LAPACK  3.9.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sporfs()

lapack_int LAPACKE_sporfs ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const float *  a,
lapack_int  lda,
const float *  af,
lapack_int  ldaf,
const float *  b,
lapack_int  ldb,
float *  x,
lapack_int  ldx,
float *  ferr,
float *  berr 
)

Definition at line 35 of file lapacke_sporfs.c.

41 {
42  lapack_int info = 0;
43  lapack_int* iwork = NULL;
44  float* work = NULL;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_sporfs", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  if( LAPACKE_get_nancheck() ) {
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
53  return -5;
54  }
55  if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
56  return -7;
57  }
58  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
59  return -9;
60  }
61  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
62  return -11;
63  }
64  }
65 #endif
66  /* Allocate memory for working array(s) */
67  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
68  if( iwork == NULL ) {
70  goto exit_level_0;
71  }
72  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
73  if( work == NULL ) {
75  goto exit_level_1;
76  }
77  /* Call middle-level interface */
78  info = LAPACKE_sporfs_work( matrix_layout, uplo, n, nrhs, a, lda, af, ldaf,
79  b, ldb, x, ldx, ferr, berr, work, iwork );
80  /* Release memory and exit */
81  LAPACKE_free( work );
82 exit_level_1:
83  LAPACKE_free( iwork );
84 exit_level_0:
85  if( info == LAPACK_WORK_MEMORY_ERROR ) {
86  LAPACKE_xerbla( "LAPACKE_sporfs", info );
87  }
88  return info;
Here is the call graph for this function:
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:47
lapack_int
#define lapack_int
Definition: lapack.h:21
LAPACKE_spo_nancheck
lapack_logical LAPACKE_spo_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
Definition: lapacke_spo_nancheck.c:36
LAPACK_WORK_MEMORY_ERROR
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:56
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:47
LAPACKE_sge_nancheck
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
Definition: lapacke_sge_nancheck.c:36
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:44
LAPACKE_get_nancheck
int LAPACKE_get_nancheck()
Definition: lapacke_nancheck.c:42
LAPACKE_sporfs_work
lapack_int LAPACKE_sporfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const float *a, lapack_int lda, const float *af, lapack_int ldaf, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *ferr, float *berr, float *work, lapack_int *iwork)
Definition: lapacke_sporfs_work.c:35
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:53
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:54