Hello again ,
I have started implementing basic functions for my GMP type but I have an
issue on where to place my .h and .x10 files.
First I added them in
x10.runtime/src-cpp/x10/lang and
x10.runtime/src-x10/x10 accordingly.
I have used proper namespaces for the .h file and added a couple of lines
in basic_function.h
When I try to build, this fails, and if I don't build it, then my test
program (located in x10.dist) cannot find the type.
Now, if I put everything in the x10.dist directory, I cannot refer to the
.h file from basic_functions.h
Not even using its full path.
Any suggestions?
Regards,
Konstantina
2014-04-09 18:49 GMT+01:00 David P Grove <gro...@us.ibm.com>:
> Hi,
>
> Sorry for the slow response. You have quite a few good questions here...
>
>
> Konstantina Panagiotopoulou <kwno...@hotmail.com> wrote on 04/01/2014
> 05:51:58 AM:
>
> >
> > I have a first version of the binding (constructors, arithmetic
> > functions etc..)
> > but I am trying to pass the mpz_class types as args to/return from
> functions
> > From the compilation errors I see calls to RTT and
> > serializer,deserializer...
> > but I am not sure how other types, like double or Int implement
> > these (or what interfaces they implement) in order to be
> > used as formal parameters.
> > This came up as I was trying to make mpz_class implement the
> > Reducible interface.
> > Could you give a hint of the classes dependency tree to make it work
> > as argument?
>
> To make a @NativeRep struct really "fit in" like the other core numeric
> structs (Int, Double, Complex, etc), you unfortunately need to know a bit
> about the implementation level object model and the conventions of the
> generated code. In general, if you look for files in
> x10.runtime/src-cpp/x10aux and x10.runtime/src-cpp/x10/* that mention
> x10_complex you should be able to find where you need to make extensions
> (but pick up a fix I just committed first --- x10_complex needed to be
> added to Arithmetic.cc/.h which I just did).
>
> The key files are:
> x10aux/basic_functions.h (equals, toString, etc)
> x10aux/RTT.cc and RTT.h (provide RuntimeType for the primitive types)
> x10aux/serialization_buffer.h and deserialization_buffer.h (provide
> functions to allow primitives to be copied between Places)
>
> x10/lang/IBox.c IBox.h (support for boxing the primitives into a heap
> allocated object)
>
> If you want your type to implement useful interfaces like Arithmetic[T],
> then you need to provide some additional code. For Arithmetic, Ordered,
> Comparable, and Bitwise this is done by editing specialized interface
> dispatch files (eg x10/lang/Arithmetic.h). For other interfaces, you'll
> need to provide more elaborate support.
> The way I usually do this is to write a normal (not @NativeRep struct)
> that implements the set of interfaces I want, compile it with x10c++, then
> pull out the generated code for itables (interface tables) into your
> implementation class. This code is fairly stylized, so I usually find it
> easier to get the X10 compiler to generate it for me, then update it as
> needed.
> I'd probably leave this as a last step (get the basics working like ==,
> toString, and serialization/deserialization. Then add additional
> interfaces).
>
>
> >
> > Also, I am trying to implement a toString method. In
> > basic_functions.h I see for example that complex.h file is
> > imported and some functionality for complex is added.
> > Will there be any effect if I just add some lines for mpz_class to
> > this file (basic_functions.h) or do I have to rebuild?
>
> You'll need to add the lines to this file. It would be safest to rebuild
> X10 after doing so, but sometimes it works without the rebuild (but a
> rebuild should only be a few minutes).
>
>
> >
> > Also, is there any workaround to convert x10.lang.String to C++
> > string&(not char* ).?
> >
>
> We haven't looked at using std::string. Probably the simplest thing is
> to go x10.lang.String ==> char* ==> std::string.
>
> hope this helps. Sorry again for being slow to answer.
>
> --dave
>
>
>
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