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This is some awesome robot code
Dependencies: mbed-rtos mbed QEI
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tvmet/xpr/Identity.h
- Committer:
- madcowswe
- Date:
- 2013-04-17
- Revision:
- 90:e4164bb8c60e
- Parent:
- 15:9c5aaeda36dc
File content as of revision 90:e4164bb8c60e:
/* * $Id: Identity.h,v 1.4 2006-11-21 18:43:09 opetzold Exp $ */ #ifndef TVMET_XPR_IDENTITY_H #define TVMET_XPR_IDENTITY_H namespace tvmet { /** * \class XprIdentity Identity.h "tvmet/xpr/Identity.h" * \brief Expression for the identity matrix. * * This expression doesn't hold any other expression, it * simply returns 1 or 0 depends where the row and column * element excess is done. * * \since release 1.6.0 * \sa identity */ template<class T, std::size_t Rows, std::size_t Cols> struct XprIdentity : public TvmetBase< XprIdentity<T, Rows, Cols> > { XprIdentity& operator=(const XprIdentity&); public: typedef T value_type; public: /** Complexity counter. */ enum { ops_assign = Rows * Cols, ops = ops_assign }; public: /** access by index. */ value_type operator()(std::size_t i, std::size_t j) const { return i==j ? 1 : 0; } public: // debugging Xpr parse tree void print_xpr(std::ostream& os, std::size_t l=0) const { os << IndentLevel(l++) << "XprIdentity[O="<< ops << ")]<" << std::endl; os << IndentLevel(l) << typeid(T).name() << "," << "R=" << Rows << ", C=" << Cols << std::endl; os << IndentLevel(--l) << ">" << ((l != 0) ? "," : "") << std::endl; } }; } // namespace tvmet #endif // TVMET_XPR_IDENTITY_H // Local Variables: // mode:C++ // tab-width:8 // End: