LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dpbcon_work()

lapack_int LAPACKE_dpbcon_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  kd,
const double *  ab,
lapack_int  ldab,
double  anorm,
double *  rcond,
double *  work,
lapack_int iwork 
)

Definition at line 35 of file lapacke_dpbcon_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_dpbcon( &uplo, &n, &kd, ab, &ldab, &anorm, rcond, work, iwork,
44  &info );
45  if( info < 0 ) {
46  info = info - 1;
47  }
48  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
49  lapack_int ldab_t = MAX(1,kd+1);
50  double* ab_t = NULL;
51  /* Check leading dimension(s) */
52  if( ldab < n ) {
53  info = -6;
54  LAPACKE_xerbla( "LAPACKE_dpbcon_work", info );
55  return info;
56  }
57  /* Allocate memory for temporary array(s) */
58  ab_t = (double*)LAPACKE_malloc( sizeof(double) * ldab_t * MAX(1,n) );
59  if( ab_t == NULL ) {
61  goto exit_level_0;
62  }
63  /* Transpose input matrices */
64  LAPACKE_dpb_trans( matrix_layout, uplo, n, kd, ab, ldab, ab_t, ldab_t );
65  /* Call LAPACK function and adjust info */
66  LAPACK_dpbcon( &uplo, &n, &kd, ab_t, &ldab_t, &anorm, rcond, work,
67  iwork, &info );
68  if( info < 0 ) {
69  info = info - 1;
70  }
71  /* Release memory and exit */
72  LAPACKE_free( ab_t );
73 exit_level_0:
74  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
75  LAPACKE_xerbla( "LAPACKE_dpbcon_work", info );
76  }
77  } else {
78  info = -1;
79  LAPACKE_xerbla( "LAPACKE_dpbcon_work", info );
80  }
81  return info;
82 }
#define LAPACK_dpbcon(...)
Definition: lapack.h:11839
#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_dpb_trans(int matrix_layout, char uplo, lapack_int n, lapack_int kd, const double *in, lapack_int ldin, double *out, lapack_int ldout)
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