https://github.com/HTDerekLiu/surface_multigrid_code
Tip revision: a827578755d864df68b103c71048c7da7a00ce59 authored by HTDerekLiu on 09 August 2021, 18:36:04 UTC
add a faster example
add a faster example
Tip revision: a827578
remove_vector_element.cpp
#include "remove_vector_element.h"
void remove_vector_element(
const int idxToRemove,
Eigen::VectorXd & vec)
{
unsigned int numEles = vec.size() - 1;
if( idxToRemove < numEles )
vec.segment(idxToRemove,numEles-idxToRemove) = vec.segment(idxToRemove+1,numEles-idxToRemove);
vec.conservativeResize(numEles);
}
void remove_vector_element(
const int idxToRemove,
Eigen::VectorXi & vec)
{
unsigned int numEles = vec.size() - 1;
if( idxToRemove < numEles )
vec.segment(idxToRemove,numEles-idxToRemove) = vec.segment(idxToRemove+1,numEles-idxToRemove);
vec.conservativeResize(numEles);
}
// template <class M>
// void remove_vector_element(
// const int & idxToRemove,
// M & vec)
// {
// unsigned int numEles = vec.size() - 1;
// if( idxToRemove < numEles )
// vec.segment(idxToRemove,numEles-idxToRemove) = vec.segment(idxToRemove+1,numEles-idxToRemove);
// vec.conservativeResize(numEles);
// }