LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_cpbequ_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  kd,
const lapack_complex_float ab,
lapack_int  ldab,
float *  s,
float *  scond,
float *  amax 
)

Definition at line 36 of file lapacke_cpbequ_work.c.

40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_cpbequ( &uplo, &n, &kd, ab, &ldab, s, scond, amax, &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  lapack_complex_float* ab_t = NULL;
51  /* Check leading dimension(s) */
52  if( ldab < n ) {
53  info = -6;
54  LAPACKE_xerbla( "LAPACKE_cpbequ_work", info );
55  return info;
56  }
57  /* Allocate memory for temporary array(s) */
58  ab_t = (lapack_complex_float*)
59  LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
60  if( ab_t == NULL ) {
62  goto exit_level_0;
63  }
64  /* Transpose input matrices */
65  LAPACKE_cpb_trans( matrix_layout, uplo, n, kd, ab, ldab, ab_t, ldab_t );
66  /* Call LAPACK function and adjust info */
67  LAPACK_cpbequ( &uplo, &n, &kd, ab_t, &ldab_t, s, scond, amax, &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_cpbequ_work", info );
76  }
77  } else {
78  info = -1;
79  LAPACKE_xerbla( "LAPACKE_cpbequ_work", info );
80  }
81  return info;
82 }
void LAPACK_cpbequ(char *uplo, lapack_int *n, lapack_int *kd, const lapack_complex_float *ab, lapack_int *ldab, float *s, float *scond, float *amax, 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 LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_float
Definition: lapacke.h:74
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123

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