LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cgbbrd()

lapack_int LAPACKE_cgbbrd ( int  matrix_layout,
char  vect,
lapack_int  m,
lapack_int  n,
lapack_int  ncc,
lapack_int  kl,
lapack_int  ku,
lapack_complex_float ab,
lapack_int  ldab,
float *  d,
float *  e,
lapack_complex_float q,
lapack_int  ldq,
lapack_complex_float pt,
lapack_int  ldpt,
lapack_complex_float c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_cgbbrd.c.

43 {
44  lapack_int info = 0;
45  float* rwork = NULL;
46  lapack_complex_float* work = NULL;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_cgbbrd", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_cgb_nancheck( matrix_layout, m, n, kl, ku, ab, ldab ) ) {
54  return -8;
55  }
56  if( ncc != 0 ) {
57  if( LAPACKE_cge_nancheck( matrix_layout, m, ncc, c, ldc ) ) {
58  return -16;
59  }
60  }
61 #endif
62  /* Allocate memory for working array(s) */
63  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,MAX(m,n)) );
64  if( rwork == NULL ) {
66  goto exit_level_0;
67  }
68  work = (lapack_complex_float*)
69  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,MAX(m,n)) );
70  if( work == NULL ) {
72  goto exit_level_1;
73  }
74  /* Call middle-level interface */
75  info = LAPACKE_cgbbrd_work( matrix_layout, vect, m, n, ncc, kl, ku, ab, ldab,
76  d, e, q, ldq, pt, ldpt, c, ldc, work, rwork );
77  /* Release memory and exit */
78  LAPACKE_free( work );
79 exit_level_1:
80  LAPACKE_free( rwork );
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_cgbbrd", info );
84  }
85  return info;
86 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
lapack_int LAPACKE_cgbbrd_work(int matrix_layout, char vect, lapack_int m, lapack_int n, lapack_int ncc, lapack_int kl, lapack_int ku, lapack_complex_float *ab, lapack_int ldab, float *d, float *e, lapack_complex_float *q, lapack_int ldq, lapack_complex_float *pt, lapack_int ldpt, lapack_complex_float *c, lapack_int ldc, lapack_complex_float *work, float *rwork)
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_cgb_nancheck(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_float *ab, lapack_int ldab)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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