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//              Isorropia: Partitioning and Load Balancing Package
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#include <ispatest_read_distribution.hpp>
#include <Isorropia_Exception.hpp>

/** ispatest is the namespace that contains isorropia's test-utilities
*/
namespace ispatest {

void read_distribution(const char* filename,
                       std::vector<int>& rows,
                       std::vector<int>& cols,
                       std::vector<int>& partitions)
{
  std::ifstream infile(filename);
  if (!infile) {
    throw Isorropia::Exception("ispatest::read_distribution ERROR opening file.");
  }

  rows.clear();
  cols.clear();
  partitions.clear();

  int row, col, partition;

  infile >> row;

  while(!infile.eof()) {
    infile >> col;
    infile >> partition;

    rows.push_back(row);
    cols.push_back(col);
    partitions.push_back(partition);

    infile >> row;
  }
}

}//namespace ispatest

