Orthogonal/unitary factorizations (QR, etc.)

Modules
	A = QR factorization
	A = QR factorization, triangle-pentagonal tiles
	AP = QR factorization with pivoting
	A = LQ factorization
	A = LQ factorization, triangle-pentagonal tiles
	A = QL factorization
	A = RQ factorization
	A = RZ factorization
	Generalized QR factorization
	Generalized RQ factorization
	Cosine-Sine (CS) decomposition
	Householder reflectors and plane rotations

Detailed Description

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