LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
lapacke_csyrfsx_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function csyrfsx
30 * Author: Intel Corporation
31 *****************************************************************************/
32 
33 #include "lapacke_utils.h"
34 
35 lapack_int LAPACKE_csyrfsx_work( int matrix_layout, char uplo, char equed,
36  lapack_int n, lapack_int nrhs,
37  const lapack_complex_float* a, lapack_int lda,
38  const lapack_complex_float* af,
39  lapack_int ldaf, const lapack_int* ipiv,
40  const float* s, const lapack_complex_float* b,
42  lapack_int ldx, float* rcond, float* berr,
43  lapack_int n_err_bnds, float* err_bnds_norm,
44  float* err_bnds_comp, lapack_int nparams,
45  float* params, lapack_complex_float* work,
46  float* rwork )
47 {
48  lapack_int info = 0;
49  if( matrix_layout == LAPACK_COL_MAJOR ) {
50  /* Call LAPACK function and adjust info */
51  LAPACK_csyrfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, ipiv, s,
52  b, &ldb, x, &ldx, rcond, berr, &n_err_bnds,
53  err_bnds_norm, err_bnds_comp, &nparams, params, work,
54  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_float* a_t = NULL;
64  lapack_complex_float* af_t = NULL;
65  lapack_complex_float* b_t = NULL;
66  lapack_complex_float* x_t = NULL;
67  float* err_bnds_norm_t = NULL;
68  float* err_bnds_comp_t = NULL;
69  /* Check leading dimension(s) */
70  if( lda < n ) {
71  info = -7;
72  LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
73  return info;
74  }
75  if( ldaf < n ) {
76  info = -9;
77  LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
78  return info;
79  }
80  if( ldb < nrhs ) {
81  info = -13;
82  LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
83  return info;
84  }
85  if( ldx < nrhs ) {
86  info = -15;
87  LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
88  return info;
89  }
90  /* Allocate memory for temporary array(s) */
91  a_t = (lapack_complex_float*)
92  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
93  if( a_t == NULL ) {
95  goto exit_level_0;
96  }
97  af_t = (lapack_complex_float*)
98  LAPACKE_malloc( sizeof(lapack_complex_float) * ldaf_t * MAX(1,n) );
99  if( af_t == NULL ) {
101  goto exit_level_1;
102  }
103  b_t = (lapack_complex_float*)
105  ldb_t * MAX(1,nrhs) );
106  if( b_t == NULL ) {
108  goto exit_level_2;
109  }
110  x_t = (lapack_complex_float*)
112  ldx_t * MAX(1,nrhs) );
113  if( x_t == NULL ) {
115  goto exit_level_3;
116  }
117  err_bnds_norm_t = (float*)
118  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
119  if( err_bnds_norm_t == NULL ) {
121  goto exit_level_4;
122  }
123  err_bnds_comp_t = (float*)
124  LAPACKE_malloc( sizeof(float) * 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_csy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
131  LAPACKE_csy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
132  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
133  LAPACKE_cge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
134  /* Call LAPACK function and adjust info */
135  LAPACK_csyrfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
136  ipiv, s, b_t, &ldb_t, x_t, &ldx_t, rcond, 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  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
144  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
145  nrhs, err_bnds_norm, nrhs );
146  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
147  nrhs, err_bnds_comp, nrhs );
148  /* Release memory and exit */
149  LAPACKE_free( err_bnds_comp_t );
150 exit_level_5:
151  LAPACKE_free( err_bnds_norm_t );
152 exit_level_4:
153  LAPACKE_free( x_t );
154 exit_level_3:
155  LAPACKE_free( b_t );
156 exit_level_2:
157  LAPACKE_free( af_t );
158 exit_level_1:
159  LAPACKE_free( a_t );
160 exit_level_0:
161  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
162  LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
163  }
164  } else {
165  info = -1;
166  LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
167  }
168  return info;
169 }
#define LAPACK_csyrfsx(...)
Definition: lapack.h:17685
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#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_int LAPACKE_csyrfsx_work(int matrix_layout, char uplo, char equed, lapack_int n, lapack_int nrhs, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *af, lapack_int ldaf, const lapack_int *ipiv, const float *s, const lapack_complex_float *b, lapack_int ldb, lapack_complex_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, lapack_complex_float *work, float *rwork)
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_csy_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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)