LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dporfsx_work()

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

Definition at line 35 of file lapacke_dporfsx_work.c.

45 {
46  lapack_int info = 0;
47  if( matrix_layout == LAPACK_COL_MAJOR ) {
48  /* Call LAPACK function and adjust info */
49  LAPACK_dporfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, s, b,
50  &ldb, x, &ldx, rcond, berr, &n_err_bnds, err_bnds_norm,
51  err_bnds_comp, &nparams, params, work, iwork, &info );
52  if( info < 0 ) {
53  info = info - 1;
54  }
55  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
56  lapack_int lda_t = MAX(1,n);
57  lapack_int ldaf_t = MAX(1,n);
58  lapack_int ldb_t = MAX(1,n);
59  lapack_int ldx_t = MAX(1,n);
60  double* a_t = NULL;
61  double* af_t = NULL;
62  double* b_t = NULL;
63  double* x_t = NULL;
64  double* err_bnds_norm_t = NULL;
65  double* err_bnds_comp_t = NULL;
66  /* Check leading dimension(s) */
67  if( lda < n ) {
68  info = -7;
69  LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
70  return info;
71  }
72  if( ldaf < n ) {
73  info = -9;
74  LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
75  return info;
76  }
77  if( ldb < nrhs ) {
78  info = -12;
79  LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
80  return info;
81  }
82  if( ldx < nrhs ) {
83  info = -14;
84  LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
85  return info;
86  }
87  /* Allocate memory for temporary array(s) */
88  a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
89  if( a_t == NULL ) {
91  goto exit_level_0;
92  }
93  af_t = (double*)LAPACKE_malloc( sizeof(double) * ldaf_t * MAX(1,n) );
94  if( af_t == NULL ) {
96  goto exit_level_1;
97  }
98  b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
99  if( b_t == NULL ) {
101  goto exit_level_2;
102  }
103  x_t = (double*)LAPACKE_malloc( sizeof(double) * ldx_t * MAX(1,nrhs) );
104  if( x_t == NULL ) {
106  goto exit_level_3;
107  }
108  err_bnds_norm_t = (double*)
109  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
110  if( err_bnds_norm_t == NULL ) {
112  goto exit_level_4;
113  }
114  err_bnds_comp_t = (double*)
115  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
116  if( err_bnds_comp_t == NULL ) {
118  goto exit_level_5;
119  }
120  /* Transpose input matrices */
121  LAPACKE_dsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
122  LAPACKE_dsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
123  LAPACKE_dge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
124  LAPACKE_dge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
125  /* Call LAPACK function and adjust info */
126  LAPACK_dporfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, s,
127  b_t, &ldb_t, x_t, &ldx_t, rcond, berr, &n_err_bnds,
128  err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
129  work, iwork, &info );
130  if( info < 0 ) {
131  info = info - 1;
132  }
133  /* Transpose output matrices */
134  LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
135  LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
136  nrhs, err_bnds_norm, nrhs );
137  LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
138  nrhs, err_bnds_comp, nrhs );
139  /* Release memory and exit */
140  LAPACKE_free( err_bnds_comp_t );
141 exit_level_5:
142  LAPACKE_free( err_bnds_norm_t );
143 exit_level_4:
144  LAPACKE_free( x_t );
145 exit_level_3:
146  LAPACKE_free( b_t );
147 exit_level_2:
148  LAPACKE_free( af_t );
149 exit_level_1:
150  LAPACKE_free( a_t );
151 exit_level_0:
152  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
153  LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
154  }
155  } else {
156  info = -1;
157  LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
158  }
159  return info;
160 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_dporfsx(...)
Definition: lapack.h:12909
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_dge_trans(int matrix_layout, lapack_int m, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
void LAPACKE_dsy_trans(int matrix_layout, char uplo, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
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