LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_chsein()

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

Definition at line 36 of file lapacke_chsein.c.

43 {
44  lapack_int info = 0;
45  float* rwork = NULL;
46  lapack_complex_float* work = NULL;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_chsein", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_cge_nancheck( matrix_layout, n, n, h, ldh ) ) {
54  return -7;
55  }
56  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
57  if( LAPACKE_cge_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_cge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
63  return -12;
64  }
65  }
66  if( LAPACKE_c_nancheck( n, w, 1 ) ) {
67  return -9;
68  }
69 #endif
70  /* Allocate memory for working array(s) */
71  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
72  if( rwork == NULL ) {
74  goto exit_level_0;
75  }
76  work = (lapack_complex_float*)
77  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) * MAX(1,n) );
78  if( work == NULL ) {
80  goto exit_level_1;
81  }
82  /* Call middle-level interface */
83  info = LAPACKE_chsein_work( matrix_layout, job, eigsrc, initv, select, n, h,
84  ldh, w, vl, ldvl, vr, ldvr, mm, m, work, rwork,
85  ifaill, ifailr );
86  /* Release memory and exit */
87  LAPACKE_free( work );
88 exit_level_1:
89  LAPACKE_free( rwork );
90 exit_level_0:
91  if( info == LAPACK_WORK_MEMORY_ERROR ) {
92  LAPACKE_xerbla( "LAPACKE_chsein", info );
93  }
94  return info;
95 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
#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
lapack_int LAPACKE_chsein_work(int matrix_layout, char job, char eigsrc, char initv, const lapack_logical *select, lapack_int n, const lapack_complex_float *h, lapack_int ldh, lapack_complex_float *w, lapack_complex_float *vl, lapack_int ldvl, lapack_complex_float *vr, lapack_int ldvr, lapack_int mm, lapack_int *m, lapack_complex_float *work, float *rwork, lapack_int *ifaill, lapack_int *ifailr)
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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