CLARFY applies an elementary reflector, or Householder matrix, H, to an n x n Hermitian matrix C, from both the left and the right. H is represented in the form H = I - tau * v * v' where tau is a scalar and v is a vector. If tau is zero, then H is taken to be the unit matrix.
UPLO is CHARACTER*1 Specifies whether the upper or lower triangular part of the Hermitian matrix C is stored. = 'U': Upper triangle = 'L': Lower triangle
N is INTEGER The number of rows and columns of the matrix C. N >= 0.
V is COMPLEX array, dimension (1 + (N-1)*abs(INCV)) The vector v as described above.
INCV is INTEGER The increment between successive elements of v. INCV must not be zero.
TAU is COMPLEX The value tau as described above.
C is COMPLEX array, dimension (LDC, N) On entry, the matrix C. On exit, C is overwritten by H * C * H'.
LDC is INTEGER The leading dimension of the array C. LDC >= max( 1, N ).
WORK is COMPLEX array, dimension (N)
Univ. of California Berkeley
Univ. of Colorado Denver
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