LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
lapacke_stpmqrt_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 stpmqrt
30 * Author: Intel Corporation
31 *****************************************************************************/
32 
33 #include "lapacke_utils.h"
34 
35 lapack_int LAPACKE_stpmqrt_work( int matrix_layout, char side, char trans,
37  lapack_int l, lapack_int nb, const float* v,
38  lapack_int ldv, const float* t, lapack_int ldt,
39  float* a, lapack_int lda, float* b,
40  lapack_int ldb, float* work )
41 {
42  lapack_int info = 0;
43  if( matrix_layout == LAPACK_COL_MAJOR ) {
44  /* Call LAPACK function and adjust info */
45  LAPACK_stpmqrt( &side, &trans, &m, &n, &k, &l, &nb, v, &ldv, t, &ldt, a,
46  &lda, b, &ldb, work, &info );
47  if( info < 0 ) {
48  info = info - 1;
49  }
50  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
51  lapack_int lda_t = MAX(1,k);
52  lapack_int ldb_t = MAX(1,m);
53  lapack_int ldt_t = MAX(1,ldt);
54  lapack_int ldv_t = MAX(1,ldv);
55  float* v_t = NULL;
56  float* t_t = NULL;
57  float* a_t = NULL;
58  float* b_t = NULL;
59  /* Check leading dimension(s) */
60  if( lda < m ) {
61  info = -14;
62  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
63  return info;
64  }
65  if( ldb < n ) {
66  info = -16;
67  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
68  return info;
69  }
70  if( ldt < nb ) {
71  info = -12;
72  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
73  return info;
74  }
75  if( ldv < k ) {
76  info = -10;
77  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
78  return info;
79  }
80  /* Allocate memory for temporary array(s) */
81  v_t = (float*)LAPACKE_malloc( sizeof(float) * ldv_t * MAX(1,k) );
82  if( v_t == NULL ) {
84  goto exit_level_0;
85  }
86  t_t = (float*)LAPACKE_malloc( sizeof(float) * ldt_t * MAX(1,nb) );
87  if( t_t == NULL ) {
89  goto exit_level_1;
90  }
91  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,m) );
92  if( a_t == NULL ) {
94  goto exit_level_2;
95  }
96  b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) );
97  if( b_t == NULL ) {
99  goto exit_level_3;
100  }
101  /* Transpose input matrices */
102  LAPACKE_sge_trans( matrix_layout, ldv, k, v, ldv, v_t, ldv_t );
103  LAPACKE_sge_trans( matrix_layout, ldt, nb, t, ldt, t_t, ldt_t );
104  LAPACKE_sge_trans( matrix_layout, k, m, a, lda, a_t, lda_t );
105  LAPACKE_sge_trans( matrix_layout, m, n, b, ldb, b_t, ldb_t );
106  /* Call LAPACK function and adjust info */
107  LAPACK_stpmqrt( &side, &trans, &m, &n, &k, &l, &nb, v_t, &ldv_t, t_t,
108  &ldt_t, a_t, &lda_t, b_t, &ldb_t, work, &info );
109  if( info < 0 ) {
110  info = info - 1;
111  }
112  /* Transpose output matrices */
113  LAPACKE_sge_trans( LAPACK_COL_MAJOR, k, m, a_t, lda_t, a, lda );
114  LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
115  /* Release memory and exit */
116  LAPACKE_free( b_t );
117 exit_level_3:
118  LAPACKE_free( a_t );
119 exit_level_2:
120  LAPACKE_free( t_t );
121 exit_level_1:
122  LAPACKE_free( v_t );
123 exit_level_0:
124  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
125  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
126  }
127  } else {
128  info = -1;
129  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
130  }
131  return info;
132 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_stpmqrt(...)
Definition: lapack.h:20806
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
lapack_int LAPACKE_stpmqrt_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, lapack_int l, lapack_int nb, const float *v, lapack_int ldv, const float *t, lapack_int ldt, float *a, lapack_int lda, float *b, lapack_int ldb, float *work)
void LAPACKE_xerbla(const char *name, lapack_int info)
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:46