/home/peifer/diffit/nr.h

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00001 
00002 
00003 
00004 // #####################################
00005 // #                                   #
00006 // #       Klasse f. Bandmatizen       #
00007 // #                                   #
00008 // #####################################
00009 
00010 
00011 class Bandmatrix
00012 {
00013 private:
00014   long n;  //Anz. der Datenpunkte
00015   long bw; //Anz. der Nebendiagonalen
00016   double **band;
00017 public:
00018   Bandmatrix(long ndata,long bandbreite); //Konstruktor
00019   double r(long i,long j); //Lesen
00020   void w(double value,long i,long j);  //Schreiben
00021   ~Bandmatrix();  //Destruktor
00022 };
00023 
00024 
00025 
00026 //RECIPES
00027 //
00028 
00029 void rkck(double y[], double dydx[], long n, double x, double h,
00030         double yout[], double yerr[], void (*derivs)(double, double [], double [], double []));
00031 void rkqs(double y[], double dydx[], double p[], long n, double *x,
00032           double htry, double eps, double yscal[], double *hdid, double *hnext,long rkqs_ign,
00033         void (*derivs)(double, double [], double [], double []));
00034 
00035 void svdcmp(double **a, int m, int n, double w[], double **v);
00036 double pythag(double a, double b);
00037 double ran1(long *idum);
00038 double gasdev(long *idum);
00039 double spline(double *x,double *g,double *gam,long n,double t);
00040 void svbksb(double **u, double w[], double **v, int m, int n, double b[], double x[]);
00041 void splines(double *x,double *y,double *w,long n,double alpha,double *g,double *gam);
00042 void splines_gcv(double *x,double *y,double *w,long n,double *alpha,double *g,double *gam,double maxa);
00043 //NRUTIL
00044 
00045 static double sqrarg;
00046 #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 : sqrarg*sqrarg)
00047 
00048 static double dsqrarg;
00049 #define DSQR(a) ((dsqrarg=(a)) == 0.0 ? 0.0 : dsqrarg*dsqrarg)
00050 
00051 static double dmaxarg1,dmaxarg2;
00052 #define DMAX(a,b) (dmaxarg1=(a),dmaxarg2=(b),(dmaxarg1) > (dmaxarg2) ?\
00053         (dmaxarg1) : (dmaxarg2))
00054 
00055 static double dminarg1,dminarg2;
00056 #define DMIN(a,b) (dminarg1=(a),dminarg2=(b),(dminarg1) < (dminarg2) ?\
00057         (dminarg1) : (dminarg2))
00058 
00059 static double maxarg1,maxarg2;
00060 #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1) > (maxarg2) ?\
00061         (maxarg1) : (maxarg2))
00062 
00063 static double minarg1,minarg2;
00064 #define FMIN(a,b) (minarg1=(a),minarg2=(b),(minarg1) < (minarg2) ?\
00065         (minarg1) : (minarg2))
00066 
00067 static long lmaxarg1,lmaxarg2;
00068 #define LMAX(a,b) (lmaxarg1=(a),lmaxarg2=(b),(lmaxarg1) > (lmaxarg2) ?\
00069         (lmaxarg1) : (lmaxarg2))
00070 
00071 static long lminarg1,lminarg2;
00072 #define LMIN(a,b) (lminarg1=(a),lminarg2=(b),(lminarg1) < (lminarg2) ?\
00073         (lminarg1) : (lminarg2))
00074 
00075 static int imaxarg1,imaxarg2;
00076 #define IMAX(a,b) (imaxarg1=(a),imaxarg2=(b),(imaxarg1) > (imaxarg2) ?\
00077         (imaxarg1) : (imaxarg2))
00078 
00079 static int iminarg1,iminarg2;
00080 #define IMIN(a,b) (iminarg1=(a),iminarg2=(b),(iminarg1) < (iminarg2) ?\
00081         (iminarg1) : (iminarg2))
00082 
00083 #define SIGN(a,b) ((b) >= 0.0 ? fabs(a) : -fabs(a))
00084 
00085 void nrerror(char error_text[]);
00086 double *vector(long nl, long nh);
00087 int *ivector(long nl, long nh);
00088 unsigned char *cvector(long nl, long nh);
00089 unsigned long *lvector(long nl, long nh);
00090 double *dvector(long nl, long nh);
00091 double **matrix(long nrl, long nrh, long ncl, long nch);
00092 double **dmatrix(long nrl, long nrh, long ncl, long nch);
00093 int **imatrix(long nrl, long nrh, long ncl, long nch);
00094 char **cmatrix(long nrl, long nrh, long ncl, long nch);
00095 double **submatrix(double **a, long oldrl, long oldrh, long oldcl, long oldch,
00096         long newrl, long newcl);
00097 double **convert_matrix(double *a, long nrl, long nrh, long ncl, long nch);
00098 double ***d3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh);
00099 void free_vector(double *v, long nl, long nh);
00100 void free_ivector(int *v, long nl, long nh);
00101 void free_cvector(unsigned char *v, long nl, long nh);
00102 void free_lvector(unsigned long *v, long nl, long nh);
00103 void free_dvector(double *v, long nl, long nh);
00104 void free_matrix(double **m, long nrl, long nrh, long ncl, long nch);
00105 void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch);
00106 void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch);
00107 void free_cmatrix(char **m, long nrl, long nrh, long ncl, long nch);
00108 void free_submatrix(double **b, long nrl, long nrh, long ncl, long nch);
00109 void free_convert_matrix(double **b, long nrl, long nrh, long ncl, long nch);
00110 void free_d3tensor(double ***t, long nrl, long nrh, long ncl, long nch,
00111         long ndl, long ndh);
00112 #include <stdio.h>
00113 void Choldc(Bandmatrix *a, int n, double p[]);
00114 void Cholsl(Bandmatrix *a, int n, double p[], double b[], double x[]);
00115 void cmat2fvec(double **cmat,long n,long m,double *fvec);

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