LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztrsna()

lapack_int LAPACKE_ztrsna ( int  matrix_layout,
char  job,
char  howmny,
const lapack_logical select,
lapack_int  n,
const lapack_complex_double t,
lapack_int  ldt,
const lapack_complex_double vl,
lapack_int  ldvl,
const lapack_complex_double vr,
lapack_int  ldvr,
double *  s,
double *  sep,
lapack_int  mm,
lapack_int m 
)

Definition at line 36 of file lapacke_ztrsna.c.

43 {
44  lapack_int info = 0;
45  lapack_int ldwork = LAPACKE_lsame( job, 'e' ) ? 1 : MAX(1,n) ;
46  double* rwork = NULL;
47  lapack_complex_double* work = NULL;
48  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
49  LAPACKE_xerbla( "LAPACKE_ztrsna", -1 );
50  return -1;
51  }
52 #ifndef LAPACK_DISABLE_NAN_CHECK
53  if( LAPACKE_get_nancheck() ) {
54  /* Optionally check input matrices for NaNs */
55  if( LAPACKE_zge_nancheck( matrix_layout, n, n, t, ldt ) ) {
56  return -6;
57  }
58  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
59  if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
60  return -8;
61  }
62  }
63  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
64  if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
65  return -10;
66  }
67  }
68  }
69 #endif
70  /* Allocate memory for working array(s) */
71  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
72  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
73  if( rwork == NULL ) {
75  goto exit_level_0;
76  }
77  }
78  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
79  work = (lapack_complex_double*)
81  ldwork * MAX(1,n+6) );
82  if( work == NULL ) {
84  goto exit_level_1;
85  }
86  }
87  /* Call middle-level interface */
88  info = LAPACKE_ztrsna_work( matrix_layout, job, howmny, select, n, t, ldt,
89  vl, ldvl, vr, ldvr, s, sep, mm, m, work, ldwork,
90  rwork );
91  /* Release memory and exit */
92  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
93  LAPACKE_free( work );
94  }
95 exit_level_1:
96  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
97  LAPACKE_free( rwork );
98  }
99 exit_level_0:
100  if( info == LAPACK_WORK_MEMORY_ERROR ) {
101  LAPACKE_xerbla( "LAPACKE_ztrsna", info );
102  }
103  return info;
104 }
#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_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#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
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_int LAPACKE_ztrsna_work(int matrix_layout, char job, char howmny, const lapack_logical *select, lapack_int n, const lapack_complex_double *t, lapack_int ldt, const lapack_complex_double *vl, lapack_int ldvl, const lapack_complex_double *vr, lapack_int ldvr, double *s, double *sep, lapack_int mm, lapack_int *m, lapack_complex_double *work, lapack_int ldwork, double *rwork)
int LAPACKE_get_nancheck()
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