LAPACK  3.9.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sspsvx()

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

Definition at line 35 of file lapacke_sspsvx.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_sspsvx", -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_lsame( fact, 'f' ) ) {
53  if( LAPACKE_ssp_nancheck( n, afp ) ) {
54  return -7;
55  }
56  }
57  if( LAPACKE_ssp_nancheck( n, ap ) ) {
58  return -6;
59  }
60  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
61  return -9;
62  }
63  }
64 #endif
65  /* Allocate memory for working array(s) */
66  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
67  if( iwork == NULL ) {
69  goto exit_level_0;
70  }
71  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
72  if( work == NULL ) {
74  goto exit_level_1;
75  }
76  /* Call middle-level interface */
77  info = LAPACKE_sspsvx_work( matrix_layout, fact, uplo, n, nrhs, ap, afp,
78  ipiv, b, ldb, x, ldx, rcond, ferr, berr, work,
79  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_sspsvx", 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
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_ssp_nancheck
lapack_logical LAPACKE_ssp_nancheck(lapack_int n, const float *ap)
Definition: lapacke_ssp_nancheck.c:39
LAPACKE_sspsvx_work
lapack_int LAPACKE_sspsvx_work(int matrix_layout, char fact, char uplo, lapack_int n, lapack_int nrhs, const float *ap, float *afp, lapack_int *ipiv, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, float *ferr, float *berr, float *work, lapack_int *iwork)
Definition: lapacke_sspsvx_work.c:35
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_lsame
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:53
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:54