LAPACK 3.12.0
LAPACK: Linear Algebra PACKage

Functions  
subroutine  cgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, rwork, info) 
CGTSVX computes the solution to system of linear equations A * X = B for GT matrices  
subroutine  dgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, iwork, info) 
DGTSVX computes the solution to system of linear equations A * X = B for GT matrices  
subroutine  sgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, iwork, info) 
SGTSVX computes the solution to system of linear equations A * X = B for GT matrices  
subroutine  zgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, rwork, info) 
ZGTSVX computes the solution to system of linear equations A * X = B for GT matrices  