Re: function overloading on __restrict__

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On Fri, 18 Mar 2011, Matthias Kretz wrote:

it seems overloading on __restrict__ is not possible. I.e. GCC complains
about:
void foo(float *__restrict__ mem) const;
void foo(float *mem) const;

This, to me, seems to have a very valid use case. Also the AIX C++ compiler
docs (
http://publib.boulder.ibm.com/infocenter/comphelp/v7v91/index.jsp?topic=%2Fcom.ibm.vacpp7a.doc%2Flanguage%2Fref%2Fclrc03restrict_type_qualifier.htm)
specify "The __restrict__ qualifier also affects parameter type specifications
for overloaded functions in the same way as a cv-qualifier, thereby affecting
the overload set."

Please read this page more carefully.

void foo(float *const mem) const;
void foo(float *mem) const;
fails.

void foo(float *__restrict__* mem) const;
void foo(float **mem) const;
works.

--
Marc Glisse


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