LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dptsvx()

lapack_int LAPACKE_dptsvx ( int  matrix_layout,
char  fact,
lapack_int  n,
lapack_int  nrhs,
const double *  d,
const double *  e,
double *  df,
double *  ef,
const double *  b,
lapack_int  ldb,
double *  x,
lapack_int  ldx,
double *  rcond,
double *  ferr,
double *  berr 
)

Definition at line 36 of file lapacke_dptsvx.c.

41 {
42  lapack_int info = 0;
43  double* work = NULL;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_dptsvx", -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, n, nrhs, b, ldb ) ) {
52  return -9;
53  }
54  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
55  return -5;
56  }
57  if( LAPACKE_lsame( fact, 'f' ) ) {
58  if( LAPACKE_d_nancheck( n, df, 1 ) ) {
59  return -7;
60  }
61  }
62  if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
63  return -6;
64  }
65  if( LAPACKE_lsame( fact, 'f' ) ) {
66  if( LAPACKE_d_nancheck( n-1, ef, 1 ) ) {
67  return -8;
68  }
69  }
70  }
71 #endif
72  /* Allocate memory for working array(s) */
73  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
74  if( work == NULL ) {
76  goto exit_level_0;
77  }
78  /* Call middle-level interface */
79  info = LAPACKE_dptsvx_work( matrix_layout, fact, n, nrhs, d, e, df, ef, b,
80  ldb, x, ldx, rcond, ferr, berr, work );
81  /* Release memory and exit */
82  LAPACKE_free( work );
83 exit_level_0:
84  if( info == LAPACK_WORK_MEMORY_ERROR ) {
85  LAPACKE_xerbla( "LAPACKE_dptsvx", 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_int LAPACKE_dptsvx_work(int matrix_layout, char fact, lapack_int n, lapack_int nrhs, const double *d, const double *e, double *df, double *ef, const double *b, lapack_int ldb, double *x, lapack_int ldx, double *rcond, double *ferr, double *berr, double *work)
#define MAX(x, y)
Definition: lapacke_utils.h:47
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_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#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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