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{he,sy}tf2: triangular factor, level 2
LAPACK » Linear solve, AX = B » LDL: computational routines (factor, cond, etc.)
Collaboration diagram for {he,sy}tf2: triangular factor, level 2:

## Functions

subroutine | chetf2 (uplo, n, a, lda, ipiv, info)
| CHETF2 computes the factorization of a complex Hermitian matrix, using the diagonal pivoting method (unblocked algorithm calling Level 2 BLAS).
subroutine | csytf2 (uplo, n, a, lda, ipiv, info)
| CSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm).
subroutine | dsytf2 (uplo, n, a, lda, ipiv, info)
| DSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm).
subroutine | ssytf2 (uplo, n, a, lda, ipiv, info)
| SSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm).
subroutine | zhetf2 (uplo, n, a, lda, ipiv, info)
| ZHETF2 computes the factorization of a complex Hermitian matrix, using the diagonal pivoting method (unblocked algorithm, calling Level 2 BLAS).
subroutine | zsytf2 (uplo, n, a, lda, ipiv, info)
| ZSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm).

## Detailed Description