VanishingSigma.h

00001 #ifndef gridripper_amr1d_sigma_VanishingSigma_h
00002 #define gridripper_amr1d_sigma_VanishingSigma_h
00003 
00004 #include <gridripper/Parameters.h>
00005 #include <gridripper/lang/StreamTokenizer.h>
00006 #include <gridripper/amr1d/Sigma.h>
00007 
00008 namespace gridripper { namespace amr1d { namespace sigma {
00009 
00010 using namespace gridripper::util;
00011 using namespace std;
00012 
00020 class VanishingSigma: public Sigma {
00021 
00022 private:
00023     double sigma0;
00024     double asq;
00025     double x1;
00026     double x2;
00027     double minx;
00028     double maxx;
00029     double sigma_at_minx;
00030     double sigma_at_maxx;
00031     double deltaRsq;
00032 
00033 public:
00034     VanishingSigma(const string& cmd, const Parameters& param,
00035                    const PDE& pde);
00036 
00037     VanishingSigma(GReal_t sigma0, GReal_t x1, GReal_t x2, GReal_t a);
00038 
00039     GReal_t getValue(GReal_t x, int ileft, int iright) const;
00040 
00045     Sigma* cloneSigma() const;
00046 };
00047 
00048 } } } // namespace gridripper::amr1d::sigma
00049 
00050 #endif /* gridripper_amr1d_sigma_VanishingSigma_h */