LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zsyrfsx_work()

lapack_int LAPACKE_zsyrfsx_work ( int  matrix_layout,
char  uplo,
char  equed,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_double *  a,
lapack_int  lda,
const lapack_complex_double *  af,
lapack_int  ldaf,
const lapack_int *  ipiv,
const double *  s,
const lapack_complex_double *  b,
lapack_int  ldb,
lapack_complex_double *  x,
lapack_int  ldx,
double *  rcond,
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 
)

Definition at line 35 of file lapacke_zsyrfsx_work.c.

48{
49 lapack_int info = 0;
50 if( matrix_layout == LAPACK_COL_MAJOR ) {
51 /* Call LAPACK function and adjust info */
52 LAPACK_zsyrfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, ipiv, s,
53 b, &ldb, x, &ldx, rcond, berr, &n_err_bnds,
54 err_bnds_norm, err_bnds_comp, &nparams, params, work,
55 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_zsyrfsx_work", info );
74 return info;
75 }
76 if( ldaf < n ) {
77 info = -9;
78 LAPACKE_xerbla( "LAPACKE_zsyrfsx_work", info );
79 return info;
80 }
81 if( ldb < nrhs ) {
82 info = -13;
83 LAPACKE_xerbla( "LAPACKE_zsyrfsx_work", info );
84 return info;
85 }
86 if( ldx < nrhs ) {
87 info = -15;
88 LAPACKE_xerbla( "LAPACKE_zsyrfsx_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 LAPACKE_zsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
133 LAPACKE_zge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
134 LAPACKE_zge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
135 /* Call LAPACK function and adjust info */
136 LAPACK_zsyrfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
137 ipiv, s, b_t, &ldb_t, x_t, &ldx_t, rcond, berr,
138 &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
139 params, work, rwork, &info );
140 if( info < 0 ) {
141 info = info - 1;
142 }
143 /* Transpose output matrices */
144 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
145 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
146 nrhs, err_bnds_norm, nrhs );
147 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
148 nrhs, err_bnds_comp, nrhs );
149 /* Release memory and exit */
150 LAPACKE_free( err_bnds_comp_t );
151exit_level_5:
152 LAPACKE_free( err_bnds_norm_t );
153exit_level_4:
154 LAPACKE_free( x_t );
155exit_level_3:
156 LAPACKE_free( b_t );
157exit_level_2:
158 LAPACKE_free( af_t );
159exit_level_1:
160 LAPACKE_free( a_t );
161exit_level_0:
162 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
163 LAPACKE_xerbla( "LAPACKE_zsyrfsx_work", info );
164 }
165 } else {
166 info = -1;
167 LAPACKE_xerbla( "LAPACKE_zsyrfsx_work", info );
168 }
169 return info;
170}
LAPACK_zsyrfsx
#define LAPACK_zsyrfsx(...)
Definition: lapack.h:17782
lapack_int
#define lapack_int
Definition: lapack.h:87
lapack_complex_double
#define lapack_complex_double
Definition: lapack.h:64
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:46
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
LAPACK_TRANSPOSE_MEMORY_ERROR
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
LAPACKE_zge_trans
void LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
Definition: lapacke_zge_trans.c:39
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:46
LAPACKE_zsy_trans
void LAPACKE_zsy_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
Definition: lapacke_zsy_trans.c:39
LAPACKE_dge_trans
void LAPACKE_dge_trans(int matrix_layout, lapack_int m, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
Definition: lapacke_dge_trans.c:39
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