LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zsysvxx_work()

lapack_int LAPACKE_zsysvxx_work ( int  matrix_layout,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double af,
lapack_int  ldaf,
lapack_int ipiv,
char *  equed,
double *  s,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_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,
lapack_complex_double work,
double *  rwork 
)

Definition at line 35 of file lapacke_zsysvxx_work.c.

47 {
48  lapack_int info = 0;
49  if( matrix_layout == LAPACK_COL_MAJOR ) {
50  /* Call LAPACK function and adjust info */
51  LAPACK_zsysvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, ipiv,
52  equed, s, b, &ldb, x, &ldx, rcond, rpvgrw, berr,
53  &n_err_bnds, err_bnds_norm, err_bnds_comp, &nparams,
54  params, work, rwork, &info );
55  if( info < 0 ) {
56  info = info - 1;
57  }
58  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
59  lapack_int lda_t = MAX(1,n);
60  lapack_int ldaf_t = MAX(1,n);
61  lapack_int ldb_t = MAX(1,n);
62  lapack_int ldx_t = MAX(1,n);
63  lapack_complex_double* a_t = NULL;
64  lapack_complex_double* af_t = NULL;
65  lapack_complex_double* b_t = NULL;
66  lapack_complex_double* x_t = NULL;
67  double* err_bnds_norm_t = NULL;
68  double* err_bnds_comp_t = NULL;
69  /* Check leading dimension(s) */
70  if( lda < n ) {
71  info = -7;
72  LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
73  return info;
74  }
75  if( ldaf < n ) {
76  info = -9;
77  LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
78  return info;
79  }
80  if( ldb < nrhs ) {
81  info = -14;
82  LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
83  return info;
84  }
85  if( ldx < nrhs ) {
86  info = -16;
87  LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
88  return info;
89  }
90  /* Allocate memory for temporary array(s) */
91  a_t = (lapack_complex_double*)
92  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
93  if( a_t == NULL ) {
95  goto exit_level_0;
96  }
97  af_t = (lapack_complex_double*)
98  LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
99  if( af_t == NULL ) {
101  goto exit_level_1;
102  }
103  b_t = (lapack_complex_double*)
105  ldb_t * MAX(1,nrhs) );
106  if( b_t == NULL ) {
108  goto exit_level_2;
109  }
110  x_t = (lapack_complex_double*)
112  ldx_t * MAX(1,nrhs) );
113  if( x_t == NULL ) {
115  goto exit_level_3;
116  }
117  err_bnds_norm_t = (double*)
118  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
119  if( err_bnds_norm_t == NULL ) {
121  goto exit_level_4;
122  }
123  err_bnds_comp_t = (double*)
124  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
125  if( err_bnds_comp_t == NULL ) {
127  goto exit_level_5;
128  }
129  /* Transpose input matrices */
130  LAPACKE_zsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
131  if( LAPACKE_lsame( fact, 'f' ) ) {
132  LAPACKE_zsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
133  }
134  LAPACKE_zge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
135  /* Call LAPACK function and adjust info */
136  LAPACK_zsysvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
137  ipiv, equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw,
138  berr, &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t,
139  &nparams, params, work, rwork, &info );
140  if( info < 0 ) {
141  info = info - 1;
142  }
143  /* Transpose output matrices */
144  if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
145  LAPACKE_zsy_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
146  }
147  if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
148  LAPACKE_zsy_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
149  ldaf );
150  }
151  if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
152  LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
153  }
154  LAPACKE_zge_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( af_t );
169 exit_level_1:
170  LAPACKE_free( a_t );
171 exit_level_0:
172  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
173  LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
174  }
175  } else {
176  info = -1;
177  LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
178  }
179  return info;
180 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_zsysvxx(...)
Definition: lapack.h:18346
#define lapack_complex_double
Definition: lapack.h:63
#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
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_zsy_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
void LAPACKE_dge_trans(int matrix_layout, lapack_int m, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
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