LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
lapacke_ctprfb_work.c
Go to the documentation of this file.
1 /*****************************************************************************
2  Copyright (c) 2010, 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 ctprfb
30 * Author: Intel Corporation
31 * Generated November, 2011
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_ctprfb_work( int matrix_order, char side, char trans,
37  char direct, char storev, lapack_int m,
39  const lapack_complex_float* v, lapack_int ldv,
40  const lapack_complex_float* t, lapack_int ldt,
43  const float* work, lapack_int ldwork )
44 {
45  lapack_int info = 0;
46  if( matrix_order == LAPACK_COL_MAJOR ) {
47  /* Call LAPACK function and adjust info */
48  LAPACK_ctprfb( &side, &trans, &direct, &storev, &m, &n, &k, &l, v, &ldv,
49  t, &ldt, a, &lda, b, &ldb, work, &ldwork );
50  if( info < 0 ) {
51  info = info - 1;
52  }
53  } else if( matrix_order == LAPACK_ROW_MAJOR ) {
54  lapack_int r = LAPACKE_lsame( side, 'r' ) ? k : k;
55  lapack_int lda_t = MAX(1,k);
56  lapack_int ldb_t = MAX(1,m);
57  lapack_int ldt_t = MAX(1,ldt);
58  lapack_int ldv_t = MAX(1,ldv);
59  lapack_complex_float* v_t = NULL;
60  lapack_complex_float* t_t = NULL;
61  lapack_complex_float* a_t = NULL;
62  lapack_complex_float* b_t = NULL;
63  /* Check leading dimension(s) */
64  if( lda < m ) {
65  info = -15;
66  LAPACKE_xerbla( "LAPACKE_ctprfb_work", info );
67  return info;
68  }
69  if( ldb < n ) {
70  info = -17;
71  LAPACKE_xerbla( "LAPACKE_ctprfb_work", info );
72  return info;
73  }
74  if( ldt < k ) {
75  info = -13;
76  LAPACKE_xerbla( "LAPACKE_ctprfb_work", info );
77  return info;
78  }
79  if( ldv < k ) {
80  info = -11;
81  LAPACKE_xerbla( "LAPACKE_ctprfb_work", info );
82  return info;
83  }
84  /* Allocate memory for temporary array(s) */
85  v_t = (lapack_complex_float*)
86  LAPACKE_malloc( sizeof(lapack_complex_float) * ldv_t * MAX(1,k) );
87  if( v_t == NULL ) {
89  goto exit_level_0;
90  }
91  t_t = (lapack_complex_float*)
92  LAPACKE_malloc( sizeof(lapack_complex_float) * ldt_t * MAX(1,k) );
93  if( t_t == NULL ) {
95  goto exit_level_1;
96  }
97  a_t = (lapack_complex_float*)
98  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,m) );
99  if( a_t == NULL ) {
101  goto exit_level_2;
102  }
103  b_t = (lapack_complex_float*)
104  LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
105  if( b_t == NULL ) {
107  goto exit_level_3;
108  }
109  /* Transpose input matrices */
110  LAPACKE_cge_trans( matrix_order, ldv, k, v, ldv, v_t, ldv_t );
111  LAPACKE_cge_trans( matrix_order, ldt, k, t, ldt, t_t, ldt_t );
112  LAPACKE_cge_trans( matrix_order, k, m, a, lda, a_t, lda_t );
113  LAPACKE_cge_trans( matrix_order, m, n, b, ldb, b_t, ldb_t );
114  /* Call LAPACK function and adjust info */
115  LAPACK_ctprfb( &side, &trans, &direct, &storev, &m, &n, &k, &l, v_t,
116  &ldv_t, t_t, &ldt_t, a_t, &lda_t, b_t, &ldb_t, work,
117  &ldwork );
118  info = 0; /* LAPACK call is ok! */
119  /* Transpose output matrices */
120  LAPACKE_cge_trans( LAPACK_COL_MAJOR, k, m, a_t, lda_t, a, lda );
121  LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
122  /* Release memory and exit */
123  LAPACKE_free( b_t );
124 exit_level_3:
125  LAPACKE_free( a_t );
126 exit_level_2:
127  LAPACKE_free( t_t );
128 exit_level_1:
129  LAPACKE_free( v_t );
130 exit_level_0:
131  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
132  LAPACKE_xerbla( "LAPACKE_ctprfb_work", info );
133  }
134  } else {
135  info = -1;
136  LAPACKE_xerbla( "LAPACKE_ctprfb_work", info );
137  }
138  return info;
139 }
void LAPACK_ctprfb(char *side, char *trans, char *direct, char *storev, lapack_int *m, lapack_int *n, lapack_int *k, lapack_int *l, const lapack_complex_float *v, lapack_int *ldv, const lapack_complex_float *t, lapack_int *ldt, lapack_complex_float *a, lapack_int *lda, lapack_complex_float *b, lapack_int *ldb, const float *work, lapack_int *ldwork)
#define lapack_complex_float
Definition: lapacke.h:74
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_cge_trans(int matrix_order, 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
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
lapack_int LAPACKE_ctprfb_work(int matrix_order, char side, char trans, char direct, char storev, lapack_int m, lapack_int n, lapack_int k, lapack_int l, const lapack_complex_float *v, lapack_int ldv, const lapack_complex_float *t, lapack_int ldt, lapack_complex_float *a, lapack_int lda, lapack_complex_float *b, lapack_int ldb, const float *work, lapack_int ldwork)
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define lapack_int
Definition: lapacke.h:47