LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dlapmt_work()

lapack_int LAPACKE_dlapmt_work ( int  matrix_layout,
lapack_logical  forwrd,
lapack_int  m,
lapack_int  n,
double *  x,
lapack_int  ldx,
lapack_int k 
)

Definition at line 35 of file lapacke_dlapmt_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_dlapmt( &forwrd, &m, &n, x, &ldx, k );
43  if( info < 0 ) {
44  info = info - 1;
45  }
46  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47  lapack_int ldx_t = MAX(1,m);
48  double* x_t = NULL;
49  /* Check leading dimension(s) */
50  if( ldx < n ) {
51  info = -6;
52  LAPACKE_xerbla( "LAPACKE_dlapmt_work", info );
53  return info;
54  }
55  /* Allocate memory for temporary array(s) */
56  x_t = (double*)LAPACKE_malloc( sizeof(double) * ldx_t * MAX(1,n) );
57  if( x_t == NULL ) {
59  goto exit_level_0;
60  }
61  /* Transpose input matrices */
62  LAPACKE_dge_trans( matrix_layout, m, n, x, ldx, x_t, ldx_t );
63  /* Call LAPACK function and adjust info */
64  LAPACK_dlapmt( &forwrd, &m, &n, x_t, &ldx_t, k );
65  info = 0; /* LAPACK call is ok! */
66  /* Transpose output matrices */
67  LAPACKE_dge_trans( LAPACK_COL_MAJOR, m, n, x_t, ldx_t, x, ldx );
68  /* Release memory and exit */
69  LAPACKE_free( x_t );
70 exit_level_0:
71  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
72  LAPACKE_xerbla( "LAPACKE_dlapmt_work", info );
73  }
74  } else {
75  info = -1;
76  LAPACKE_xerbla( "LAPACKE_dlapmt_work", info );
77  }
78  return info;
79 }
void LAPACK_dlapmt(lapack_logical const *forwrd, lapack_int const *m, lapack_int const *n, double *X, lapack_int const *ldx, lapack_int *K)
#define lapack_int
Definition: lapack.h:83
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_dge_trans(int matrix_layout, lapack_int m, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
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