LAPACK 3.12.0
LAPACK: Linear Algebra PACKage

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Functions/Subroutines  
subroutine  cgtts2 (itrans, n, nrhs, dl, d, du, du2, ipiv, b, ldb) 
CGTTS2 solves a system of linear equations with a tridiagonal matrix using the LU factorization computed by sgttrf.  