LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztrsna_work()

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 
)

Definition at line 36 of file lapacke_ztrsna_work.c.

46 {
47  lapack_int info = 0;
48  if( matrix_layout == LAPACK_COL_MAJOR ) {
49  /* Call LAPACK function and adjust info */
50  LAPACK_ztrsna( &job, &howmny, select, &n, t, &ldt, vl, &ldvl, vr, &ldvr,
51  s, sep, &mm, m, work, &ldwork, rwork, &info );
52  if( info < 0 ) {
53  info = info - 1;
54  }
55  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
56  lapack_int ldt_t = MAX(1,n);
57  lapack_int ldvl_t = MAX(1,n);
58  lapack_int ldvr_t = MAX(1,n);
59  lapack_complex_double* t_t = NULL;
60  lapack_complex_double* vl_t = NULL;
61  lapack_complex_double* vr_t = NULL;
62  /* Check leading dimension(s) */
63  if( ldt < n ) {
64  info = -7;
65  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
66  return info;
67  }
68  if( ldvl < mm ) {
69  info = -9;
70  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
71  return info;
72  }
73  if( ldvr < mm ) {
74  info = -11;
75  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
76  return info;
77  }
78  /* Allocate memory for temporary array(s) */
79  t_t = (lapack_complex_double*)
80  LAPACKE_malloc( sizeof(lapack_complex_double) * ldt_t * MAX(1,n) );
81  if( t_t == NULL ) {
83  goto exit_level_0;
84  }
85  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
86  vl_t = (lapack_complex_double*)
88  ldvl_t * MAX(1,mm) );
89  if( vl_t == NULL ) {
91  goto exit_level_1;
92  }
93  }
94  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
95  vr_t = (lapack_complex_double*)
97  ldvr_t * MAX(1,mm) );
98  if( vr_t == NULL ) {
100  goto exit_level_2;
101  }
102  }
103  /* Transpose input matrices */
104  LAPACKE_zge_trans( matrix_layout, n, n, t, ldt, t_t, ldt_t );
105  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
106  LAPACKE_zge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
107  }
108  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
109  LAPACKE_zge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
110  }
111  /* Call LAPACK function and adjust info */
112  LAPACK_ztrsna( &job, &howmny, select, &n, t_t, &ldt_t, vl_t, &ldvl_t,
113  vr_t, &ldvr_t, s, sep, &mm, m, work, &ldwork, rwork,
114  &info );
115  if( info < 0 ) {
116  info = info - 1;
117  }
118  /* Release memory and exit */
119  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
120  LAPACKE_free( vr_t );
121  }
122 exit_level_2:
123  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
124  LAPACKE_free( vl_t );
125  }
126 exit_level_1:
127  LAPACKE_free( t_t );
128 exit_level_0:
129  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
130  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
131  }
132  } else {
133  info = -1;
134  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
135  }
136  return info;
137 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#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
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
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)
void LAPACK_ztrsna(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, lapack_int *info)
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