LAPACK  3.8.0
LAPACK: Linear Algebra PACKage
lapacke_cgbsvxx_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 cgbsvxx
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_cgbsvxx_work( int matrix_layout, char fact, char trans,
40  lapack_int ldafb, lapack_int* ipiv,
41  char* equed, float* r, float* c,
44  float* rcond, float* rpvgrw, float* berr,
45  lapack_int n_err_bnds, float* err_bnds_norm,
46  float* err_bnds_comp, lapack_int nparams,
47  float* params, lapack_complex_float* work,
48  float* rwork )
49 {
50  lapack_int info = 0;
51  if( matrix_layout == LAPACK_COL_MAJOR ) {
52  /* Call LAPACK function and adjust info */
53  LAPACK_cgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab, &ldab, afb,
54  &ldafb, ipiv, equed, r, c, b, &ldb, x, &ldx, rcond,
55  rpvgrw, berr, &n_err_bnds, err_bnds_norm, err_bnds_comp,
56  &nparams, params, work, rwork, &info );
57  if( info < 0 ) {
58  info = info - 1;
59  }
60  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
61  lapack_int ldab_t = MAX(1,kl+ku+1);
62  lapack_int ldafb_t = MAX(1,2*kl+ku+1);
63  lapack_int ldb_t = MAX(1,n);
64  lapack_int ldx_t = MAX(1,n);
65  lapack_complex_float* ab_t = NULL;
66  lapack_complex_float* afb_t = NULL;
67  lapack_complex_float* b_t = NULL;
68  lapack_complex_float* x_t = NULL;
69  float* err_bnds_norm_t = NULL;
70  float* err_bnds_comp_t = NULL;
71  /* Check leading dimension(s) */
72  if( ldab < n ) {
73  info = -9;
74  LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
75  return info;
76  }
77  if( ldafb < n ) {
78  info = -11;
79  LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
80  return info;
81  }
82  if( ldb < nrhs ) {
83  info = -17;
84  LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
85  return info;
86  }
87  if( ldx < nrhs ) {
88  info = -19;
89  LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
90  return info;
91  }
92  /* Allocate memory for temporary array(s) */
93  ab_t = (lapack_complex_float*)
94  LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
95  if( ab_t == NULL ) {
97  goto exit_level_0;
98  }
99  afb_t = (lapack_complex_float*)
100  LAPACKE_malloc( sizeof(lapack_complex_float) * ldafb_t * MAX(1,n) );
101  if( afb_t == NULL ) {
103  goto exit_level_1;
104  }
105  b_t = (lapack_complex_float*)
107  ldb_t * MAX(1,nrhs) );
108  if( b_t == NULL ) {
110  goto exit_level_2;
111  }
112  x_t = (lapack_complex_float*)
114  ldx_t * MAX(1,nrhs) );
115  if( x_t == NULL ) {
117  goto exit_level_3;
118  }
119  err_bnds_norm_t = (float*)
120  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
121  if( err_bnds_norm_t == NULL ) {
123  goto exit_level_4;
124  }
125  err_bnds_comp_t = (float*)
126  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
127  if( err_bnds_comp_t == NULL ) {
129  goto exit_level_5;
130  }
131  /* Transpose input matrices */
132  LAPACKE_cgb_trans( matrix_layout, n, n, kl, ku, ab, ldab, ab_t, ldab_t );
133  if( LAPACKE_lsame( fact, 'f' ) ) {
134  LAPACKE_cgb_trans( matrix_layout, n, n, kl, kl+ku, afb, ldafb, afb_t,
135  ldafb_t );
136  }
137  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
138  /* Call LAPACK function and adjust info */
139  LAPACK_cgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab_t, &ldab_t,
140  afb_t, &ldafb_t, ipiv, equed, r, c, b_t, &ldb_t, x_t,
141  &ldx_t, rcond, rpvgrw, berr, &n_err_bnds,
142  err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
143  work, rwork, &info );
144  if( info < 0 ) {
145  info = info - 1;
146  }
147  /* Transpose output matrices */
148  if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
149  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
150  LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, ku, ab_t, ldab_t, ab,
151  ldab );
152  }
153  if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
154  LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, kl+ku, afb_t,
155  ldafb_t, afb, ldafb );
156  }
157  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
158  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
159  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
160  }
161  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
162  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
163  nrhs, err_bnds_norm, n_err_bnds );
164  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
165  nrhs, err_bnds_comp, n_err_bnds );
166  /* Release memory and exit */
167  LAPACKE_free( err_bnds_comp_t );
168 exit_level_5:
169  LAPACKE_free( err_bnds_norm_t );
170 exit_level_4:
171  LAPACKE_free( x_t );
172 exit_level_3:
173  LAPACKE_free( b_t );
174 exit_level_2:
175  LAPACKE_free( afb_t );
176 exit_level_1:
177  LAPACKE_free( ab_t );
178 exit_level_0:
179  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
180  LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
181  }
182  } else {
183  info = -1;
184  LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
185  }
186  return info;
187 }
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
void LAPACKE_cgb_trans(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_float
Definition: lapacke.h:74
lapack_int LAPACKE_cgbsvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, lapack_complex_float *ab, lapack_int ldab, lapack_complex_float *afb, lapack_int ldafb, 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)
#define lapack_int
Definition: lapacke.h:47
void LAPACK_cgbsvxx(char *fact, char *trans, lapack_int *n, lapack_int *kl, lapack_int *ku, lapack_int *nrhs, lapack_complex_float *ab, lapack_int *ldab, lapack_complex_float *afb, lapack_int *ldafb, 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)
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)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_xerbla(const char *name, lapack_int info)