LAPACK
3.7.1
LAPACK: Linear Algebra PACKage

Functions  
subroutine  dptsv (N, NRHS, D, E, B, LDB, INFO) 
DPTSV computes the solution to system of linear equations A * X = B for PT matrices More...  
subroutine  dptsvx (FACT, N, NRHS, D, E, DF, EF, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, INFO) 
DPTSVX computes the solution to system of linear equations A * X = B for PT matrices More...  
This is the group of double solve driver functions for PT matrices