LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sporfsx()

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

Definition at line 35 of file lapacke_sporfsx.c.

43 {
44  lapack_int info = 0;
45  lapack_int* iwork = NULL;
46  float* work = NULL;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_sporfsx", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  if( LAPACKE_get_nancheck() ) {
53  /* Optionally check input matrices for NaNs */
54  if( LAPACKE_ssy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
55  return -6;
56  }
57  if( LAPACKE_ssy_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
58  return -8;
59  }
60  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
61  return -11;
62  }
63  if( nparams>0 ) {
64  if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
65  return -21;
66  }
67  }
68  if( LAPACKE_lsame( equed, 'y' ) ) {
69  if( LAPACKE_s_nancheck( n, s, 1 ) ) {
70  return -10;
71  }
72  }
73  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
74  return -13;
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_sporfsx_work( matrix_layout, uplo, equed, n, nrhs, a, lda, af,
91  ldaf, s, b, ldb, x, ldx, rcond, berr,
92  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_sporfsx", info );
101  }
102  return info;
103 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
lapack_int LAPACKE_sporfsx_work(int matrix_layout, char uplo, char equed, lapack_int n, lapack_int nrhs, const float *a, lapack_int lda, const float *af, lapack_int ldaf, const float *s, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, 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)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
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:46
lapack_logical LAPACKE_ssy_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
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