LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sposvxx()

lapack_int LAPACKE_sposvxx ( int  matrix_layout,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
float *  a,
lapack_int  lda,
float *  af,
lapack_int  ldaf,
char *  equed,
float *  s,
float *  b,
lapack_int  ldb,
float *  x,
lapack_int  ldx,
float *  rcond,
float *  rpvgrw,
float *  berr,
lapack_int  n_err_bnds,
float *  err_bnds_norm,
float *  err_bnds_comp,
lapack_int  nparams,
float *  params 
)

Definition at line 36 of file lapacke_sposvxx.c.

44 {
45  lapack_int info = 0;
46  lapack_int* iwork = NULL;
47  float* work = NULL;
48  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
49  LAPACKE_xerbla( "LAPACKE_sposvxx", -1 );
50  return -1;
51  }
52 #ifndef LAPACK_DISABLE_NAN_CHECK
53  if( LAPACKE_get_nancheck() ) {
54  /* Optionally check input matrices for NaNs */
55  if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
56  return -6;
57  }
58  if( LAPACKE_lsame( fact, 'f' ) ) {
59  if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
60  return -8;
61  }
62  }
63  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
64  return -12;
65  }
66  if( nparams>0 ) {
67  if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
68  return -23;
69  }
70  }
71  if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
72  if( LAPACKE_s_nancheck( n, s, 1 ) ) {
73  return -11;
74  }
75  }
76  }
77 #endif
78  /* Allocate memory for working array(s) */
79  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
80  if( iwork == NULL ) {
82  goto exit_level_0;
83  }
84  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
85  if( work == NULL ) {
87  goto exit_level_1;
88  }
89  /* Call middle-level interface */
90  info = LAPACKE_sposvxx_work( matrix_layout, fact, uplo, n, nrhs, a, lda, af,
91  ldaf, equed, s, b, ldb, x, ldx, rcond, rpvgrw,
92  berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
93  nparams, params, work, iwork );
94  /* Release memory and exit */
95  LAPACKE_free( work );
96 exit_level_1:
97  LAPACKE_free( iwork );
98 exit_level_0:
99  if( info == LAPACK_WORK_MEMORY_ERROR ) {
100  LAPACKE_xerbla( "LAPACKE_sposvxx", info );
101  }
102  return info;
103 }
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
lapack_logical LAPACKE_spo_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
int LAPACKE_get_nancheck()
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
lapack_int LAPACKE_sposvxx_work(int matrix_layout, char fact, char uplo, lapack_int n, lapack_int nrhs, float *a, lapack_int lda, float *af, lapack_int ldaf, char *equed, float *s, float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, float *rpvgrw, float *berr, lapack_int n_err_bnds, float *err_bnds_norm, float *err_bnds_comp, lapack_int nparams, float *params, float *work, lapack_int *iwork)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_xerbla(const char *name, lapack_int info)
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