Hermitian/symmetric positive definite matrix: Cholesky

Modules
	posv: Cholesky factor and solve
	posvx: Cholesky factor and solve, expert
	posvxx: Cholesky factor and solve, extra precise
	posv: Cholesky factor and solve, mixed precision
	--- computational routines ---
	pocon: Cholesky condition number estimate
	potrf: Cholesky triangular factor
	pstrf: Cholesky triangular factor, with pivoting
	potrs: Cholesky triangular solve using factor
	potri: Cholesky triangular inverse
	porfs: Cholesky iterative refinement
	porfsx: Cholesky iterative refinement, expert
	poequ: Cholesky equilibration
	poequb: Cholesky equilibration, power of 2
	--- auxiliary routines ---
	potrf2: Cholesky triangular factor panel, recursive?
	potf2: Cholesky triangular factor panel, level 2
	pstf2: Cholesky triangular factor panel, level 2, with pivoting
	laqhe: row/col scale matrix
	la_porcond: Skeel condition number estimate
	la_porpvgrw: reciprocal pivot growth
	la_porfsx_extended: step in porfsx

Detailed Description

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