LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
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 36 of file lapacke_ztrsyl_work.c.

42 {
43  lapack_int info = 0;
44  if( matrix_layout == LAPACK_COL_MAJOR ) {
45  /* Call LAPACK function and adjust info */
46  LAPACK_ztrsyl( &trana, &tranb, &isgn, &m, &n, a, &lda, b, &ldb, c, &ldc,
47  scale, &info );
48  if( info < 0 ) {
49  info = info - 1;
50  }
51  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
52  lapack_int lda_t = MAX(1,m);
53  lapack_int ldb_t = MAX(1,n);
54  lapack_int ldc_t = MAX(1,m);
55  lapack_complex_double* a_t = NULL;
56  lapack_complex_double* b_t = NULL;
57  lapack_complex_double* c_t = NULL;
58  /* Check leading dimension(s) */
59  if( lda < m ) {
60  info = -8;
61  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
62  return info;
63  }
64  if( ldb < n ) {
65  info = -10;
66  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
67  return info;
68  }
69  if( ldc < n ) {
70  info = -12;
71  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
72  return info;
73  }
74  /* Allocate memory for temporary array(s) */
75  a_t = (lapack_complex_double*)
76  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,m) );
77  if( a_t == NULL ) {
79  goto exit_level_0;
80  }
81  b_t = (lapack_complex_double*)
82  LAPACKE_malloc( sizeof(lapack_complex_double) * ldb_t * MAX(1,n) );
83  if( b_t == NULL ) {
85  goto exit_level_1;
86  }
87  c_t = (lapack_complex_double*)
88  LAPACKE_malloc( sizeof(lapack_complex_double) * ldc_t * MAX(1,n) );
89  if( c_t == NULL ) {
91  goto exit_level_2;
92  }
93  /* Transpose input matrices */
94  LAPACKE_zge_trans( matrix_layout, m, m, a, lda, a_t, lda_t );
95  LAPACKE_zge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t );
96  LAPACKE_zge_trans( matrix_layout, m, n, c, ldc, c_t, ldc_t );
97  /* Call LAPACK function and adjust info */
98  LAPACK_ztrsyl( &trana, &tranb, &isgn, &m, &n, a_t, &lda_t, b_t, &ldb_t,
99  c_t, &ldc_t, scale, &info );
100  if( info < 0 ) {
101  info = info - 1;
102  }
103  /* Transpose output matrices */
104  LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
105  /* Release memory and exit */
106  LAPACKE_free( c_t );
107 exit_level_2:
108  LAPACKE_free( b_t );
109 exit_level_1:
110  LAPACKE_free( a_t );
111 exit_level_0:
112  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
113  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
114  }
115  } else {
116  info = -1;
117  LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
118  }
119  return info;
120 }
void LAPACK_ztrsyl(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, lapack_int *info)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#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)

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