Hi,
Eigen's stuff are defined in the Eigen namespace, so you have to prefix Matrix by the namespace:
typedef Eigen::Matrix<double,2,2> ABCDMatrix;
In header files this the preferred way. In implementation files you can either import the full namespace:
using namespace Eigen;
or only import a selected subset:
USING_PART_OF_NAMESPACE_EIGEN
see the first example of the tutorial:
http://eigen.tuxfamily.org/api/TutorialCore.htmlcheers,
gael.
On Tue, Sep 23, 2008 at 11:04 PM, Matthias Pospiech
<matthias.pospiech@xxxxxx> wrote:
I could of course use the predefinded Matrix2d, but I tried to define it on my own just to try it. However that did not work:
#ifndef ABCD_H_
#define ABCD_H_
#include <Qt/qobject.h>
#include <Eigen/Core>
typedef Matrix<double,2,2> ABCDMatrix;
class ABCD : public QObject
{
Q_OBJECT
public:
ABCD(QObject* parent = 0);
virtual ~ABCD();
};
#endif
gives the following error output:
1>ABCD.cpp
1>m:\iqo\daten\dev\svn\abcd\laserdesignstudio\laserdesign\src\abcd\ABCD.h(7) : error C2143: Syntaxfehler: Es fehlt ';' vor '<'
1>m:\iqo\daten\dev\svn\abcd\laserdesignstudio\laserdesign\src\abcd\ABCD.h(7) : error C4430: Fehlender Typspezifizierer - int wird angenommen. Hinweis: "default-int" wird von C++ nicht unterstützt.
Matthias