LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cpbstf_work()

lapack_int LAPACKE_cpbstf_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  kb,
lapack_complex_float bb,
lapack_int  ldbb 
)

Definition at line 35 of file lapacke_cpbstf_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_cpbstf( &uplo, &n, &kb, bb, &ldbb, &info );
43  if( info < 0 ) {
44  info = info - 1;
45  }
46  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47  lapack_int ldbb_t = MAX(1,kb+1);
48  lapack_complex_float* bb_t = NULL;
49  /* Check leading dimension(s) */
50  if( ldbb < n ) {
51  info = -6;
52  LAPACKE_xerbla( "LAPACKE_cpbstf_work", info );
53  return info;
54  }
55  /* Allocate memory for temporary array(s) */
56  bb_t = (lapack_complex_float*)
57  LAPACKE_malloc( sizeof(lapack_complex_float) * ldbb_t * MAX(1,n) );
58  if( bb_t == NULL ) {
60  goto exit_level_0;
61  }
62  /* Transpose input matrices */
63  LAPACKE_cpb_trans( matrix_layout, uplo, n, kb, bb, ldbb, bb_t, ldbb_t );
64  /* Call LAPACK function and adjust info */
65  LAPACK_cpbstf( &uplo, &n, &kb, bb_t, &ldbb_t, &info );
66  if( info < 0 ) {
67  info = info - 1;
68  }
69  /* Transpose output matrices */
70  LAPACKE_cpb_trans( LAPACK_COL_MAJOR, uplo, n, kb, bb_t, ldbb_t, bb,
71  ldbb );
72  /* Release memory and exit */
73  LAPACKE_free( bb_t );
74 exit_level_0:
75  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
76  LAPACKE_xerbla( "LAPACKE_cpbstf_work", info );
77  }
78  } else {
79  info = -1;
80  LAPACKE_xerbla( "LAPACKE_cpbstf_work", info );
81  }
82  return info;
83 }
#define LAPACK_cpbstf(...)
Definition: lapack.h:12063
#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_cpb_trans(int matrix_layout, char uplo, 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
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