LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztrsyl_work()

lapack_int LAPACKE_ztrsyl_work ( int  matrix_layout,
char  trana,
char  tranb,
lapack_int  isgn,
lapack_int  m,
lapack_int  n,
const lapack_complex_double a,
lapack_int  lda,
const lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double c,
lapack_int  ldc,
double *  scale 
)

Definition at line 35 of file lapacke_ztrsyl_work.c.

41 {
42  lapack_int info = 0;
43  if( matrix_layout == LAPACK_COL_MAJOR ) {
44  /* Call LAPACK function and adjust info */
45  LAPACK_ztrsyl( &trana, &tranb, &isgn, &m, &n, a, &lda, b, &ldb, c, &ldc,
46  scale, &info );
47  if( info < 0 ) {
48  info = info - 1;
49  }
50  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
51  lapack_int lda_t = MAX(1,m);
52  lapack_int ldb_t = MAX(1,n);
53  lapack_int ldc_t = MAX(1,m);
54  lapack_complex_double* a_t = NULL;
55  lapack_complex_double* b_t = NULL;
56  lapack_complex_double* c_t = NULL;
57  /* Check leading dimension(s) */
58  if( lda < m ) {
59  info = -8;
60  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
61  return info;
62  }
63  if( ldb < n ) {
64  info = -10;
65  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
66  return info;
67  }
68  if( ldc < n ) {
69  info = -12;
70  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
71  return info;
72  }
73  /* Allocate memory for temporary array(s) */
74  a_t = (lapack_complex_double*)
75  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,m) );
76  if( a_t == NULL ) {
78  goto exit_level_0;
79  }
80  b_t = (lapack_complex_double*)
81  LAPACKE_malloc( sizeof(lapack_complex_double) * ldb_t * MAX(1,n) );
82  if( b_t == NULL ) {
84  goto exit_level_1;
85  }
86  c_t = (lapack_complex_double*)
87  LAPACKE_malloc( sizeof(lapack_complex_double) * ldc_t * MAX(1,n) );
88  if( c_t == NULL ) {
90  goto exit_level_2;
91  }
92  /* Transpose input matrices */
93  LAPACKE_zge_trans( matrix_layout, m, m, a, lda, a_t, lda_t );
94  LAPACKE_zge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t );
95  LAPACKE_zge_trans( matrix_layout, m, n, c, ldc, c_t, ldc_t );
96  /* Call LAPACK function and adjust info */
97  LAPACK_ztrsyl( &trana, &tranb, &isgn, &m, &n, a_t, &lda_t, b_t, &ldb_t,
98  c_t, &ldc_t, scale, &info );
99  if( info < 0 ) {
100  info = info - 1;
101  }
102  /* Transpose output matrices */
103  LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
104  /* Release memory and exit */
105  LAPACKE_free( c_t );
106 exit_level_2:
107  LAPACKE_free( b_t );
108 exit_level_1:
109  LAPACKE_free( a_t );
110 exit_level_0:
111  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
112  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
113  }
114  } else {
115  info = -1;
116  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
117  }
118  return info;
119 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_double
Definition: lapack.h:63
#define LAPACK_ztrsyl(...)
Definition: lapack.h:21984
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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