SUBROUTINE ZUNGLQ( M, N, K, A, LDA, TAU, WORK, LWORK, INFO) DOUBLE COMPLEX A(LDA,*), TAU(*), WORK(*) INTEGER M, N, K, LDA, LWORK, INFO SUBROUTINE ZUNGLQ_64( M, N, K, A, LDA, TAU, WORK, LWORK, INFO) DOUBLE COMPLEX A(LDA,*), TAU(*), WORK(*) INTEGER*8 M, N, K, LDA, LWORK, INFO
SUBROUTINE UNGLQ( M, [N], [K], A, [LDA], TAU, [WORK], [LWORK], [INFO]) COMPLEX(8), DIMENSION(:) :: TAU, WORK COMPLEX(8), DIMENSION(:,:) :: A INTEGER :: M, N, K, LDA, LWORK, INFO SUBROUTINE UNGLQ_64( M, [N], [K], A, [LDA], TAU, [WORK], [LWORK], * [INFO]) COMPLEX(8), DIMENSION(:) :: TAU, WORK COMPLEX(8), DIMENSION(:,:) :: A INTEGER(8) :: M, N, K, LDA, LWORK, INFO
void zunglq(int m, int n, int k, doublecomplex *a, int lda, doublecomplex *tau, int *info);
void zunglq_64(long m, long n, long k, doublecomplex *a, long lda, doublecomplex *tau, long *info);
Q = H(k)' . . . H(2)' H(1)'
as returned by CGELQF.
If LWORK = -1, then a workspace query is assumed; the routine only calculates the optimal size of the WORK array, returns this value as the first entry of the WORK array, and no error message related to LWORK is issued by XERBLA.