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2 Copyright (c) 2014, Intel Corp.
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function stgsyl
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33
34 #include "lapacke_utils.h"
35
LAPACKE_stgsyl_work(int matrix_layout,char trans,lapack_int ijob,lapack_int m,lapack_int n,const float * a,lapack_int lda,const float * b,lapack_int ldb,float * c,lapack_int ldc,const float * d,lapack_int ldd,const float * e,lapack_int lde,float * f,lapack_int ldf,float * scale,float * dif,float * work,lapack_int lwork,lapack_int * iwork)36 lapack_int LAPACKE_stgsyl_work( int matrix_layout, char trans, lapack_int ijob,
37 lapack_int m, lapack_int n, const float* a,
38 lapack_int lda, const float* b, lapack_int ldb,
39 float* c, lapack_int ldc, const float* d,
40 lapack_int ldd, const float* e, lapack_int lde,
41 float* f, lapack_int ldf, float* scale,
42 float* dif, float* work, lapack_int lwork,
43 lapack_int* iwork )
44 {
45 lapack_int info = 0;
46 if( matrix_layout == LAPACK_COL_MAJOR ) {
47 /* Call LAPACK function and adjust info */
48 LAPACK_stgsyl( &trans, &ijob, &m, &n, a, &lda, b, &ldb, c, &ldc, d,
49 &ldd, e, &lde, f, &ldf, scale, dif, work, &lwork, iwork,
50 &info );
51 if( info < 0 ) {
52 info = info - 1;
53 }
54 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
55 lapack_int lda_t = MAX(1,m);
56 lapack_int ldb_t = MAX(1,n);
57 lapack_int ldc_t = MAX(1,m);
58 lapack_int ldd_t = MAX(1,m);
59 lapack_int lde_t = MAX(1,n);
60 lapack_int ldf_t = MAX(1,m);
61 float* a_t = NULL;
62 float* b_t = NULL;
63 float* c_t = NULL;
64 float* d_t = NULL;
65 float* e_t = NULL;
66 float* f_t = NULL;
67 /* Check leading dimension(s) */
68 if( lda < m ) {
69 info = -7;
70 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
71 return info;
72 }
73 if( ldb < n ) {
74 info = -9;
75 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
76 return info;
77 }
78 if( ldc < n ) {
79 info = -11;
80 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
81 return info;
82 }
83 if( ldd < m ) {
84 info = -13;
85 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
86 return info;
87 }
88 if( lde < n ) {
89 info = -15;
90 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
91 return info;
92 }
93 if( ldf < n ) {
94 info = -17;
95 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
96 return info;
97 }
98 /* Query optimal working array(s) size if requested */
99 if( lwork == -1 ) {
100 LAPACK_stgsyl( &trans, &ijob, &m, &n, a, &lda_t, b, &ldb_t, c,
101 &ldc_t, d, &ldd_t, e, &lde_t, f, &ldf_t, scale, dif,
102 work, &lwork, iwork, &info );
103 return (info < 0) ? (info - 1) : info;
104 }
105 /* Allocate memory for temporary array(s) */
106 a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,m) );
107 if( a_t == NULL ) {
108 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
109 goto exit_level_0;
110 }
111 b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) );
112 if( b_t == NULL ) {
113 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
114 goto exit_level_1;
115 }
116 c_t = (float*)LAPACKE_malloc( sizeof(float) * ldc_t * MAX(1,n) );
117 if( c_t == NULL ) {
118 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
119 goto exit_level_2;
120 }
121 d_t = (float*)LAPACKE_malloc( sizeof(float) * ldd_t * MAX(1,m) );
122 if( d_t == NULL ) {
123 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
124 goto exit_level_3;
125 }
126 e_t = (float*)LAPACKE_malloc( sizeof(float) * lde_t * MAX(1,n) );
127 if( e_t == NULL ) {
128 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
129 goto exit_level_4;
130 }
131 f_t = (float*)LAPACKE_malloc( sizeof(float) * ldf_t * MAX(1,n) );
132 if( f_t == NULL ) {
133 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
134 goto exit_level_5;
135 }
136 /* Transpose input matrices */
137 LAPACKE_sge_trans( matrix_layout, m, m, a, lda, a_t, lda_t );
138 LAPACKE_sge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t );
139 LAPACKE_sge_trans( matrix_layout, m, n, c, ldc, c_t, ldc_t );
140 LAPACKE_sge_trans( matrix_layout, m, m, d, ldd, d_t, ldd_t );
141 LAPACKE_sge_trans( matrix_layout, n, n, e, lde, e_t, lde_t );
142 LAPACKE_sge_trans( matrix_layout, m, n, f, ldf, f_t, ldf_t );
143 /* Call LAPACK function and adjust info */
144 LAPACK_stgsyl( &trans, &ijob, &m, &n, a_t, &lda_t, b_t, &ldb_t, c_t,
145 &ldc_t, d_t, &ldd_t, e_t, &lde_t, f_t, &ldf_t, scale,
146 dif, work, &lwork, iwork, &info );
147 if( info < 0 ) {
148 info = info - 1;
149 }
150 /* Transpose output matrices */
151 LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
152 LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, f_t, ldf_t, f, ldf );
153 /* Release memory and exit */
154 LAPACKE_free( f_t );
155 exit_level_5:
156 LAPACKE_free( e_t );
157 exit_level_4:
158 LAPACKE_free( d_t );
159 exit_level_3:
160 LAPACKE_free( c_t );
161 exit_level_2:
162 LAPACKE_free( b_t );
163 exit_level_1:
164 LAPACKE_free( a_t );
165 exit_level_0:
166 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
167 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
168 }
169 } else {
170 info = -1;
171 LAPACKE_xerbla( "LAPACKE_stgsyl_work", info );
172 }
173 return info;
174 }
175