LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_cposvxx_work.c
Go to the documentation of this file.
1 /*****************************************************************************
2  Copyright (c) 2014, Intel Corp.
3  All rights reserved.
4 
5  Redistribution and use in source and binary forms, with or without
6  modification, are permitted provided that the following conditions are met:
7 
8  * Redistributions of source code must retain the above copyright notice,
9  this list of conditions and the following disclaimer.
10  * Redistributions in binary form must reproduce the above copyright
11  notice, this list of conditions and the following disclaimer in the
12  documentation and/or other materials provided with the distribution.
13  * Neither the name of Intel Corporation nor the names of its contributors
14  may be used to endorse or promote products derived from this software
15  without specific prior written permission.
16 
17  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  THE POSSIBILITY OF SUCH DAMAGE.
28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function cposvxx
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_cposvxx_work( int matrix_layout, char fact, char uplo,
37  lapack_int n, lapack_int nrhs,
40  char* equed, float* s, lapack_complex_float* b,
42  lapack_int ldx, float* rcond, float* rpvgrw,
43  float* berr, lapack_int n_err_bnds,
44  float* err_bnds_norm, float* err_bnds_comp,
45  lapack_int nparams, float* params,
46  lapack_complex_float* work, float* rwork )
47 {
48  lapack_int info = 0;
49  if( matrix_layout == LAPACK_COL_MAJOR ) {
50  /* Call LAPACK function and adjust info */
51  LAPACK_cposvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, equed, s,
52  b, &ldb, x, &ldx, rcond, rpvgrw, 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_cposvxx_work", info );
73  return info;
74  }
75  if( ldaf < n ) {
76  info = -9;
77  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
78  return info;
79  }
80  if( ldb < nrhs ) {
81  info = -13;
82  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
83  return info;
84  }
85  if( ldx < nrhs ) {
86  info = -15;
87  LAPACKE_xerbla( "LAPACKE_cposvxx_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_cpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
131  if( LAPACKE_lsame( fact, 'f' ) ) {
132  LAPACKE_cpo_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
133  }
134  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
135  /* Call LAPACK function and adjust info */
136  LAPACK_cposvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
137  equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw, berr,
138  &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
139  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_cpo_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_cpo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
149  ldaf );
150  }
151  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
152  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
153  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
154  nrhs, err_bnds_norm, n_err_bnds );
155  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
156  nrhs, err_bnds_comp, n_err_bnds );
157  /* Release memory and exit */
158  LAPACKE_free( err_bnds_comp_t );
159 exit_level_5:
160  LAPACKE_free( err_bnds_norm_t );
161 exit_level_4:
162  LAPACKE_free( x_t );
163 exit_level_3:
164  LAPACKE_free( b_t );
165 exit_level_2:
166  LAPACKE_free( af_t );
167 exit_level_1:
168  LAPACKE_free( a_t );
169 exit_level_0:
170  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
171  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
172  }
173  } else {
174  info = -1;
175  LAPACKE_xerbla( "LAPACKE_cposvxx_work", info );
176  }
177  return info;
178 }
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)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
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)
#define lapack_complex_float
Definition: lapacke.h:74
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:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
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)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
void LAPACK_cposvxx(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, lapack_int *info)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123