LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zgbcon_work()

lapack_int LAPACKE_zgbcon_work ( int  matrix_layout,
char  norm,
lapack_int  n,
lapack_int  kl,
lapack_int  ku,
const lapack_complex_double ab,
lapack_int  ldab,
const lapack_int ipiv,
double  anorm,
double *  rcond,
lapack_complex_double work,
double *  rwork 
)

Definition at line 35 of file lapacke_zgbcon_work.c.

41 {
42  lapack_int info = 0;
43  if( matrix_layout == LAPACK_COL_MAJOR ) {
44  /* Call LAPACK function and adjust info */
45  LAPACK_zgbcon( &norm, &n, &kl, &ku, ab, &ldab, ipiv, &anorm, rcond,
46  work, rwork, &info );
47  if( info < 0 ) {
48  info = info - 1;
49  }
50  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
51  lapack_int ldab_t = MAX(1,2*kl+ku+1);
52  lapack_complex_double* ab_t = NULL;
53  /* Check leading dimension(s) */
54  if( ldab < n ) {
55  info = -7;
56  LAPACKE_xerbla( "LAPACKE_zgbcon_work", info );
57  return info;
58  }
59  /* Allocate memory for temporary array(s) */
60  ab_t = (lapack_complex_double*)
61  LAPACKE_malloc( sizeof(lapack_complex_double) * ldab_t * MAX(1,n) );
62  if( ab_t == NULL ) {
64  goto exit_level_0;
65  }
66  /* Transpose input matrices */
67  LAPACKE_zgb_trans( matrix_layout, n, n, kl, kl+ku, ab, ldab, ab_t,
68  ldab_t );
69  /* Call LAPACK function and adjust info */
70  LAPACK_zgbcon( &norm, &n, &kl, &ku, ab_t, &ldab_t, ipiv, &anorm, rcond,
71  work, rwork, &info );
72  if( info < 0 ) {
73  info = info - 1;
74  }
75  /* Release memory and exit */
76  LAPACKE_free( ab_t );
77 exit_level_0:
78  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
79  LAPACKE_xerbla( "LAPACKE_zgbcon_work", info );
80  }
81  } else {
82  info = -1;
83  LAPACKE_xerbla( "LAPACKE_zgbcon_work", info );
84  }
85  return info;
86 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_zgbcon(...)
Definition: lapack.h:627
#define lapack_complex_double
Definition: lapack.h:63
#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_zgb_trans(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *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: