LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctbcon_work()

lapack_int LAPACKE_ctbcon_work ( int  matrix_layout,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
lapack_int  kd,
const lapack_complex_float ab,
lapack_int  ldab,
float *  rcond,
lapack_complex_float work,
float *  rwork 
)

Definition at line 35 of file lapacke_ctbcon_work.c.

40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_ctbcon( &norm, &uplo, &diag, &n, &kd, ab, &ldab, rcond, work,
45  rwork, &info );
46  if( info < 0 ) {
47  info = info - 1;
48  }
49  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
50  lapack_int ldab_t = MAX(1,kd+1);
51  lapack_complex_float* ab_t = NULL;
52  /* Check leading dimension(s) */
53  if( ldab < n ) {
54  info = -8;
55  LAPACKE_xerbla( "LAPACKE_ctbcon_work", info );
56  return info;
57  }
58  /* Allocate memory for temporary array(s) */
59  ab_t = (lapack_complex_float*)
60  LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
61  if( ab_t == NULL ) {
63  goto exit_level_0;
64  }
65  /* Transpose input matrices */
66  LAPACKE_ctb_trans( matrix_layout, uplo, diag, n, kd, ab, ldab, ab_t,
67  ldab_t );
68  /* Call LAPACK function and adjust info */
69  LAPACK_ctbcon( &norm, &uplo, &diag, &n, &kd, ab_t, &ldab_t, rcond, work,
70  rwork, &info );
71  if( info < 0 ) {
72  info = info - 1;
73  }
74  /* Release memory and exit */
75  LAPACKE_free( ab_t );
76 exit_level_0:
77  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
78  LAPACKE_xerbla( "LAPACKE_ctbcon_work", info );
79  }
80  } else {
81  info = -1;
82  LAPACKE_xerbla( "LAPACKE_ctbcon_work", info );
83  }
84  return info;
85 }
#define LAPACK_ctbcon(...)
Definition: lapack.h:19555
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#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)
void LAPACKE_ctb_trans(int matrix_layout, char uplo, char diag, lapack_int n, lapack_int kd, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
Here is the call graph for this function:
Here is the caller graph for this function: