1 #ifndef __JEIGENVALUES2D__
2 #define __JEIGENVALUES2D__
6 #include "TMatrixDSymEigen.h"
16 namespace JGEOMETRY2D {}
17 namespace JPP {
using namespace JGEOMETRY2D; }
19 namespace JGEOMETRY2D {
46 for (
int i = 0; i != 2; ++i) {
47 for (
int j = 0;
j != 2; ++
j) {
52 for (
T i = __begin; i != __end; ++i) {
54 const double dx = center.
getX() - i->getX();
55 const double dy = center.
getY() - i->getY();
65 const TVectorD V = TMatrixDSymEigen(A).GetEigenValues();
67 N = V.GetNoElements();
101 int getN(
double precision)
const
105 if (fabs(
getX()) >= precision) ++
n;
106 if (fabs(
getY()) >= precision) ++
n;
Data structure for vector in two dimensions.
int getN() const
Get number of eigen values.
double getY() const
Get y position.
int getN(double precision) const
Get number of eigen values with minimal value.
double getX() const
Get x position.
do set_variable OUTPUT_DIRECTORY $WORKDIR T
alias put_queue eval echo n
JEigenValues2D(T __begin, T __end)
Constructor.
source $JPP_DIR setenv csh $JPP_DIR eval JShellParser o a A