LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztgsyl()

lapack_int LAPACKE_ztgsyl ( int  matrix_layout,
char  trans,
lapack_int  ijob,
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,
const lapack_complex_double d,
lapack_int  ldd,
const lapack_complex_double e,
lapack_int  lde,
lapack_complex_double f,
lapack_int  ldf,
double *  scale,
double *  dif 
)

Definition at line 36 of file lapacke_ztgsyl.c.

45 {
46  lapack_int info = 0;
47  lapack_int lwork = -1;
48  lapack_int* iwork = NULL;
49  lapack_complex_double* work = NULL;
50  lapack_complex_double work_query;
51  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
52  LAPACKE_xerbla( "LAPACKE_ztgsyl", -1 );
53  return -1;
54  }
55 #ifndef LAPACK_DISABLE_NAN_CHECK
56  /* Optionally check input matrices for NaNs */
57  if( LAPACKE_zge_nancheck( matrix_layout, m, m, a, lda ) ) {
58  return -6;
59  }
60  if( LAPACKE_zge_nancheck( matrix_layout, n, n, b, ldb ) ) {
61  return -8;
62  }
63  if( LAPACKE_zge_nancheck( matrix_layout, m, n, c, ldc ) ) {
64  return -10;
65  }
66  if( LAPACKE_zge_nancheck( matrix_layout, m, m, d, ldd ) ) {
67  return -12;
68  }
69  if( LAPACKE_zge_nancheck( matrix_layout, n, n, e, lde ) ) {
70  return -14;
71  }
72  if( LAPACKE_zge_nancheck( matrix_layout, m, n, f, ldf ) ) {
73  return -16;
74  }
75 #endif
76  /* Allocate memory for working array(s) */
77  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,m+n+2) );
78  if( iwork == NULL ) {
80  goto exit_level_0;
81  }
82  /* Query optimal working array(s) size */
83  info = LAPACKE_ztgsyl_work( matrix_layout, trans, ijob, m, n, a, lda, b, ldb,
84  c, ldc, d, ldd, e, lde, f, ldf, scale, dif,
85  &work_query, lwork, iwork );
86  if( info != 0 ) {
87  goto exit_level_1;
88  }
89  lwork = LAPACK_Z2INT( work_query );
90  /* Allocate memory for work arrays */
91  work = (lapack_complex_double*)
92  LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
93  if( work == NULL ) {
95  goto exit_level_1;
96  }
97  /* Call middle-level interface */
98  info = LAPACKE_ztgsyl_work( matrix_layout, trans, ijob, m, n, a, lda, b, ldb,
99  c, ldc, d, ldd, e, lde, f, ldf, scale, dif,
100  work, lwork, iwork );
101  /* Release memory and exit */
102  LAPACKE_free( work );
103 exit_level_1:
104  LAPACKE_free( iwork );
105 exit_level_0:
106  if( info == LAPACK_WORK_MEMORY_ERROR ) {
107  LAPACKE_xerbla( "LAPACKE_ztgsyl", info );
108  }
109  return info;
110 }
#define LAPACK_Z2INT(x)
Definition: lapacke.h:117
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_double
Definition: lapacke.h:90
logical function lde(RI, RJ, LR)
Definition: dblat2.f:2945
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_int LAPACKE_ztgsyl_work(int matrix_layout, char trans, lapack_int ijob, 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, const lapack_complex_double *d, lapack_int ldd, const lapack_complex_double *e, lapack_int lde, lapack_complex_double *f, lapack_int ldf, double *scale, double *dif, lapack_complex_double *work, lapack_int lwork, lapack_int *iwork)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
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