LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dpocon_work()

lapack_int LAPACKE_dpocon_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
const double *  a,
lapack_int  lda,
double  anorm,
double *  rcond,
double *  work,
lapack_int iwork 
)

Definition at line 36 of file lapacke_dpocon_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_dpocon( &uplo, &n, a, &lda, &anorm, rcond, work, iwork, &info );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48  lapack_int lda_t = MAX(1,n);
49  double* a_t = NULL;
50  /* Check leading dimension(s) */
51  if( lda < n ) {
52  info = -5;
53  LAPACKE_xerbla( "LAPACKE_dpocon_work", info );
54  return info;
55  }
56  /* Allocate memory for temporary array(s) */
57  a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
58  if( a_t == NULL ) {
60  goto exit_level_0;
61  }
62  /* Transpose input matrices */
63  LAPACKE_dpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
64  /* Call LAPACK function and adjust info */
65  LAPACK_dpocon( &uplo, &n, a_t, &lda_t, &anorm, rcond, work, iwork,
66  &info );
67  if( info < 0 ) {
68  info = info - 1;
69  }
70  /* Release memory and exit */
71  LAPACKE_free( a_t );
72 exit_level_0:
73  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
74  LAPACKE_xerbla( "LAPACKE_dpocon_work", info );
75  }
76  } else {
77  info = -1;
78  LAPACKE_xerbla( "LAPACKE_dpocon_work", info );
79  }
80  return info;
81 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define MAX(x, y)
Definition: lapacke_utils.h:47
#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
void LAPACK_dpocon(char *uplo, lapack_int *n, const double *a, lapack_int *lda, double *anorm, double *rcond, double *work, lapack_int *iwork, lapack_int *info)
void LAPACKE_dpo_trans(int matrix_layout, char uplo, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
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