Function equalSparseVectors

check/TestLpModification.cpp:1901–1932

}

bool equalSparseVectors(const HighsInt dim, const HighsInt num_nz0,
                        const HighsInt* index0, const double* value0,
                        const HighsInt num_nz1, const HighsInt* index1,
                        const double* value1) {
  if (num_nz0 != num_nz1) {
    if (dev_run) printf("num_nz0 != num_nz1\n");
    return false;
  }
  std::vector<double> full_vector;
  full_vector.assign(dim, 0);
  for (HighsInt iEl = 0; iEl < num_nz0; iEl++)
    full_vector[index0[iEl]] = value0[iEl];
  for (HighsInt iEl = 0; iEl < num_nz1; iEl++) {
    HighsInt iRow = index1[iEl];
    if (full_vector[iRow] != value1[iEl]) {
      if (dev_run)
        printf("vector0[%d] = %g <> %g = vector1[%d]\n", int(iRow),
               full_vector[iRow], value1[iEl], int(iRow));
      return false;
    }

    full_vector[iRow] = 0;
  }
  for (HighsInt iRow = 0; iRow < dim; iRow++)
    if (full_vector[iRow]) {
      if (dev_run)
        printf("Full vector[%d] = %g, not zero\n", int(iRow),
               full_vector[iRow]);
      return false;
    }
  return true;
}

TEST_CASE("resize-integrality", "[highs_data]") {
  Highs highs;