LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dormql()

lapack_int LAPACKE_dormql ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
const double *  a,
lapack_int  lda,
const double *  tau,
double *  c,
lapack_int  ldc 
)

Definition at line 35 of file lapacke_dormql.c.

39{
40 lapack_int info = 0;
41 lapack_int lwork = -1;
42 double* work = NULL;
43 double work_query;
44 lapack_int r;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_dormql", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 r = LAPACKE_lsame( side, 'l' ) ? m : n;
53 if( LAPACKE_dge_nancheck( matrix_layout, r, k, a, lda ) ) {
54 return -7;
55 }
56 if( LAPACKE_dge_nancheck( matrix_layout, m, n, c, ldc ) ) {
57 return -10;
58 }
59 if( LAPACKE_d_nancheck( k, tau, 1 ) ) {
60 return -9;
61 }
62 }
63#endif
64 /* Query optimal working array(s) size */
65 info = LAPACKE_dormql_work( matrix_layout, side, trans, m, n, k, a, lda, tau,
66 c, ldc, &work_query, lwork );
67 if( info != 0 ) {
68 goto exit_level_0;
69 }
70 lwork = (lapack_int)work_query;
71 /* Allocate memory for work arrays */
72 work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
73 if( work == NULL ) {
75 goto exit_level_0;
76 }
77 /* Call middle-level interface */
78 info = LAPACKE_dormql_work( matrix_layout, side, trans, m, n, k, a, lda, tau,
79 c, ldc, work, lwork );
80 /* Release memory and exit */
81 LAPACKE_free( work );
82exit_level_0:
83 if( info == LAPACK_WORK_MEMORY_ERROR ) {
84 LAPACKE_xerbla( "LAPACKE_dormql", info );
85 }
86 return info;
87}
#define lapack_int
Definition: lapack.h:87
lapack_int LAPACKE_dormql_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, const double *a, lapack_int lda, const double *tau, double *c, lapack_int ldc, double *work, lapack_int lwork)
#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
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
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