LAPACK  3.10.1
LAPACK: Linear Algebra PACKage
lapacke_zporfsx_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function zporfsx
30 * Author: Intel Corporation
31 *****************************************************************************/
32 
33 #include "lapacke_utils.h"
34 
35 lapack_int LAPACKE_zporfsx_work( int matrix_layout, char uplo, char equed,
36  lapack_int n, lapack_int nrhs,
37  const lapack_complex_double* a, lapack_int lda,
38  const lapack_complex_double* af,
39  lapack_int ldaf, const double* s,
40  const lapack_complex_double* b, lapack_int ldb,
42  double* rcond, double* berr,
43  lapack_int n_err_bnds, double* err_bnds_norm,
44  double* err_bnds_comp, lapack_int nparams,
45  double* params, lapack_complex_double* work,
46  double* rwork )
47 {
48  lapack_int info = 0;
49  if( matrix_layout == LAPACK_COL_MAJOR ) {
50  /* Call LAPACK function and adjust info */
51  LAPACK_zporfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, s, b,
52  &ldb, x, &ldx, rcond, berr, &n_err_bnds, err_bnds_norm,
53  err_bnds_comp, &nparams, params, work, 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_double* a_t = NULL;
63  lapack_complex_double* af_t = NULL;
64  lapack_complex_double* b_t = NULL;
65  lapack_complex_double* x_t = NULL;
66  double* err_bnds_norm_t = NULL;
67  double* err_bnds_comp_t = NULL;
68  /* Check leading dimension(s) */
69  if( lda < n ) {
70  info = -7;
71  LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
72  return info;
73  }
74  if( ldaf < n ) {
75  info = -9;
76  LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
77  return info;
78  }
79  if( ldb < nrhs ) {
80  info = -12;
81  LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
82  return info;
83  }
84  if( ldx < nrhs ) {
85  info = -14;
86  LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
87  return info;
88  }
89  /* Allocate memory for temporary array(s) */
90  a_t = (lapack_complex_double*)
91  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
92  if( a_t == NULL ) {
94  goto exit_level_0;
95  }
96  af_t = (lapack_complex_double*)
97  LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
98  if( af_t == NULL ) {
100  goto exit_level_1;
101  }
102  b_t = (lapack_complex_double*)
104  ldb_t * MAX(1,nrhs) );
105  if( b_t == NULL ) {
107  goto exit_level_2;
108  }
109  x_t = (lapack_complex_double*)
111  ldx_t * MAX(1,nrhs) );
112  if( x_t == NULL ) {
114  goto exit_level_3;
115  }
116  err_bnds_norm_t = (double*)
117  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
118  if( err_bnds_norm_t == NULL ) {
120  goto exit_level_4;
121  }
122  err_bnds_comp_t = (double*)
123  LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
124  if( err_bnds_comp_t == NULL ) {
126  goto exit_level_5;
127  }
128  /* Transpose input matrices */
129  LAPACKE_zsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
130  LAPACKE_zsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
131  LAPACKE_zge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
132  LAPACKE_zge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
133  /* Call LAPACK function and adjust info */
134  LAPACK_zporfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, s,
135  b_t, &ldb_t, x_t, &ldx_t, rcond, berr, &n_err_bnds,
136  err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
137  work, rwork, &info );
138  if( info < 0 ) {
139  info = info - 1;
140  }
141  /* Transpose output matrices */
142  LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
143  LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
144  nrhs, err_bnds_norm, nrhs );
145  LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
146  nrhs, err_bnds_comp, nrhs );
147  /* Release memory and exit */
148  LAPACKE_free( err_bnds_comp_t );
149 exit_level_5:
150  LAPACKE_free( err_bnds_norm_t );
151 exit_level_4:
152  LAPACKE_free( x_t );
153 exit_level_3:
154  LAPACKE_free( b_t );
155 exit_level_2:
156  LAPACKE_free( af_t );
157 exit_level_1:
158  LAPACKE_free( a_t );
159 exit_level_0:
160  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
161  LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
162  }
163  } else {
164  info = -1;
165  LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
166  }
167  return info;
168 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_zporfsx(...)
Definition: lapack.h:12963
#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
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)
lapack_int LAPACKE_zporfsx_work(int matrix_layout, char uplo, char equed, lapack_int n, lapack_int nrhs, const lapack_complex_double *a, lapack_int lda, const lapack_complex_double *af, lapack_int ldaf, const double *s, const lapack_complex_double *b, lapack_int ldb, lapack_complex_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, lapack_complex_double *work, double *rwork)