LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zggrqf()

lapack_int LAPACKE_zggrqf ( int  matrix_layout,
lapack_int  m,
lapack_int  p,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double taua,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double taub 
)

Definition at line 35 of file lapacke_zggrqf.c.

40{
41 lapack_int info = 0;
42 lapack_int lwork = -1;
43 lapack_complex_double* work = NULL;
44 lapack_complex_double work_query;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_zggrqf", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
53 return -5;
54 }
55 if( LAPACKE_zge_nancheck( matrix_layout, p, n, b, ldb ) ) {
56 return -8;
57 }
58 }
59#endif
60 /* Query optimal working array(s) size */
61 info = LAPACKE_zggrqf_work( matrix_layout, m, p, n, a, lda, taua, b, ldb,
62 taub, &work_query, lwork );
63 if( info != 0 ) {
64 goto exit_level_0;
65 }
66 lwork = LAPACK_Z2INT( work_query );
67 /* Allocate memory for work arrays */
68 work = (lapack_complex_double*)
69 LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
70 if( work == NULL ) {
72 goto exit_level_0;
73 }
74 /* Call middle-level interface */
75 info = LAPACKE_zggrqf_work( matrix_layout, m, p, n, a, lda, taua, b, ldb,
76 taub, work, lwork );
77 /* Release memory and exit */
78 LAPACKE_free( work );
79exit_level_0:
80 if( info == LAPACK_WORK_MEMORY_ERROR ) {
81 LAPACKE_xerbla( "LAPACKE_zggrqf", info );
82 }
83 return info;
84}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
lapack_int LAPACKE_zggrqf_work(int matrix_layout, lapack_int m, lapack_int p, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *taua, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *taub, lapack_complex_double *work, lapack_int lwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACK_Z2INT(x)
Definition: lapacke.h:50
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
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