LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zpprfs()

lapack_int LAPACKE_zpprfs ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_double ap,
const lapack_complex_double afp,
const lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double x,
lapack_int  ldx,
double *  ferr,
double *  berr 
)

Definition at line 36 of file lapacke_zpprfs.c.

42 {
43  lapack_int info = 0;
44  double* rwork = NULL;
45  lapack_complex_double* work = NULL;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_zpprfs", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  if( LAPACKE_get_nancheck() ) {
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_zpp_nancheck( n, afp ) ) {
54  return -6;
55  }
56  if( LAPACKE_zpp_nancheck( n, ap ) ) {
57  return -5;
58  }
59  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
60  return -7;
61  }
62  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
63  return -9;
64  }
65  }
66 #endif
67  /* Allocate memory for working array(s) */
68  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
69  if( rwork == NULL ) {
71  goto exit_level_0;
72  }
73  work = (lapack_complex_double*)
74  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
75  if( work == NULL ) {
77  goto exit_level_1;
78  }
79  /* Call middle-level interface */
80  info = LAPACKE_zpprfs_work( matrix_layout, uplo, n, nrhs, ap, afp, b, ldb, x,
81  ldx, ferr, berr, work, rwork );
82  /* Release memory and exit */
83  LAPACKE_free( work );
84 exit_level_1:
85  LAPACKE_free( rwork );
86 exit_level_0:
87  if( info == LAPACK_WORK_MEMORY_ERROR ) {
88  LAPACKE_xerbla( "LAPACKE_zpprfs", info );
89  }
90  return info;
91 }
#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
#define MAX(x, y)
Definition: lapacke_utils.h:47
#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
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_zpp_nancheck(lapack_int n, const lapack_complex_double *ap)
lapack_int LAPACKE_zpprfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_double *ap, const lapack_complex_double *afp, const lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *ferr, double *berr, lapack_complex_double *work, double *rwork)
int LAPACKE_get_nancheck()
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