Note: the second dimension of the array
a
must be at least
.
On entry: the leading
strictly lower triangular part of the array
a, and the
rectangular part of
a with top left-hand corner at element
must contain details of the matrix
. In addition, if
, the diagonal elements of
a must contain the elements of
.
On exit: the first
nrowp rows of the array
a are overwritten by the first
nrowp rows of the
unitary matrix
.