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https://github.com/HTDerekLiu/surface_multigrid_code
10 September 2021, 07:17:17 UTC
Revision 2a5ce10bcc87d1ae648b298a39eec2f368b24b24 authored by HTDerekLiu on 24 May 2021, 13:03:36 UTC, committed by HTDerekLiu on 24 May 2021, 13:03:36 UTC 
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Tip revision: 2a5ce10bcc87d1ae648b298a39eec2f368b24b24 authored by HTDerekLiu on 24 May 2021, 13:03:36 UTC
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Tip revision: 2a5ce10
remove_row.cpp 
#include "remove_row.h"

void remove_row(
  const int rowToRemove,
  Eigen::MatrixXd & matrix)
  {
    unsigned int numRows = matrix.rows()-1;
    unsigned int numCols = matrix.cols();

    if( rowToRemove < numRows )
        matrix.block(rowToRemove,0,numRows-rowToRemove,numCols) = matrix.block(rowToRemove+1,0,numRows-rowToRemove,numCols);

    matrix.conservativeResize(numRows,numCols);
  }

void remove_row(
  const int rowToRemove,
  Eigen::MatrixXi & matrix)
  {
    unsigned int numRows = matrix.rows()-1;
    unsigned int numCols = matrix.cols();

    if( rowToRemove < numRows )
        matrix.block(rowToRemove,0,numRows-rowToRemove,numCols) = matrix.block(rowToRemove+1,0,numRows-rowToRemove,numCols);

    matrix.conservativeResize(numRows,numCols);
  }
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