LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_ctrsyl_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function ctrsyl
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_ctrsyl_work( int matrix_layout, char trana, char tranb,
37  lapack_int isgn, lapack_int m, lapack_int n,
38  const lapack_complex_float* a, lapack_int lda,
39  const lapack_complex_float* b, lapack_int ldb,
41  float* scale )
42 {
43  lapack_int info = 0;
44  if( matrix_layout == LAPACK_COL_MAJOR ) {
45  /* Call LAPACK function and adjust info */
46  LAPACK_ctrsyl( &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_float* a_t = NULL;
56  lapack_complex_float* b_t = NULL;
57  lapack_complex_float* c_t = NULL;
58  /* Check leading dimension(s) */
59  if( lda < m ) {
60  info = -8;
61  LAPACKE_xerbla( "LAPACKE_ctrsyl_work", info );
62  return info;
63  }
64  if( ldb < n ) {
65  info = -10;
66  LAPACKE_xerbla( "LAPACKE_ctrsyl_work", info );
67  return info;
68  }
69  if( ldc < n ) {
70  info = -12;
71  LAPACKE_xerbla( "LAPACKE_ctrsyl_work", info );
72  return info;
73  }
74  /* Allocate memory for temporary array(s) */
75  a_t = (lapack_complex_float*)
76  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,m) );
77  if( a_t == NULL ) {
79  goto exit_level_0;
80  }
81  b_t = (lapack_complex_float*)
82  LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
83  if( b_t == NULL ) {
85  goto exit_level_1;
86  }
87  c_t = (lapack_complex_float*)
88  LAPACKE_malloc( sizeof(lapack_complex_float) * ldc_t * MAX(1,n) );
89  if( c_t == NULL ) {
91  goto exit_level_2;
92  }
93  /* Transpose input matrices */
94  LAPACKE_cge_trans( matrix_layout, m, m, a, lda, a_t, lda_t );
95  LAPACKE_cge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t );
96  LAPACKE_cge_trans( matrix_layout, m, n, c, ldc, c_t, ldc_t );
97  /* Call LAPACK function and adjust info */
98  LAPACK_ctrsyl( &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_cge_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_ctrsyl_work", info );
114  }
115  } else {
116  info = -1;
117  LAPACKE_xerbla( "LAPACKE_ctrsyl_work", info );
118  }
119  return info;
120 }
lapack_int LAPACKE_ctrsyl_work(int matrix_layout, char trana, char tranb, lapack_int isgn, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *b, lapack_int ldb, lapack_complex_float *c, lapack_int ldc, float *scale)
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
void LAPACK_ctrsyl(char *trana, char *tranb, lapack_int *isgn, lapack_int *m, lapack_int *n, const lapack_complex_float *a, lapack_int *lda, const lapack_complex_float *b, lapack_int *ldb, lapack_complex_float *c, lapack_int *ldc, float *scale, lapack_int *info)
#define lapack_complex_float
Definition: lapacke.h:74
#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