123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139 |
-
-
-
-
-
-
- #ifndef __gaussianquadrature_h
- #define __gaussianquadrature_h
-
- #include "LemmaObject.h"
-
- namespace Lemma {
-
-
-
-
-
-
-
-
-
-
- class gaussianquadrature {
-
- public:
-
- friend std::ostream &operator<<(std::ostream &stream,
- const gaussianquadrature &ob);
-
-
-
- static gaussianquadrature* New();
-
- void Delete();
-
-
-
-
-
- void Integrate();
-
-
- void CalcAW();
-
-
-
- void SetFreqs(const int& nfreq, const Real& a, const Real& b);
-
-
- void SetFunc(const VectorXr& fx);
-
-
-
- VectorXr GetAbscissae();
-
-
- VectorXr GetWeights();
-
-
- Real GetResult();
-
-
- protected:
-
-
-
-
- gaussianquadrature ();
-
-
- ~gaussianquadrature ();
-
-
-
-
-
- Real dx;
-
-
- Real machineeps;
-
-
- int N;
-
-
- int N1;
-
-
- int N2;
-
-
- Real a;
-
-
- Real b;
-
-
- VectorXr ytemp;
-
-
- VectorXr xu;
-
-
- VectorXr y;
-
-
- VectorXr y0;
-
-
- MatrixXr L;
-
-
- VectorXr Lp;
-
-
- VectorXr Ltemp;
-
-
- VectorXr wgq;
-
-
- VectorXr funcx;
-
-
- Real intres;
-
- private:
-
- };
- }
- #endif
|