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Don't take the address of extern "C" functions: some compilers (PGI for example) don't allow mixing pointers to extern "C" and pointers to extern "C++". Actually call the functions instead and make sure they all work as advertised.

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[SVN r70202]
This commit is contained in:
John Maddock
2011-03-19 17:57:16 +00:00
parent cea6510410
commit 101aaca178
1 changed files with 16 additions and 12 deletions
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28
test/boost_no_fenv_h.ipp
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@@ -34,20 +34,24 @@ int test()
#if !defined(FE_ALL_EXCEPT)
#error platform does not define FE_ALL_EXCEPT
#endif
int i;
fexcept_t fe;
fenv_t env;
int (*has_feclearexcept)(int ) = ::feclearexcept;
int (*has_fegetexceptflag)(fexcept_t *, int ) = fegetexceptflag;
int (*has_feraiseexcept)(int ) = feraiseexcept;
int (*has_fesetexceptflag)(const fexcept_t *, int ) = fesetexceptflag;
int (*has_fetestexcept)(int ) = fetestexcept;
int (*has_fegetround)(void) = fegetround;
int (*has_fesetround)(int ) = fesetround;
int (*has_fegetenv)(fenv_t *) = fegetenv;
int (*has_feholdexcept)(fenv_t *) = feholdexcept;
int (*has_fesetenv)(const fenv_t *) = fesetenv;
int (*has_feupdateenv)(const fenv_t *) = feupdateenv;
i = feclearexcept(FE_ALL_EXCEPT);
i += fetestexcept(FE_ALL_EXCEPT); // All flags should be zero
i += fegetexceptflag(&fe, FE_ALL_EXCEPT);
i += fesetexceptflag(&fe, FE_ALL_EXCEPT);
i += feraiseexcept(0);
i += fesetround(fegetround());
i += fegetenv(&env);
i += fesetenv(&env);
i += feholdexcept(&env);
if(i)
i += feupdateenv(&env);
return 0;
return i;
}
}