LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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lapacke_csyrfsx_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:
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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
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25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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27 THE POSSIBILITY OF SUCH DAMAGE.
28*****************************************************************************
29* Contents: Native middle-level C interface to LAPACK function csyrfsx
30* Author: Intel Corporation
31*****************************************************************************/
32
33#include "lapacke_utils.h"
34
35lapack_int LAPACKE_csyrfsx_work( int matrix_layout, char uplo, char equed,
36 lapack_int n, lapack_int nrhs,
37 const lapack_complex_float* a, lapack_int lda,
38 const lapack_complex_float* af,
39 lapack_int ldaf, const lapack_int* ipiv,
40 const float* s, const lapack_complex_float* b,
42 lapack_int ldx, float* rcond, float* berr,
43 lapack_int n_err_bnds, float* err_bnds_norm,
44 float* err_bnds_comp, lapack_int nparams,
45 float* params, lapack_complex_float* work,
46 float* rwork )
47{
48 lapack_int info = 0;
49 if( matrix_layout == LAPACK_COL_MAJOR ) {
50 /* Call LAPACK function and adjust info */
51 LAPACK_csyrfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, ipiv, s,
52 b, &ldb, x, &ldx, rcond, berr, &n_err_bnds,
53 err_bnds_norm, err_bnds_comp, &nparams, params, work,
54 rwork, &info );
55 if( info < 0 ) {
56 info = info - 1;
57 }
58 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
59 lapack_int lda_t = MAX(1,n);
60 lapack_int ldaf_t = MAX(1,n);
61 lapack_int ldb_t = MAX(1,n);
62 lapack_int ldx_t = MAX(1,n);
63 lapack_complex_float* a_t = NULL;
64 lapack_complex_float* af_t = NULL;
65 lapack_complex_float* b_t = NULL;
66 lapack_complex_float* x_t = NULL;
67 float* err_bnds_norm_t = NULL;
68 float* err_bnds_comp_t = NULL;
69 /* Check leading dimension(s) */
70 if( lda < n ) {
71 info = -7;
72 LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
73 return info;
74 }
75 if( ldaf < n ) {
76 info = -9;
77 LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
78 return info;
79 }
80 if( ldb < nrhs ) {
81 info = -13;
82 LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
83 return info;
84 }
85 if( ldx < nrhs ) {
86 info = -15;
87 LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
88 return info;
89 }
90 /* Allocate memory for temporary array(s) */
92 LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
93 if( a_t == NULL ) {
95 goto exit_level_0;
96 }
97 af_t = (lapack_complex_float*)
98 LAPACKE_malloc( sizeof(lapack_complex_float) * ldaf_t * MAX(1,n) );
99 if( af_t == NULL ) {
101 goto exit_level_1;
102 }
103 b_t = (lapack_complex_float*)
105 ldb_t * MAX(1,nrhs) );
106 if( b_t == NULL ) {
108 goto exit_level_2;
109 }
110 x_t = (lapack_complex_float*)
112 ldx_t * MAX(1,nrhs) );
113 if( x_t == NULL ) {
115 goto exit_level_3;
116 }
117 err_bnds_norm_t = (float*)
118 LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
119 if( err_bnds_norm_t == NULL ) {
121 goto exit_level_4;
122 }
123 err_bnds_comp_t = (float*)
124 LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
125 if( err_bnds_comp_t == NULL ) {
127 goto exit_level_5;
128 }
129 /* Transpose input matrices */
130 LAPACKE_csy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
131 LAPACKE_csy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
132 LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
133 LAPACKE_cge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
134 /* Call LAPACK function and adjust info */
135 LAPACK_csyrfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
136 ipiv, s, b_t, &ldb_t, x_t, &ldx_t, rcond, berr,
137 &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
138 params, work, rwork, &info );
139 if( info < 0 ) {
140 info = info - 1;
141 }
142 /* Transpose output matrices */
143 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
144 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
145 nrhs, err_bnds_norm, nrhs );
146 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
147 nrhs, err_bnds_comp, nrhs );
148 /* Release memory and exit */
149 LAPACKE_free( err_bnds_comp_t );
150exit_level_5:
151 LAPACKE_free( err_bnds_norm_t );
152exit_level_4:
153 LAPACKE_free( x_t );
154exit_level_3:
155 LAPACKE_free( b_t );
156exit_level_2:
157 LAPACKE_free( af_t );
158exit_level_1:
159 LAPACKE_free( a_t );
160exit_level_0:
161 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
162 LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
163 }
164 } else {
165 info = -1;
166 LAPACKE_xerbla( "LAPACKE_csyrfsx_work", info );
167 }
168 return info;
169}
#define LAPACK_csyrfsx(...)
Definition: lapack.h:17701
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#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_csyrfsx_work(int matrix_layout, char uplo, char equed, lapack_int n, lapack_int nrhs, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *af, lapack_int ldaf, const lapack_int *ipiv, const float *s, const lapack_complex_float *b, lapack_int ldb, lapack_complex_float *x, lapack_int ldx, float *rcond, 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)
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_csy_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
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
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)