Matrix P:
Mat Object: 1 MPI process
  type: seqdense
1.0000000000000000e+00 2.0000000000000000e+00 
3.0000000000000000e+00 4.0000000000000000e+00 
5.0000000000000000e+00 6.0000000000000000e+00 
7.0000000000000000e+00 8.0000000000000000e+00 
Matrix A:
Mat Object: 1 MPI process
  type: seqdense
4.0000000000000000e+00 1.0000000000000000e+00 2.0000000000000000e+00 0.0000000000000000e+00 
1.0000000000000000e+00 3.0000000000000000e+00 0.0000000000000000e+00 1.0000000000000000e+00 
2.0000000000000000e+00 0.0000000000000000e+00 5.0000000000000000e+00 2.0000000000000000e+00 
0.0000000000000000e+00 1.0000000000000000e+00 2.0000000000000000e+00 6.0000000000000000e+00 
Matrix PtAP:
Mat Object: 1 MPI process
  type: seqdense
6.5800000000000000e+02 7.8800000000000000e+02 
7.8800000000000000e+02 9.4800000000000000e+02 
Matrix RARt:
Mat Object: 1 MPI process
  type: seqdense
6.5800000000000000e+02 7.8800000000000000e+02 
7.8800000000000000e+02 9.4800000000000000e+02 
Matrix ABC:
Mat Object: 1 MPI process
  type: seqdense
6.5800000000000000e+02 7.8800000000000000e+02 
7.8800000000000000e+02 9.4800000000000000e+02