LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dgglse()

lapack_int LAPACKE_dgglse ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_int  p,
double *  a,
lapack_int  lda,
double *  b,
lapack_int  ldb,
double *  c,
double *  d,
double *  x 
)

Definition at line 36 of file lapacke_dgglse.c.

39 {
40  lapack_int info = 0;
41  lapack_int lwork = -1;
42  double* work = NULL;
43  double work_query;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_dgglse", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  if( LAPACKE_get_nancheck() ) {
50  /* Optionally check input matrices for NaNs */
51  if( LAPACKE_dge_nancheck( matrix_layout, m, n, a, lda ) ) {
52  return -5;
53  }
54  if( LAPACKE_dge_nancheck( matrix_layout, p, n, b, ldb ) ) {
55  return -7;
56  }
57  if( LAPACKE_d_nancheck( m, c, 1 ) ) {
58  return -9;
59  }
60  if( LAPACKE_d_nancheck( p, d, 1 ) ) {
61  return -10;
62  }
63  }
64 #endif
65  /* Query optimal working array(s) size */
66  info = LAPACKE_dgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
67  &work_query, lwork );
68  if( info != 0 ) {
69  goto exit_level_0;
70  }
71  lwork = (lapack_int)work_query;
72  /* Allocate memory for work arrays */
73  work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
74  if( work == NULL ) {
76  goto exit_level_0;
77  }
78  /* Call middle-level interface */
79  info = LAPACKE_dgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
80  work, lwork );
81  /* Release memory and exit */
82  LAPACKE_free( work );
83 exit_level_0:
84  if( info == LAPACK_WORK_MEMORY_ERROR ) {
85  LAPACKE_xerbla( "LAPACKE_dgglse", info );
86  }
87  return info;
88 }
#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
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
lapack_int LAPACKE_dgglse_work(int matrix_layout, lapack_int m, lapack_int n, lapack_int p, double *a, lapack_int lda, double *b, lapack_int ldb, double *c, double *d, double *x, double *work, lapack_int lwork)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
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