LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zlatms_work()

lapack_int LAPACKE_zlatms_work ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
char  dist,
lapack_int iseed,
char  sym,
double *  d,
lapack_int  mode,
double  cond,
double  dmax,
lapack_int  kl,
lapack_int  ku,
char  pack,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double work 
)

Definition at line 36 of file lapacke_zlatms_work.c.

42 {
43  lapack_int info = 0;
44  if( matrix_layout == LAPACK_COL_MAJOR ) {
45  /* Call LAPACK function and adjust info */
46  LAPACK_zlatms( &m, &n, &dist, iseed, &sym, d, &mode, &cond, &dmax, &kl,
47  &ku, &pack, a, &lda, work, &info );
48  if( info < 0 ) {
49  info = info - 1;
50  }
51  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
52  lapack_int lda_t = MAX(1,m);
53  lapack_complex_double* a_t = NULL;
54  /* Check leading dimension(s) */
55  if( lda < n ) {
56  info = -15;
57  LAPACKE_xerbla( "LAPACKE_zlatms_work", info );
58  return info;
59  }
60  /* Allocate memory for temporary array(s) */
61  a_t = (lapack_complex_double*)
62  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
63  if( a_t == NULL ) {
65  goto exit_level_0;
66  }
67  /* Transpose input matrices */
68  LAPACKE_zge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
69  /* Call LAPACK function and adjust info */
70  LAPACK_zlatms( &m, &n, &dist, iseed, &sym, d, &mode, &cond, &dmax, &kl,
71  &ku, &pack, a_t, &lda_t, work, &info );
72  if( info < 0 ) {
73  info = info - 1;
74  }
75  /* Transpose output matrices */
76  LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
77  /* Release memory and exit */
78  LAPACKE_free( a_t );
79 exit_level_0:
80  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
81  LAPACKE_xerbla( "LAPACKE_zlatms_work", info );
82  }
83  } else {
84  info = -1;
85  LAPACKE_xerbla( "LAPACKE_zlatms_work", info );
86  }
87  return info;
88 }
void LAPACK_zlatms(lapack_int *m, lapack_int *n, char *dist, lapack_int *iseed, char *sym, double *d, lapack_int *mode, double *cond, double *dmax, lapack_int *kl, lapack_int *ku, char *pack, lapack_complex_double *a, lapack_int *lda, lapack_complex_double *work, lapack_int *info)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_double
Definition: lapacke.h:90
#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 LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
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