LAPACK  3.8.0
LAPACK: Linear Algebra PACKage
lapacke_dgbsvxx_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function dgbsvxx
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_dgbsvxx_work( int matrix_layout, char fact, char trans,
38  lapack_int nrhs, double* ab, lapack_int ldab,
39  double* afb, lapack_int ldafb,
40  lapack_int* ipiv, char* equed, double* r,
41  double* c, double* b, lapack_int ldb,
42  double* x, lapack_int ldx, double* rcond,
43  double* rpvgrw, double* berr,
44  lapack_int n_err_bnds, double* err_bnds_norm,
45  double* err_bnds_comp, lapack_int nparams,
46  double* params, double* work,
47  lapack_int* iwork )
48 {
49  lapack_int info = 0;
50  if( matrix_layout == LAPACK_COL_MAJOR ) {
51  /* Call LAPACK function and adjust info */
52  LAPACK_dgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab, &ldab, afb,
53  &ldafb, ipiv, equed, r, c, b, &ldb, x, &ldx, rcond,
54  rpvgrw, berr, &n_err_bnds, err_bnds_norm, err_bnds_comp,
55  &nparams, params, work, iwork, &info );
56  if( info < 0 ) {
57  info = info - 1;
58  }
59  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
60  lapack_int ldab_t = MAX(1,kl+ku+1);
61  lapack_int ldafb_t = MAX(1,2*kl+ku+1);
62  lapack_int ldb_t = MAX(1,n);
63  lapack_int ldx_t = MAX(1,n);
64  double* ab_t = NULL;
65  double* afb_t = NULL;
66  double* b_t = NULL;
67  double* x_t = NULL;
68  double* err_bnds_norm_t = NULL;
69  double* err_bnds_comp_t = NULL;
70  /* Check leading dimension(s) */
71  if( ldab < n ) {
72  info = -9;
73  LAPACKE_xerbla( "LAPACKE_dgbsvxx_work", info );
74  return info;
75  }
76  if( ldafb < n ) {
77  info = -11;
78  LAPACKE_xerbla( "LAPACKE_dgbsvxx_work", info );
79  return info;
80  }
81  if( ldb < nrhs ) {
82  info = -17;
83  LAPACKE_xerbla( "LAPACKE_dgbsvxx_work", info );
84  return info;
85  }
86  if( ldx < nrhs ) {
87  info = -19;
88  LAPACKE_xerbla( "LAPACKE_dgbsvxx_work", info );
89  return info;
90  }
91  /* Allocate memory for temporary array(s) */
92  ab_t = (double*)LAPACKE_malloc( sizeof(double) * ldab_t * MAX(1,n) );
93  if( ab_t == NULL ) {
95  goto exit_level_0;
96  }
97  afb_t = (double*)LAPACKE_malloc( sizeof(double) * ldafb_t * MAX(1,n) );
98  if( afb_t == NULL ) {
100  goto exit_level_1;
101  }
102  b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
103  if( b_t == NULL ) {
105  goto exit_level_2;
106  }
107  x_t = (double*)LAPACKE_malloc( sizeof(double) * ldx_t * MAX(1,nrhs) );
108  if( x_t == NULL ) {
110  goto exit_level_3;
111  }
112  err_bnds_norm_t = (double*)
113  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
114  if( err_bnds_norm_t == NULL ) {
116  goto exit_level_4;
117  }
118  err_bnds_comp_t = (double*)
119  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
120  if( err_bnds_comp_t == NULL ) {
122  goto exit_level_5;
123  }
124  /* Transpose input matrices */
125  LAPACKE_dgb_trans( matrix_layout, n, n, kl, ku, ab, ldab, ab_t, ldab_t );
126  if( LAPACKE_lsame( fact, 'f' ) ) {
127  LAPACKE_dgb_trans( matrix_layout, n, n, kl, kl+ku, afb, ldafb, afb_t,
128  ldafb_t );
129  }
130  LAPACKE_dge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
131  /* Call LAPACK function and adjust info */
132  LAPACK_dgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab_t, &ldab_t,
133  afb_t, &ldafb_t, ipiv, equed, r, c, b_t, &ldb_t, x_t,
134  &ldx_t, rcond, rpvgrw, berr, &n_err_bnds,
135  err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
136  work, iwork, &info );
137  if( info < 0 ) {
138  info = info - 1;
139  }
140  /* Transpose output matrices */
141  if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
142  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
143  LAPACKE_dgb_trans( LAPACK_COL_MAJOR, n, n, kl, ku, ab_t, ldab_t, ab,
144  ldab );
145  }
146  if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
147  LAPACKE_dgb_trans( LAPACK_COL_MAJOR, n, n, kl, kl+ku, afb_t,
148  ldafb_t, afb, ldafb );
149  }
150  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
151  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
152  LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
153  }
154  LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
155  LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
156  nrhs, err_bnds_norm, n_err_bnds );
157  LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
158  nrhs, err_bnds_comp, n_err_bnds );
159  /* Release memory and exit */
160  LAPACKE_free( err_bnds_comp_t );
161 exit_level_5:
162  LAPACKE_free( err_bnds_norm_t );
163 exit_level_4:
164  LAPACKE_free( x_t );
165 exit_level_3:
166  LAPACKE_free( b_t );
167 exit_level_2:
168  LAPACKE_free( afb_t );
169 exit_level_1:
170  LAPACKE_free( ab_t );
171 exit_level_0:
172  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
173  LAPACKE_xerbla( "LAPACKE_dgbsvxx_work", info );
174  }
175  } else {
176  info = -1;
177  LAPACKE_xerbla( "LAPACKE_dgbsvxx_work", info );
178  }
179  return info;
180 }
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_dgb_trans(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const double *in, lapack_int ldin, double *out, lapack_int ldout)
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
void LAPACK_dgbsvxx(char *fact, char *trans, lapack_int *n, lapack_int *kl, lapack_int *ku, lapack_int *nrhs, double *ab, lapack_int *ldab, double *afb, lapack_int *ldafb, lapack_int *ipiv, char *equed, double *r, double *c, double *b, lapack_int *ldb, double *x, lapack_int *ldx, double *rcond, double *rpvgrw, 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, lapack_int *info)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
void LAPACKE_dge_trans(int matrix_layout, lapack_int m, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
#define lapack_int
Definition: lapacke.h:47
lapack_int LAPACKE_dgbsvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, double *ab, lapack_int ldab, double *afb, lapack_int ldafb, lapack_int *ipiv, char *equed, double *r, double *c, double *b, lapack_int ldb, double *x, lapack_int ldx, double *rcond, double *rpvgrw, 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)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#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)