LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_spprfs()

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

Definition at line 36 of file lapacke_spprfs.c.

40 {
41  lapack_int info = 0;
42  lapack_int* iwork = NULL;
43  float* work = NULL;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_spprfs", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  /* Optionally check input matrices for NaNs */
50  if( LAPACKE_spp_nancheck( n, afp ) ) {
51  return -6;
52  }
53  if( LAPACKE_spp_nancheck( n, ap ) ) {
54  return -5;
55  }
56  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
57  return -7;
58  }
59  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
60  return -9;
61  }
62 #endif
63  /* Allocate memory for working array(s) */
64  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
65  if( iwork == NULL ) {
67  goto exit_level_0;
68  }
69  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
70  if( work == NULL ) {
72  goto exit_level_1;
73  }
74  /* Call middle-level interface */
75  info = LAPACKE_spprfs_work( matrix_layout, uplo, n, nrhs, ap, afp, b, ldb, x,
76  ldx, ferr, berr, work, iwork );
77  /* Release memory and exit */
78  LAPACKE_free( work );
79 exit_level_1:
80  LAPACKE_free( iwork );
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_spprfs", info );
84  }
85  return info;
86 }
#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_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_spp_nancheck(lapack_int n, const float *ap)
#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_int LAPACKE_spprfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const float *ap, const float *afp, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *ferr, float *berr, float *work, lapack_int *iwork)
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