Example program for dppsv

This example solves the equations
Ax=b ,  
where A  is the symmetric positive definite matrix
A = 4.16 -3.12 0.56 -0.10 -3.12 5.03 -0.83 1.18 0.56 -0.83 0.76 0.34 -0.10 1.18 0.34 1.18   and   b = 8.70 -13.35 1.89 -4.14 .  
Details of the Cholesky factorization of A  are also output.