LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ssyrfsx()

lapack_int LAPACKE_ssyrfsx ( 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 lapack_int ipiv,
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 36 of file lapacke_ssyrfsx.c.

45 {
46  lapack_int info = 0;
47  lapack_int* iwork = NULL;
48  float* work = NULL;
49  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
50  LAPACKE_xerbla( "LAPACKE_ssyrfsx", -1 );
51  return -1;
52  }
53 #ifndef LAPACK_DISABLE_NAN_CHECK
54  if( LAPACKE_get_nancheck() ) {
55  /* Optionally check input matrices for NaNs */
56  if( LAPACKE_ssy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
57  return -6;
58  }
59  if( LAPACKE_ssy_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
60  return -8;
61  }
62  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
63  return -12;
64  }
65  if( nparams>0 ) {
66  if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
67  return -22;
68  }
69  }
70  if( LAPACKE_lsame( equed, 'y' ) ) {
71  if( LAPACKE_s_nancheck( n, s, 1 ) ) {
72  return -11;
73  }
74  }
75  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
76  return -14;
77  }
78  }
79 #endif
80  /* Allocate memory for working array(s) */
81  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
82  if( iwork == NULL ) {
84  goto exit_level_0;
85  }
86  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
87  if( work == NULL ) {
89  goto exit_level_1;
90  }
91  /* Call middle-level interface */
92  info = LAPACKE_ssyrfsx_work( matrix_layout, uplo, equed, n, nrhs, a, lda, af,
93  ldaf, ipiv, s, b, ldb, x, ldx, rcond, berr,
94  n_err_bnds, err_bnds_norm, err_bnds_comp,
95  nparams, params, work, iwork );
96  /* Release memory and exit */
97  LAPACKE_free( work );
98 exit_level_1:
99  LAPACKE_free( iwork );
100 exit_level_0:
101  if( info == LAPACK_WORK_MEMORY_ERROR ) {
102  LAPACKE_xerbla( "LAPACKE_ssyrfsx", info );
103  }
104  return info;
105 }
lapack_logical LAPACKE_ssy_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
#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)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#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_ssyrfsx_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 lapack_int *ipiv, 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)
int LAPACKE_get_nancheck()
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