LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zporfs()

lapack_int LAPACKE_zporfs ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_double a,
lapack_int  lda,
const lapack_complex_double af,
lapack_int  ldaf,
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_zporfs.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_zporfs", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_zpo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
53  return -5;
54  }
55  if( LAPACKE_zpo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
56  return -7;
57  }
58  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
59  return -9;
60  }
61  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
62  return -11;
63  }
64 #endif
65  /* Allocate memory for working array(s) */
66  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
67  if( rwork == NULL ) {
69  goto exit_level_0;
70  }
71  work = (lapack_complex_double*)
72  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
73  if( work == NULL ) {
75  goto exit_level_1;
76  }
77  /* Call middle-level interface */
78  info = LAPACKE_zporfs_work( matrix_layout, uplo, n, nrhs, a, lda, af, ldaf,
79  b, ldb, x, ldx, ferr, berr, work, rwork );
80  /* Release memory and exit */
81  LAPACKE_free( work );
82 exit_level_1:
83  LAPACKE_free( rwork );
84 exit_level_0:
85  if( info == LAPACK_WORK_MEMORY_ERROR ) {
86  LAPACKE_xerbla( "LAPACKE_zporfs", info );
87  }
88  return info;
89 }
#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
lapack_int LAPACKE_zporfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_double *a, lapack_int lda, const lapack_complex_double *af, lapack_int ldaf, 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)
lapack_logical LAPACKE_zpo_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#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)
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