LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dorgtsqr_row()

lapack_int LAPACKE_dorgtsqr_row ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_int  mb,
lapack_int  nb,
double *  a,
lapack_int  lda,
const double *  t,
lapack_int  ldt 
)

Definition at line 35 of file lapacke_dorgtsqr_row.c.

39{
40 lapack_int info = 0;
41 lapack_int lwork = -1;
42 double* work = NULL;
43 double work_query;
44 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45 LAPACKE_xerbla( "LAPACKE_dorgtsqr_row", -1 );
46 return -1;
47 }
48#ifndef LAPACK_DISABLE_NAN_CHECK
49 if( LAPACKE_get_nancheck() ) {
50 /* Optionally check input matrices for NaNs */
51 if( LAPACKE_dge_nancheck( matrix_layout, m, n, a, lda ) ) {
52 return -6;
53 }
54 if( LAPACKE_dge_nancheck( matrix_layout, nb, n, t, ldt ) ) {
55 return -8;
56 }
57 }
58#endif
59 /* Query optimal working array(s) size */
60 info = LAPACKE_dorgtsqr_row_work( matrix_layout, m, n, mb, nb,
61 a, lda, t, ldt, &work_query, lwork );
62 if( info != 0 ) {
63 goto exit_level_0;
64 }
65 lwork = (lapack_int)work_query;
66 /* Allocate memory for work arrays */
67 work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
68 if( work == NULL ) {
70 goto exit_level_0;
71 }
72 /* Call middle-level interface */
73 info = LAPACKE_dorgtsqr_row_work( matrix_layout, m, n, mb, nb,
74 a, lda, t, ldt, work, lwork );
75 /* Release memory and exit */
76 LAPACKE_free( work );
77exit_level_0:
78 if( info == LAPACK_WORK_MEMORY_ERROR ) {
79 LAPACKE_xerbla( "LAPACKE_dorgtsqr_row", info );
80 }
81 return info;
82}
#define lapack_int
Definition: lapack.h:87
#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_dorgtsqr_row_work(int matrix_layout, lapack_int m, lapack_int n, lapack_int mb, lapack_int nb, double *a, lapack_int lda, const double *t, lapack_int ldt, double *work, lapack_int lwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
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