LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dlagsy()

lapack_int LAPACKE_dlagsy ( int  matrix_layout,
lapack_int  n,
lapack_int  k,
const double *  d,
double *  a,
lapack_int  lda,
lapack_int iseed 
)

Definition at line 36 of file lapacke_dlagsy.c.

39 {
40  lapack_int info = 0;
41  double* work = NULL;
42  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43  LAPACKE_xerbla( "LAPACKE_dlagsy", -1 );
44  return -1;
45  }
46 #ifndef LAPACK_DISABLE_NAN_CHECK
47  if( LAPACKE_get_nancheck() ) {
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
50  return -4;
51  }
52  }
53 #endif
54  /* Allocate memory for working array(s) */
55  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
56  if( work == NULL ) {
58  goto exit_level_0;
59  }
60  /* Call middle-level interface */
61  info = LAPACKE_dlagsy_work( matrix_layout, n, k, d, a, lda, iseed, work );
62  /* Release memory and exit */
63  LAPACKE_free( work );
64 exit_level_0:
65  if( info == LAPACK_WORK_MEMORY_ERROR ) {
66  LAPACKE_xerbla( "LAPACKE_dlagsy", info );
67  }
68  return info;
69 }
#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_int LAPACKE_dlagsy_work(int matrix_layout, lapack_int n, lapack_int k, const double *d, double *a, lapack_int lda, lapack_int *iseed, double *work)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#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()
Here is the call graph for this function: