LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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lapacke_cgbsvxx_work.c
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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*****************************************************************************/
32
33#include "lapacke_utils.h"
34
35lapack_int LAPACKE_cgbsvxx_work( int matrix_layout, char fact, char trans,
36 lapack_int n, lapack_int kl, lapack_int ku,
37 lapack_int nrhs, lapack_complex_float* ab,
38 lapack_int ldab, lapack_complex_float* afb,
39 lapack_int ldafb, lapack_int* ipiv,
40 char* equed, float* r, float* c,
41 lapack_complex_float* b, lapack_int ldb,
42 lapack_complex_float* x, lapack_int ldx,
43 float* rcond, float* rpvgrw, float* berr,
44 lapack_int n_err_bnds, float* err_bnds_norm,
45 float* err_bnds_comp, lapack_int nparams,
46 float* params, lapack_complex_float* work,
47 float* rwork )
48{
49 lapack_int info = 0;
50 if( matrix_layout == LAPACK_COL_MAJOR ) {
51 /* Call LAPACK function and adjust info */
52 LAPACK_cgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab, &ldab, afb,
53 &ldafb, ipiv, equed, r, c, b, &ldb, x, &ldx, rcond,
54 rpvgrw, berr, &n_err_bnds, err_bnds_norm, err_bnds_comp,
55 &nparams, params, work, rwork, &info );
56 if( info < 0 ) {
57 info = info - 1;
58 }
59 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
60 lapack_int ldab_t = MAX(1,kl+ku+1);
61 lapack_int ldafb_t = MAX(1,2*kl+ku+1);
62 lapack_int ldb_t = MAX(1,n);
63 lapack_int ldx_t = MAX(1,n);
64 lapack_complex_float* ab_t = NULL;
65 lapack_complex_float* afb_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( ldab < n ) {
72 info = -9;
73 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
74 return info;
75 }
76 if( ldafb < n ) {
77 info = -11;
78 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
79 return info;
80 }
81 if( ldb < nrhs ) {
82 info = -17;
83 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
84 return info;
85 }
86 if( ldx < nrhs ) {
87 info = -19;
88 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
89 return info;
90 }
91 /* Allocate memory for temporary array(s) */
92 ab_t = (lapack_complex_float*)
93 LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
94 if( ab_t == NULL ) {
95 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
96 goto exit_level_0;
97 }
98 afb_t = (lapack_complex_float*)
99 LAPACKE_malloc( sizeof(lapack_complex_float) * ldafb_t * MAX(1,n) );
100 if( afb_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_cgb_trans( matrix_layout, n, n, kl, ku, ab, ldab, ab_t, ldab_t );
132 if( LAPACKE_lsame( fact, 'f' ) ) {
133 LAPACKE_cgb_trans( matrix_layout, n, n, kl, kl+ku, afb, ldafb, afb_t,
134 ldafb_t );
135 }
136 LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
137 /* Call LAPACK function and adjust info */
138 LAPACK_cgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab_t, &ldab_t,
139 afb_t, &ldafb_t, ipiv, equed, r, c, b_t, &ldb_t, x_t,
140 &ldx_t, rcond, rpvgrw, berr, &n_err_bnds,
141 err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
142 work, rwork, &info );
143 if( info < 0 ) {
144 info = info - 1;
145 }
146 /* Transpose output matrices */
147 if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
148 LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
149 LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, ku, ab_t, ldab_t, ab,
150 ldab );
151 }
152 if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
153 LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, kl+ku, afb_t,
154 ldafb_t, afb, ldafb );
155 }
156 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
157 LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
158 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
159 }
160 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
161 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
162 nrhs, err_bnds_norm, n_err_bnds );
163 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
164 nrhs, err_bnds_comp, n_err_bnds );
165 /* Release memory and exit */
166 LAPACKE_free( err_bnds_comp_t );
167exit_level_5:
168 LAPACKE_free( err_bnds_norm_t );
169exit_level_4:
170 LAPACKE_free( x_t );
171exit_level_3:
172 LAPACKE_free( b_t );
173exit_level_2:
174 LAPACKE_free( afb_t );
175exit_level_1:
176 LAPACKE_free( ab_t );
177exit_level_0:
178 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
179 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
180 }
181 } else {
182 info = -1;
183 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
184 }
185 return info;
186}
lapack_int
#define lapack_int
Definition: lapack.h:87
LAPACK_cgbsvxx
#define LAPACK_cgbsvxx(...)
Definition: lapack.h:1101
lapack_complex_float
#define lapack_complex_float
Definition: lapack.h:46
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:46
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
LAPACK_TRANSPOSE_MEMORY_ERROR
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
LAPACKE_cgbsvxx_work
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)
Definition: lapacke_cgbsvxx_work.c:35
LAPACKE_lsame
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
LAPACKE_cgb_trans
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)
Definition: lapacke_cgb_trans.c:39
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:39
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:46
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:39
lapacke_utils.h