SUBROUTINE ZUNMR2( SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, WORK, * INFO) CHARACTER * 1 SIDE, TRANS DOUBLE COMPLEX A(LDA,*), TAU(*), C(LDC,*), WORK(*) INTEGER M, N, K, LDA, LDC, INFO SUBROUTINE ZUNMR2_64( SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, * WORK, INFO) CHARACTER * 1 SIDE, TRANS DOUBLE COMPLEX A(LDA,*), TAU(*), C(LDC,*), WORK(*) INTEGER*8 M, N, K, LDA, LDC, INFO
SUBROUTINE UNMR2( SIDE, TRANS, [M], [N], [K], A, [LDA], TAU, C, [LDC], * [WORK], [INFO]) CHARACTER(LEN=1) :: SIDE, TRANS COMPLEX(8), DIMENSION(:) :: TAU, WORK COMPLEX(8), DIMENSION(:,:) :: A, C INTEGER :: M, N, K, LDA, LDC, INFO SUBROUTINE UNMR2_64( SIDE, TRANS, [M], [N], [K], A, [LDA], TAU, C, * [LDC], [WORK], [INFO]) CHARACTER(LEN=1) :: SIDE, TRANS COMPLEX(8), DIMENSION(:) :: TAU, WORK COMPLEX(8), DIMENSION(:,:) :: A, C INTEGER(8) :: M, N, K, LDA, LDC, INFO
void zunmr2(char side, char trans, int m, int n, int k, doublecomplex *a, int lda, doublecomplex *tau, doublecomplex *c, int ldc, int *info);
void zunmr2_64(char side, char trans, long m, long n, long k, doublecomplex *a, long lda, doublecomplex *tau, doublecomplex *c, long ldc, long *info);
where Q is a complex unitary matrix defined as the product of k elementary reflectors
Q = H(1)' H(2)' . . . H(k)'
as returned by CGERQF. Q is of order m if SIDE = 'L' and of order n if SIDE = 'R'.