LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zhsein()

lapack_int LAPACKE_zhsein ( int  matrix_layout,
char  job,
char  eigsrc,
char  initv,
const lapack_logical select,
lapack_int  n,
const lapack_complex_double h,
lapack_int  ldh,
lapack_complex_double w,
lapack_complex_double vl,
lapack_int  ldvl,
lapack_complex_double vr,
lapack_int  ldvr,
lapack_int  mm,
lapack_int m,
lapack_int ifaill,
lapack_int ifailr 
)

Definition at line 36 of file lapacke_zhsein.c.

43 {
44  lapack_int info = 0;
45  double* rwork = NULL;
46  lapack_complex_double* work = NULL;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_zhsein", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  if( LAPACKE_get_nancheck() ) {
53  /* Optionally check input matrices for NaNs */
54  if( LAPACKE_zge_nancheck( matrix_layout, n, n, h, ldh ) ) {
55  return -7;
56  }
57  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
58  if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
59  return -10;
60  }
61  }
62  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
63  if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
64  return -12;
65  }
66  }
67  if( LAPACKE_z_nancheck( n, w, 1 ) ) {
68  return -9;
69  }
70  }
71 #endif
72  /* Allocate memory for working array(s) */
73  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
74  if( rwork == NULL ) {
76  goto exit_level_0;
77  }
78  work = (lapack_complex_double*)
79  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) * MAX(1,n) );
80  if( work == NULL ) {
82  goto exit_level_1;
83  }
84  /* Call middle-level interface */
85  info = LAPACKE_zhsein_work( matrix_layout, job, eigsrc, initv, select, n, h,
86  ldh, w, vl, ldvl, vr, ldvr, mm, m, work, rwork,
87  ifaill, ifailr );
88  /* Release memory and exit */
89  LAPACKE_free( work );
90 exit_level_1:
91  LAPACKE_free( rwork );
92 exit_level_0:
93  if( info == LAPACK_WORK_MEMORY_ERROR ) {
94  LAPACKE_xerbla( "LAPACKE_zhsein", info );
95  }
96  return info;
97 }
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
lapack_int LAPACKE_zhsein_work(int matrix_layout, char job, char eigsrc, char initv, const lapack_logical *select, lapack_int n, const lapack_complex_double *h, lapack_int ldh, lapack_complex_double *w, lapack_complex_double *vl, lapack_int ldvl, lapack_complex_double *vr, lapack_int ldvr, lapack_int mm, lapack_int *m, lapack_complex_double *work, double *rwork, lapack_int *ifaill, lapack_int *ifailr)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
int LAPACKE_get_nancheck()
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define lapack_complex_double
Definition: lapacke.h:90
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_xerbla(const char *name, lapack_int info)
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