LAPACK  3.10.1
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 35 of file lapacke_zhsein.c.

42 {
43  lapack_int info = 0;
44  double* rwork = NULL;
45  lapack_complex_double* work = NULL;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_zhsein", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  if( LAPACKE_get_nancheck() ) {
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_zge_nancheck( matrix_layout, n, n, h, ldh ) ) {
54  return -7;
55  }
56  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
57  if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
58  return -10;
59  }
60  }
61  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
62  if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
63  return -12;
64  }
65  }
66  if( LAPACKE_z_nancheck( n, w, 1 ) ) {
67  return -9;
68  }
69  }
70 #endif
71  /* Allocate memory for working array(s) */
72  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
73  if( rwork == NULL ) {
75  goto exit_level_0;
76  }
77  work = (lapack_complex_double*)
78  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) * MAX(1,n) );
79  if( work == NULL ) {
81  goto exit_level_1;
82  }
83  /* Call middle-level interface */
84  info = LAPACKE_zhsein_work( matrix_layout, job, eigsrc, initv, select, n, h,
85  ldh, w, vl, ldvl, vr, ldvr, mm, m, work, rwork,
86  ifaill, ifailr );
87  /* Release memory and exit */
88  LAPACKE_free( work );
89 exit_level_1:
90  LAPACKE_free( rwork );
91 exit_level_0:
92  if( info == LAPACK_WORK_MEMORY_ERROR ) {
93  LAPACKE_xerbla( "LAPACKE_zhsein", info );
94  }
95  return info;
96 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_double
Definition: lapack.h:63
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
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:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
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