LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_strsna_work()

lapack_int LAPACKE_strsna_work ( int  matrix_layout,
char  job,
char  howmny,
const lapack_logical select,
lapack_int  n,
const float *  t,
lapack_int  ldt,
const float *  vl,
lapack_int  ldvl,
const float *  vr,
lapack_int  ldvr,
float *  s,
float *  sep,
lapack_int  mm,
lapack_int m,
float *  work,
lapack_int  ldwork,
lapack_int iwork 
)

Definition at line 36 of file lapacke_strsna_work.c.

43 {
44  lapack_int info = 0;
45  if( matrix_layout == LAPACK_COL_MAJOR ) {
46  /* Call LAPACK function and adjust info */
47  LAPACK_strsna( &job, &howmny, select, &n, t, &ldt, vl, &ldvl, vr, &ldvr,
48  s, sep, &mm, m, work, &ldwork, iwork, &info );
49  if( info < 0 ) {
50  info = info - 1;
51  }
52  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
53  lapack_int ldt_t = MAX(1,n);
54  lapack_int ldvl_t = MAX(1,n);
55  lapack_int ldvr_t = MAX(1,n);
56  float* t_t = NULL;
57  float* vl_t = NULL;
58  float* vr_t = NULL;
59  /* Check leading dimension(s) */
60  if( ldt < n ) {
61  info = -7;
62  LAPACKE_xerbla( "LAPACKE_strsna_work", info );
63  return info;
64  }
65  if( ldvl < mm ) {
66  info = -9;
67  LAPACKE_xerbla( "LAPACKE_strsna_work", info );
68  return info;
69  }
70  if( ldvr < mm ) {
71  info = -11;
72  LAPACKE_xerbla( "LAPACKE_strsna_work", info );
73  return info;
74  }
75  /* Allocate memory for temporary array(s) */
76  t_t = (float*)LAPACKE_malloc( sizeof(float) * ldt_t * MAX(1,n) );
77  if( t_t == NULL ) {
79  goto exit_level_0;
80  }
81  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
82  vl_t = (float*)LAPACKE_malloc( sizeof(float) * ldvl_t * MAX(1,mm) );
83  if( vl_t == NULL ) {
85  goto exit_level_1;
86  }
87  }
88  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
89  vr_t = (float*)LAPACKE_malloc( sizeof(float) * ldvr_t * MAX(1,mm) );
90  if( vr_t == NULL ) {
92  goto exit_level_2;
93  }
94  }
95  /* Transpose input matrices */
96  LAPACKE_sge_trans( matrix_layout, n, n, t, ldt, t_t, ldt_t );
97  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
98  LAPACKE_sge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
99  }
100  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
101  LAPACKE_sge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
102  }
103  /* Call LAPACK function and adjust info */
104  LAPACK_strsna( &job, &howmny, select, &n, t_t, &ldt_t, vl_t, &ldvl_t,
105  vr_t, &ldvr_t, s, sep, &mm, m, work, &ldwork, iwork,
106  &info );
107  if( info < 0 ) {
108  info = info - 1;
109  }
110  /* Release memory and exit */
111  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
112  LAPACKE_free( vr_t );
113  }
114 exit_level_2:
115  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
116  LAPACKE_free( vl_t );
117  }
118 exit_level_1:
119  LAPACKE_free( t_t );
120 exit_level_0:
121  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
122  LAPACKE_xerbla( "LAPACKE_strsna_work", info );
123  }
124  } else {
125  info = -1;
126  LAPACKE_xerbla( "LAPACKE_strsna_work", info );
127  }
128  return info;
129 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#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 LAPACK_strsna(char *job, char *howmny, const lapack_logical *select, lapack_int *n, const float *t, lapack_int *ldt, const float *vl, lapack_int *ldvl, const float *vr, lapack_int *ldvr, float *s, float *sep, lapack_int *mm, lapack_int *m, float *work, lapack_int *ldwork, lapack_int *iwork, lapack_int *info)
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