to do so.

GCC might make different inline decisions based on the size of 
functions. That's why the lrint failure I noticed with GCC 4.7 came in - 
we now have too many tests and therefore GCC makes different choices for 
inlining some of the tests into main  (they are called once).

This patch is fine,
Andreas

> 2012-05-05  Joseph Myers<joseph@codesourcery.com>
>
> 	* math/libm-test.inc (hypot_test) [TEST_DOUBLE&&  TEST_INLINE]:
> 	Disable one test.
>
> diff --git a/math/libm-test.inc b/math/libm-test.inc
> index 0875e2c..ceb7d35 100644
> --- a/math/libm-test.inc
> +++ b/math/libm-test.inc
> @@ -4049,7 +4049,7 @@ hypot_test (void)
>     TEST_ff_f (hypot, 0x1.234566p-126L, 0x1.234566p-126L, 1.891441686191081936598531534017449451173e-38L);
>   #endif
>
> -#ifndef TEST_FLOAT
> +#if !defined TEST_FLOAT&&  !(defined TEST_DOUBLE&&  defined TEST_INLINE)
>     TEST_ff_f (hypot, 0x3p1021L, 0x4p1021L, 0x5p1021L);
>   #endif
>
>


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