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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 zsysvxx
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33
34 #include "lapacke_utils.h"
35
LAPACKE_zsysvxx_work(int matrix_layout,char fact,char uplo,lapack_int n,lapack_int nrhs,lapack_complex_double * a,lapack_int lda,lapack_complex_double * af,lapack_int ldaf,lapack_int * ipiv,char * equed,double * s,lapack_complex_double * b,lapack_int ldb,lapack_complex_double * x,lapack_int ldx,double * rcond,double * rpvgrw,double * berr,lapack_int n_err_bnds,double * err_bnds_norm,double * err_bnds_comp,lapack_int nparams,double * params,lapack_complex_double * work,double * rwork)36 lapack_int LAPACKE_zsysvxx_work( int matrix_layout, char fact, char uplo,
37 lapack_int n, lapack_int nrhs,
38 lapack_complex_double* a, lapack_int lda,
39 lapack_complex_double* af, lapack_int ldaf,
40 lapack_int* ipiv, char* equed, double* s,
41 lapack_complex_double* b, lapack_int ldb,
42 lapack_complex_double* x, lapack_int ldx,
43 double* rcond, double* rpvgrw, double* berr,
44 lapack_int n_err_bnds, double* err_bnds_norm,
45 double* err_bnds_comp, lapack_int nparams,
46 double* params, lapack_complex_double* work,
47 double* rwork )
48 {
49 lapack_int info = 0;
50 if( matrix_layout == LAPACK_COL_MAJOR ) {
51 /* Call LAPACK function and adjust info */
52 LAPACK_zsysvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, ipiv,
53 equed, s, b, &ldb, x, &ldx, rcond, rpvgrw, berr,
54 &n_err_bnds, err_bnds_norm, err_bnds_comp, &nparams,
55 params, work, rwork, &info );
56 if( info < 0 ) {
57 info = info - 1;
58 }
59 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
60 lapack_int lda_t = MAX(1,n);
61 lapack_int ldaf_t = MAX(1,n);
62 lapack_int ldb_t = MAX(1,n);
63 lapack_int ldx_t = MAX(1,n);
64 lapack_complex_double* a_t = NULL;
65 lapack_complex_double* af_t = NULL;
66 lapack_complex_double* b_t = NULL;
67 lapack_complex_double* x_t = NULL;
68 double* err_bnds_norm_t = NULL;
69 double* err_bnds_comp_t = NULL;
70 /* Check leading dimension(s) */
71 if( lda < n ) {
72 info = -7;
73 LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
74 return info;
75 }
76 if( ldaf < n ) {
77 info = -9;
78 LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
79 return info;
80 }
81 if( ldb < nrhs ) {
82 info = -14;
83 LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
84 return info;
85 }
86 if( ldx < nrhs ) {
87 info = -16;
88 LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
89 return info;
90 }
91 /* Allocate memory for temporary array(s) */
92 a_t = (lapack_complex_double*)
93 LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
94 if( a_t == NULL ) {
95 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
96 goto exit_level_0;
97 }
98 af_t = (lapack_complex_double*)
99 LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
100 if( af_t == NULL ) {
101 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
102 goto exit_level_1;
103 }
104 b_t = (lapack_complex_double*)
105 LAPACKE_malloc( sizeof(lapack_complex_double) *
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_double*)
112 LAPACKE_malloc( sizeof(lapack_complex_double) *
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 = (double*)
119 LAPACKE_malloc( sizeof(double) * 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 = (double*)
125 LAPACKE_malloc( sizeof(double) * 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_zsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
132 if( LAPACKE_lsame( fact, 'f' ) ) {
133 LAPACKE_zsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
134 }
135 LAPACKE_zge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
136 /* Call LAPACK function and adjust info */
137 LAPACK_zsysvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
138 ipiv, equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw,
139 berr, &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t,
140 &nparams, params, work, rwork, &info );
141 if( info < 0 ) {
142 info = info - 1;
143 }
144 /* Transpose output matrices */
145 if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
146 LAPACKE_zsy_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
147 }
148 if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
149 LAPACKE_zsy_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
150 ldaf );
151 }
152 if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
153 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
154 }
155 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
156 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
157 nrhs, err_bnds_norm, n_err_bnds );
158 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
159 nrhs, err_bnds_comp, n_err_bnds );
160 /* Release memory and exit */
161 LAPACKE_free( err_bnds_comp_t );
162 exit_level_5:
163 LAPACKE_free( err_bnds_norm_t );
164 exit_level_4:
165 LAPACKE_free( x_t );
166 exit_level_3:
167 LAPACKE_free( b_t );
168 exit_level_2:
169 LAPACKE_free( af_t );
170 exit_level_1:
171 LAPACKE_free( a_t );
172 exit_level_0:
173 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
174 LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
175 }
176 } else {
177 info = -1;
178 LAPACKE_xerbla( "LAPACKE_zsysvxx_work", info );
179 }
180 return info;
181 }
182