本文整理汇总了C++中VectorXd::cwiseAbs2方法的典型用法代码示例。如果您正苦于以下问题：C++ VectorXd::cwiseAbs2方法的具体用法？C++ VectorXd::cwiseAbs2怎么用？C++ VectorXd::cwiseAbs2使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VectorXd的用法示例。
在下文中一共展示了VectorXd::cwiseAbs2方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CutbySphere
pair<MatrixXd*,MatrixXd*> CutbySphere(MatrixXd &Atoms, double Radius, double x0,double y0,double z0 ){
//return ;
VectorXd Dx = Atoms.col(0).array() - x0;
VectorXd Dy = Atoms.col(1).array() - y0;
VectorXd Dz = Atoms.col(2).array() - z0;
//d2space=Dx.^2+Dy.^2+Dz.^2;
MatrixXd d2space = Dx.cwiseAbs2()+ Dy.cwiseAbs2() + Dz.cwiseAbs2();
MatrixXd D2space = d2space.array() - Radius*Radius;
MatrixXd d2plane = Dx.cwiseAbs2() + Dy.cwiseAbs2();
MatrixXd D2plane = d2plane.array() - Radius*Radius;
int range=Atoms.rows();
int j = 0, k = 0;
//need to improve here
MatrixXd* PickedAtoms = new MatrixXd(range,Atoms.cols());
MatrixXd* Unpicked = new MatrixXd(range,Atoms.cols());
for ( int i = 0 ; i < range; i ++){
//cout<<i<<" "<<Atoms(i,2)<<" "<<" "<<D2space(i,0)<<endl;
if (Atoms(i,2) > z0 && D2space(i,0) <= 0){
PickedAtoms->row(j) = Atoms.row(i);
j++;
}else if (Atoms(i,2) <= z0 && D2plane(i,0) <= 0){
PickedAtoms->row(j) = Atoms.row(i);
j++;
}else{
Unpicked->row(k) = Atoms.row(i);
k++;
}
}
PickedAtoms->conservativeResize(j,Atoms.cols());
Unpicked->conservativeResize(k,Atoms.cols());
return pair<MatrixXd*,MatrixXd*> (PickedAtoms,Unpicked);
}