LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
lapacke_sporfsx_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function sporfsx
30 * Author: Intel Corporation
31 *****************************************************************************/
32 
33 #include "lapacke_utils.h"
34 
35 lapack_int LAPACKE_sporfsx_work( int matrix_layout, char uplo, char equed,
36  lapack_int n, lapack_int nrhs, const float* a,
37  lapack_int lda, const float* af,
38  lapack_int ldaf, const float* s,
39  const float* b, lapack_int ldb, float* x,
40  lapack_int ldx, float* rcond, float* berr,
41  lapack_int n_err_bnds, float* err_bnds_norm,
42  float* err_bnds_comp, lapack_int nparams,
43  float* params, float* work, lapack_int* iwork )
44 {
45  lapack_int info = 0;
46  if( matrix_layout == LAPACK_COL_MAJOR ) {
47  /* Call LAPACK function and adjust info */
48  LAPACK_sporfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, s, b,
49  &ldb, x, &ldx, rcond, berr, &n_err_bnds, err_bnds_norm,
50  err_bnds_comp, &nparams, params, work, iwork, &info );
51  if( info < 0 ) {
52  info = info - 1;
53  }
54  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
55  lapack_int lda_t = MAX(1,n);
56  lapack_int ldaf_t = MAX(1,n);
57  lapack_int ldb_t = MAX(1,n);
58  lapack_int ldx_t = MAX(1,n);
59  float* a_t = NULL;
60  float* af_t = NULL;
61  float* b_t = NULL;
62  float* x_t = NULL;
63  float* err_bnds_norm_t = NULL;
64  float* err_bnds_comp_t = NULL;
65  /* Check leading dimension(s) */
66  if( lda < n ) {
67  info = -7;
68  LAPACKE_xerbla( "LAPACKE_sporfsx_work", info );
69  return info;
70  }
71  if( ldaf < n ) {
72  info = -9;
73  LAPACKE_xerbla( "LAPACKE_sporfsx_work", info );
74  return info;
75  }
76  if( ldb < nrhs ) {
77  info = -12;
78  LAPACKE_xerbla( "LAPACKE_sporfsx_work", info );
79  return info;
80  }
81  if( ldx < nrhs ) {
82  info = -14;
83  LAPACKE_xerbla( "LAPACKE_sporfsx_work", info );
84  return info;
85  }
86  /* Allocate memory for temporary array(s) */
87  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
88  if( a_t == NULL ) {
90  goto exit_level_0;
91  }
92  af_t = (float*)LAPACKE_malloc( sizeof(float) * ldaf_t * MAX(1,n) );
93  if( af_t == NULL ) {
95  goto exit_level_1;
96  }
97  b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
98  if( b_t == NULL ) {
100  goto exit_level_2;
101  }
102  x_t = (float*)LAPACKE_malloc( sizeof(float) * ldx_t * MAX(1,nrhs) );
103  if( x_t == NULL ) {
105  goto exit_level_3;
106  }
107  err_bnds_norm_t = (float*)
108  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
109  if( err_bnds_norm_t == NULL ) {
111  goto exit_level_4;
112  }
113  err_bnds_comp_t = (float*)
114  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
115  if( err_bnds_comp_t == NULL ) {
117  goto exit_level_5;
118  }
119  /* Transpose input matrices */
120  LAPACKE_ssy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
121  LAPACKE_ssy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
122  LAPACKE_sge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
123  LAPACKE_sge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
124  /* Call LAPACK function and adjust info */
125  LAPACK_sporfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, s,
126  b_t, &ldb_t, x_t, &ldx_t, rcond, berr, &n_err_bnds,
127  err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
128  work, iwork, &info );
129  if( info < 0 ) {
130  info = info - 1;
131  }
132  /* Transpose output matrices */
133  LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
134  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
135  nrhs, err_bnds_norm, nrhs );
136  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
137  nrhs, err_bnds_comp, nrhs );
138  /* Release memory and exit */
139  LAPACKE_free( err_bnds_comp_t );
140 exit_level_5:
141  LAPACKE_free( err_bnds_norm_t );
142 exit_level_4:
143  LAPACKE_free( x_t );
144 exit_level_3:
145  LAPACKE_free( b_t );
146 exit_level_2:
147  LAPACKE_free( af_t );
148 exit_level_1:
149  LAPACKE_free( a_t );
150 exit_level_0:
151  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
152  LAPACKE_xerbla( "LAPACKE_sporfsx_work", info );
153  }
154  } else {
155  info = -1;
156  LAPACKE_xerbla( "LAPACKE_sporfsx_work", info );
157  }
158  return info;
159 }
#define LAPACK_sporfsx(...)
Definition: lapack.h:12936
#define lapack_int
Definition: lapack.h:83
#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_sporfsx_work(int matrix_layout, char uplo, char equed, lapack_int n, lapack_int nrhs, const float *a, lapack_int lda, const float *af, lapack_int ldaf, const float *s, const float *b, lapack_int ldb, 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, float *work, lapack_int *iwork)
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_ssy_trans(int matrix_layout, char uplo, lapack_int n, const float *in, lapack_int ldin, 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