LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_zlascl_work ( int  matrix_layout,
char  type,
lapack_int  kl,
lapack_int  ku,
double  cfrom,
double  cto,
lapack_int  m,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda 
)

Definition at line 36 of file lapacke_zlascl_work.c.

40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_zlascl( &type, &kl, &ku, &cfrom, &cto, &m, &n, a, &lda, &info);
45  if( info < 0 ) {
46  info = info - 1;
47  }
48  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
49  lapack_int nrows_a = LAPACKE_lsame(type, 'b') ? kl + 1 :
50  LAPACKE_lsame(type, 'q') ? ku + 1 :
51  LAPACKE_lsame(type, 'z') ? 2 * kl + ku + 1 : m;
52  lapack_int lda_t = MAX(1,nrows_a);
53  lapack_complex_double* a_t = NULL;
54  /* Check leading dimension(s) */
55  if( lda < n ) {
56  info = -9;
57  LAPACKE_xerbla( "LAPACKE_zlascl_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, nrows_a, n, a, lda, a_t, lda_t );
69  /* Call LAPACK function and adjust info */
70  LAPACK_zlascl( &type, &kl, &ku, &cfrom, &cto, &m, &n, a_t, &lda_t, &info);
71  if( info < 0 ) {
72  info = info - 1;
73  }
74  /* Transpose output matrices */
75  LAPACKE_zge_trans( LAPACK_COL_MAJOR, nrows_a, n, a_t, lda_t, a, lda );
76  /* Release memory and exit */
77  LAPACKE_free( a_t );
78 exit_level_0:
79  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
80  LAPACKE_xerbla( "LAPACKE_zlascl_work", info );
81  }
82  } else {
83  info = -1;
84  LAPACKE_xerbla( "LAPACKE_zlascl_work", info );
85  }
86  return info;
87 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_double
Definition: lapacke.h:90
#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
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#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_zlascl(char *type, lapack_int *kl, lapack_int *ku, double *cfrom, double *cto, lapack_int *m, lapack_int *n, lapack_complex_double *a, lapack_int *lda, lapack_int *info)
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)

Here is the call graph for this function:

Here is the caller graph for this function: