LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_cgesvxx_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 cgesvxx
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_cgesvxx_work( int matrix_layout, char fact, char trans,
37  lapack_int n, lapack_int nrhs,
38  lapack_complex_float* a, lapack_int lda,
39  lapack_complex_float* af, lapack_int ldaf,
40  lapack_int* ipiv, char* equed, float* r,
41  float* c, lapack_complex_float* b,
42  lapack_int ldb, lapack_complex_float* x,
43  lapack_int ldx, float* rcond, float* rpvgrw,
44  float* berr, lapack_int n_err_bnds,
45  float* err_bnds_norm, float* err_bnds_comp,
46  lapack_int nparams, float* params,
47  lapack_complex_float* work, float* rwork )
48 {
49  lapack_int info = 0;
50  if( matrix_layout == LAPACK_COL_MAJOR ) {
51  /* Call LAPACK function and adjust info */
52  LAPACK_cgesvxx( &fact, &trans, &n, &nrhs, a, &lda, af, &ldaf, ipiv,
53  equed, r, c, b, &ldb, x, &ldx, rcond, rpvgrw, berr,
54  &n_err_bnds, err_bnds_norm, err_bnds_comp, &nparams,
55  params, work, rwork, &info );
56  if( info < 0 ) {
57  info = info - 1;
58  }
59  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
60  lapack_int lda_t = MAX(1,n);
61  lapack_int ldaf_t = MAX(1,n);
62  lapack_int ldb_t = MAX(1,n);
63  lapack_int ldx_t = MAX(1,n);
64  lapack_complex_float* a_t = NULL;
65  lapack_complex_float* af_t = NULL;
66  lapack_complex_float* b_t = NULL;
67  lapack_complex_float* x_t = NULL;
68  float* err_bnds_norm_t = NULL;
69  float* err_bnds_comp_t = NULL;
70  /* Check leading dimension(s) */
71  if( lda < n ) {
72  info = -7;
73  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
74  return info;
75  }
76  if( ldaf < n ) {
77  info = -9;
78  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
79  return info;
80  }
81  if( ldb < nrhs ) {
82  info = -15;
83  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
84  return info;
85  }
86  if( ldx < nrhs ) {
87  info = -17;
88  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
89  return info;
90  }
91  /* Allocate memory for temporary array(s) */
92  a_t = (lapack_complex_float*)
93  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
94  if( a_t == NULL ) {
95  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
96  goto exit_level_0;
97  }
98  af_t = (lapack_complex_float*)
99  LAPACKE_malloc( sizeof(lapack_complex_float) * ldaf_t * MAX(1,n) );
100  if( af_t == NULL ) {
101  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
102  goto exit_level_1;
103  }
104  b_t = (lapack_complex_float*)
105  LAPACKE_malloc( sizeof(lapack_complex_float) *
106  ldb_t * MAX(1,nrhs) );
107  if( b_t == NULL ) {
108  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
109  goto exit_level_2;
110  }
111  x_t = (lapack_complex_float*)
112  LAPACKE_malloc( sizeof(lapack_complex_float) *
113  ldx_t * MAX(1,nrhs) );
114  if( x_t == NULL ) {
115  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
116  goto exit_level_3;
117  }
118  err_bnds_norm_t = (float*)
119  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
120  if( err_bnds_norm_t == NULL ) {
121  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
122  goto exit_level_4;
123  }
124  err_bnds_comp_t = (float*)
125  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
126  if( err_bnds_comp_t == NULL ) {
127  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
128  goto exit_level_5;
129  }
130  /* Transpose input matrices */
131  LAPACKE_cge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
132  if( LAPACKE_lsame( fact, 'f' ) ) {
133  LAPACKE_cge_trans( matrix_layout, n, n, af, ldaf, af_t, ldaf_t );
134  }
135  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
136  /* Call LAPACK function and adjust info */
137  LAPACK_cgesvxx( &fact, &trans, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
138  ipiv, equed, r, c, b_t, &ldb_t, x_t, &ldx_t, rcond,
139  rpvgrw, berr, &n_err_bnds, err_bnds_norm_t,
140  err_bnds_comp_t, &nparams, params, work, rwork, &info );
141  if( info < 0 ) {
142  info = info - 1;
143  }
144  /* Transpose output matrices */
145  if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
146  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
147  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
148  }
149  if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
150  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, af_t, ldaf_t, af, ldaf );
151  }
152  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
153  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
154  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
155  }
156  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
157  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
158  nrhs, err_bnds_norm, n_err_bnds );
159  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
160  nrhs, err_bnds_comp, n_err_bnds );
161  /* Release memory and exit */
162  LAPACKE_free( err_bnds_comp_t );
163 exit_level_5:
164  LAPACKE_free( err_bnds_norm_t );
165 exit_level_4:
166  LAPACKE_free( x_t );
167 exit_level_3:
168  LAPACKE_free( b_t );
169 exit_level_2:
170  LAPACKE_free( af_t );
171 exit_level_1:
172  LAPACKE_free( a_t );
173 exit_level_0:
174  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
175  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
176  }
177  } else {
178  info = -1;
179  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
180  }
181  return info;
182 }
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:40
LAPACK_cgesvxx
void LAPACK_cgesvxx(char *fact, char *trans, lapack_int *n, lapack_int *nrhs, lapack_complex_float *a, lapack_int *lda, lapack_complex_float *af, lapack_int *ldaf, lapack_int *ipiv, char *equed, float *r, float *c, 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_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_complex_float
#define lapack_complex_float
Definition: lapacke.h:74
lapacke_utils.h
LAPACKE_cgesvxx_work
lapack_int LAPACKE_cgesvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int nrhs, lapack_complex_float *a, lapack_int lda, lapack_complex_float *af, lapack_int ldaf, lapack_int *ipiv, char *equed, float *r, float *c, 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: lapacke_cgesvxx_work.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:40
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:47
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:113
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
LAPACKE_lsame
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:37
lapack_int
#define lapack_int
Definition: lapacke.h:47
LAPACK_TRANSPOSE_MEMORY_ERROR
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123