getri: triangular inverse

Functions
subroutine	cgetri (n, a, lda, ipiv, work, lwork, info)
	CGETRI
subroutine	dgetri (n, a, lda, ipiv, work, lwork, info)
	DGETRI
subroutine	sgetri (n, a, lda, ipiv, work, lwork, info)
	SGETRI
subroutine	zgetri (n, a, lda, ipiv, work, lwork, info)
	ZGETRI

Detailed Description