Kirak Hong <hok...@gatech.edu> wrote on 12/02/2010 05:17:39 PM:
> Hi,
>
> I am trying to use my X10 class within an external CPP file.
> For example, I have X10 class as following :
>
> class X10Image
> > {
> > public val width : Int;
> > public val height : Int;
> > public val channel : Int;
> > public val img : Array[Int];
> >
> > ... some methods ...
> > }
> >
>
> When I see the generated cc file, the class is declared in cpp as
following
> :
>
> class X10Image : public x10::lang::Object {
> > public:
> > RTT_H_DECLS_CLASS
> >
> > void _instance_init();
> >
> > x10_int FMGL(width);
> >
> > x10_int FMGL(height);
> >
> > x10_int FMGL(channel);
> >
>
> To access the X10Image class within an external cpp file, I thought that
I
> can just include X10Image.h with x10rt.h, but the compiler complains
like
> following :
>
> x10c++: In file included from
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/double_utils.h:16,
> > from /home/hokira/Projects/x10-2.1.0/include/x10rt.h:38,
> > from X10Image.h:4,
> > from OpenCV.cpp:7:
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h: In
function
> > ‘bool x10aux::math::isfinite(double)’:
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h:83: error:
> > ‘::isfinite’ has not been declared
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h: In
function
> > ‘bool x10aux::math::isfinite(float)’:
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h:83: error:
> > ‘::isfinitef’ has not been declared
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h: In
function
> > ‘int x10aux::math::signbit(double)’:
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h:85: error:
> > ‘::signbit’ has not been declared
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h: In
function
> > ‘int x10aux::math::signbit(float)’:
> > /home/hokira/Projects/x10-2.1.0/include/x10aux/math.h:85: error:
> > ‘::signbitf’ has not been declared
> >
>
> Can anyone please give some comments on this?
First, the X10 runtime implementation and the X10 generated code
require a POSIX subsystem. Second, our math.h is carefully crafted
for the platforms we've tested on, and may not work on all platforms.
What operating system and platform are you using?
Igor
--
Igor Peshansky (note the spelling change!)
IBM T.J. Watson Research Center
X10: Parallel Productivity and Performance (http://x10-lang.org/)
XJ: No More Pain for XML's Gain (http://www.research.ibm.com/xj/)
"I hear and I forget. I see and I remember. I do and I understand" --
Xun Zi
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