LAPACK  3.9.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cposvxx_work()

lapack_int LAPACKE_cposvxx_work ( int  matrix_layout,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_float *  a,
lapack_int  lda,
lapack_complex_float *  af,
lapack_int  ldaf,
char *  equed,
float *  s,
lapack_complex_float *  b,
lapack_int  ldb,
lapack_complex_float *  x,
lapack_int  ldx,
float *  rcond,
float *  rpvgrw,
float *  berr,
lapack_int  n_err_bnds,
float *  err_bnds_norm,
float *  err_bnds_comp,
lapack_int  nparams,
float *  params,
lapack_complex_float *  work,
float *  rwork 
)

Definition at line 35 of file lapacke_cposvxx_work.c.

46 {
47  lapack_int info = 0;
48  if( matrix_layout == LAPACK_COL_MAJOR ) {
49  /* Call LAPACK function and adjust info */
50  LAPACK_cposvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, equed, s,
51  b, &ldb, x, &ldx, rcond, rpvgrw, berr, &n_err_bnds,
52  err_bnds_norm, err_bnds_comp, &nparams, params, work,
53  rwork, &info );
54  if( info < 0 ) {
55  info = info - 1;
56  }
57  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
58  lapack_int lda_t = MAX(1,n);
59  lapack_int ldaf_t = MAX(1,n);
60  lapack_int ldb_t = MAX(1,n);
61  lapack_int ldx_t = MAX(1,n);
62  lapack_complex_float* a_t = NULL;
63  lapack_complex_float* af_t = NULL;
64  lapack_complex_float* b_t = NULL;
65  lapack_complex_float* x_t = NULL;
66  float* err_bnds_norm_t = NULL;
67  float* err_bnds_comp_t = NULL;
68  /* Check leading dimension(s) */
69  if( lda < n ) {
70  info = -7;
71  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
72  return info;
73  }
74  if( ldaf < n ) {
75  info = -9;
76  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
77  return info;
78  }
79  if( ldb < nrhs ) {
80  info = -13;
81  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
82  return info;
83  }
84  if( ldx < nrhs ) {
85  info = -15;
86  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
87  return info;
88  }
89  /* Allocate memory for temporary array(s) */
90  a_t = (lapack_complex_float*)
91  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
92  if( a_t == NULL ) {
93  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
94  goto exit_level_0;
95  }
96  af_t = (lapack_complex_float*)
97  LAPACKE_malloc( sizeof(lapack_complex_float) * ldaf_t * MAX(1,n) );
98  if( af_t == NULL ) {
99  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
100  goto exit_level_1;
101  }
102  b_t = (lapack_complex_float*)
103  LAPACKE_malloc( sizeof(lapack_complex_float) *
104  ldb_t * MAX(1,nrhs) );
105  if( b_t == NULL ) {
106  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
107  goto exit_level_2;
108  }
109  x_t = (lapack_complex_float*)
110  LAPACKE_malloc( sizeof(lapack_complex_float) *
111  ldx_t * MAX(1,nrhs) );
112  if( x_t == NULL ) {
113  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
114  goto exit_level_3;
115  }
116  err_bnds_norm_t = (float*)
117  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
118  if( err_bnds_norm_t == NULL ) {
119  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
120  goto exit_level_4;
121  }
122  err_bnds_comp_t = (float*)
123  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
124  if( err_bnds_comp_t == NULL ) {
125  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
126  goto exit_level_5;
127  }
128  /* Transpose input matrices */
129  LAPACKE_cpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
130  if( LAPACKE_lsame( fact, 'f' ) ) {
131  LAPACKE_cpo_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
132  }
133  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
134  /* Call LAPACK function and adjust info */
135  LAPACK_cposvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
136  equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw, berr,
137  &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
138  params, work, rwork, &info );
139  if( info < 0 ) {
140  info = info - 1;
141  }
142  /* Transpose output matrices */
143  if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
144  LAPACKE_cpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
145  }
146  if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
147  LAPACKE_cpo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
148  ldaf );
149  }
150  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
151  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
152  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
153  nrhs, err_bnds_norm, n_err_bnds );
154  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
155  nrhs, err_bnds_comp, n_err_bnds );
156  /* Release memory and exit */
157  LAPACKE_free( err_bnds_comp_t );
158 exit_level_5:
159  LAPACKE_free( err_bnds_norm_t );
160 exit_level_4:
161  LAPACKE_free( x_t );
162 exit_level_3:
163  LAPACKE_free( b_t );
164 exit_level_2:
165  LAPACKE_free( af_t );
166 exit_level_1:
167  LAPACKE_free( a_t );
168 exit_level_0:
169  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
170  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
171  }
172  } else {
173  info = -1;
174  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
175  }
176  return info;
177 }
LAPACK_cposvxx
void LAPACK_cposvxx(char const *fact, char const *uplo, lapack_int const *n, lapack_int const *nrhs, lapack_complex_float *A, lapack_int const *lda, lapack_complex_float *AF, lapack_int const *ldaf, char *equed, float *S, lapack_complex_float *B, lapack_int const *ldb, lapack_complex_float *X, lapack_int const *ldx, float *rcond, float *rpvgrw, float *berr, lapack_int const *n_err_bnds, float *err_bnds_norm, float *err_bnds_comp, lapack_int const *nparams, float *params, lapack_complex_float *work, float *rwork, lapack_int *info)
lapack_int
#define lapack_int
Definition: lapack.h:83
lapack_complex_float
#define lapack_complex_float
Definition: lapack.h:45
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:46
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
LAPACK_TRANSPOSE_MEMORY_ERROR
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
LAPACKE_lsame
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
LAPACKE_sge_trans
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
Definition: lapacke_sge_trans.c:39
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:46
LAPACKE_cge_trans
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
Definition: lapacke_cge_trans.c:39
LAPACKE_cpo_trans
void LAPACKE_cpo_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
Definition: lapacke_cpo_trans.c:39
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