Re: Unidentified subject!

[cctsim]

Try the following:

mkoctfile --link-stand-alone test.cpp -o test

It works for me.

$./test
Hello Octave world!
 11 12
 21 22

Best Regards
cctsim


On Wednesday 30 June 2004 22:04, Charles Fox wrote:
> Hi guys, I'm having problems using the oct.h library for cpp programs. 
I
> got this demo code from the octave wiki and I cant get it to compile. 
The
> command I use is:
>   gcc test.cpp -L/usr/lib/octave-2.1.44/
> But I get the error messages shown below.  I'm sure this is something
> really obvious but I've spent all day tryign to find what's wrong!
> I've also tried
>   gcc test.cpp -liboctave
> with similar effects.
>
>
> #include <iostream>
> #include <octave-2.1.44/octave/oct.h>
>
> int main(void) {
>      std::cout << "Hello Octave world!\n";
>      const int size = 2;
>      Matrix a_matrix = Matrix(size, size);
>      for (int row = 0; row < size; ++row) {
>          for (int column = 0; column < size; ++column)  {
>              a_matrix(row, column) = (row + 1)*10 + (column + 1);
>          }
>      }
>      std::cout << a_matrix;
>      return 0;
> }
>
> ERROR MESSAGE:
>
> In file included from /usr/include/octave/ov-typeinfo.h:34,
>                  from /usr/include/octave/ov-base.h:40,
>                  from /usr/include/octave/ov-fcn.h:36,
>                  from /usr/include/octave/ov-builtin.h:32,
>                  from /usr/include/octave/defun-int.h:28,
>                  from /usr/include/octave/defun-dld.h:30,
>                  from /usr/include/octave-2.1.44/octave/oct.h:35,
>                  from test.cpp:4:
> /usr/include/octave/Array3.h: In constructor `Array3<T>::Array3(T*, int,
> int, int)':
> /usr/include/octave/Array3.h:49: error: there are no arguments to
> `get_size' that depend on a template parameter, so a declaration of
> `get_size' must be available
> /usr/include/octave/Array3.h:49: error: (if you use `-fpermissive', G++
> will accept your code, but allowing the use of an undeclared name is
> deprecated)
> /usr/include/octave/Array3.h:51: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:51: error: (Each undeclared identifier is
> reported only once for each function it appears in.)
> /usr/include/octave/Array3.h:53: error: there are no arguments to
> `set_max_indices' that depend on a template parameter, so a declaration
of
> `set_max_indices' must be available
> /usr/include/octave/Array3.h: In constructor `Array3<T>::Array3()':
> /usr/include/octave/Array3.h:60: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:62: error: there are no arguments to
> `set_max_indices' that depend on a template parameter, so a declaration
of
> `set_max_indices' must be available
> /usr/include/octave/Array3.h: In constructor `Array3<T>::Array3(int,
int,
> int)':
> /usr/include/octave/Array3.h:65: error: there are no arguments to
> `get_size' that depend on a template parameter, so a declaration of
> `get_size' must be available
> /usr/include/octave/Array3.h:67: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:69: error: there are no arguments to
> `set_max_indices' that depend on a template parameter, so a declaration
of
> `set_max_indices' must be available
> /usr/include/octave/Array3.h: In constructor `Array3<T>::Array3(int,
int,
> int, const T&)':
> /usr/include/octave/Array3.h:74: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:76: error: there are no arguments to
> `set_max_indices' that depend on a template parameter, so a declaration
of
> `set_max_indices' must be available
> /usr/include/octave/Array3.h: In copy constructor
`Array3<T>::Array3(const
> Array3<T>&)':
> /usr/include/octave/Array3.h:81: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:83: error: there are no arguments to
> `set_max_indices' that depend on a template parameter, so a declaration
of
> `set_max_indices' must be available
> /usr/include/octave/Array3.h: In member function `Array3<T>&
> Array3<T>::operator=(const Array3<T>&)':
> /usr/include/octave/Array3.h:90: error: `rep' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:93: error: `d1' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:94: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h: In member function `T&
Array3<T>::xelem(int,
> int, int)':
> /usr/include/octave/Array3.h:105: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h: In member function `T
Array3<T>::xelem(int,
> int, int) const':
> /usr/include/octave/Array3.h:106: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h: In member function `T&
> Array3<T>::checkelem(int, int, int)':
> /usr/include/octave/Array3.h:114: error: `d1' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:114: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h: In member function `T&
Array3<T>::elem(int,
> int, int)':
> /usr/include/octave/Array3.h:123: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h: In member function `T
> Array3<T>::checkelem(int, int, int) const':
> /usr/include/octave/Array3.h:133: error: `d1' undeclared (first use this
> function)
> /usr/include/octave/Array3.h:133: error: `d2' undeclared (first use this
> function)
> /usr/include/octave/Array3.h: In member function `T Array3<T>::elem(int,
> int, int) const':
> /usr/include/octave/Array3.h:141: error: `d2' undeclared (first use this
> function)
> In file included from /usr/include/octave/ov-dld-fcn.h:32,
>                  from /usr/include/octave/defun-int.h:29,
>                  from /usr/include/octave/defun-dld.h:30,
>                  from /usr/include/octave-2.1.44/octave/oct.h:35,
>                  from test.cpp:4:
> /usr/include/octave/oct-shlib.h:28:22: oct-time.h: No such file or
> directory
> /usr/include/octave/Array3.h: In constructor `Array3<T>::Array3(int,
int,
> int, const T&) [with T = octave_value (*)(const octave_value&, const
> octave_value&)]':
> /usr/include/octave/ov-typeinfo.h:129:   instantiated from here
> /usr/include/octave/Array3.h:76: error: `set_max_indices' undeclared
> (first use this function)
> /usr/include/octave/Array3.h: In constructor `Array3<T>::Array3(int,
int,
> int, const T&) [with T = octave_value (*)(octave_value&, const
> octave_value_list&, const octave_value&)]':
> /usr/include/octave/ov-typeinfo.h:129:   instantiated from here
> /usr/include/octave/Array3.h:76: error: `set_max_indices' undeclared
> (first use this function)
>
>
>
>
> Charles Fox
> DPhil student
> Pattern Analysis & Machine Learning
> Robotics Research Group
> Dept. of Engineering Science
> University of Oxford, UK
> www.robots.ox.ac.uk/~charles
>
>
>
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>
> Octave's home on the web:  http://www.octave.org
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
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