LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dporfsx_work()

lapack_int LAPACKE_dporfsx_work ( int  matrix_layout,
char  uplo,
char  equed,
lapack_int  n,
lapack_int  nrhs,
const double *  a,
lapack_int  lda,
const double *  af,
lapack_int  ldaf,
const double *  s,
const double *  b,
lapack_int  ldb,
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,
double *  work,
lapack_int *  iwork 
)

Definition at line 35 of file lapacke_dporfsx_work.c.

45{
46 lapack_int info = 0;
47 if( matrix_layout == LAPACK_COL_MAJOR ) {
48 /* Call LAPACK function and adjust info */
49 LAPACK_dporfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, s, b,
50 &ldb, x, &ldx, rcond, berr, &n_err_bnds, err_bnds_norm,
51 err_bnds_comp, &nparams, params, work, iwork, &info );
52 if( info < 0 ) {
53 info = info - 1;
54 }
55 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
56 lapack_int lda_t = MAX(1,n);
57 lapack_int ldaf_t = MAX(1,n);
58 lapack_int ldb_t = MAX(1,n);
59 lapack_int ldx_t = MAX(1,n);
60 double* a_t = NULL;
61 double* af_t = NULL;
62 double* b_t = NULL;
63 double* x_t = NULL;
64 double* err_bnds_norm_t = NULL;
65 double* err_bnds_comp_t = NULL;
66 /* Check leading dimension(s) */
67 if( lda < n ) {
68 info = -7;
69 LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
70 return info;
71 }
72 if( ldaf < n ) {
73 info = -9;
74 LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
75 return info;
76 }
77 if( ldb < nrhs ) {
78 info = -12;
79 LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
80 return info;
81 }
82 if( ldx < nrhs ) {
83 info = -14;
84 LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
85 return info;
86 }
87 /* Allocate memory for temporary array(s) */
88 a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
89 if( a_t == NULL ) {
90 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
91 goto exit_level_0;
92 }
93 af_t = (double*)LAPACKE_malloc( sizeof(double) * ldaf_t * MAX(1,n) );
94 if( af_t == NULL ) {
95 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
96 goto exit_level_1;
97 }
98 b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
99 if( b_t == NULL ) {
100 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
101 goto exit_level_2;
102 }
103 x_t = (double*)LAPACKE_malloc( sizeof(double) * ldx_t * MAX(1,nrhs) );
104 if( x_t == NULL ) {
105 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
106 goto exit_level_3;
107 }
108 err_bnds_norm_t = (double*)
109 LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
110 if( err_bnds_norm_t == NULL ) {
111 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
112 goto exit_level_4;
113 }
114 err_bnds_comp_t = (double*)
115 LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
116 if( err_bnds_comp_t == NULL ) {
117 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
118 goto exit_level_5;
119 }
120 /* Transpose input matrices */
121 LAPACKE_dsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
122 LAPACKE_dsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
123 LAPACKE_dge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
124 LAPACKE_dge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
125 /* Call LAPACK function and adjust info */
126 LAPACK_dporfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, s,
127 b_t, &ldb_t, x_t, &ldx_t, rcond, berr, &n_err_bnds,
128 err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
129 work, iwork, &info );
130 if( info < 0 ) {
131 info = info - 1;
132 }
133 /* Transpose output matrices */
134 LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
135 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
136 nrhs, err_bnds_norm, nrhs );
137 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
138 nrhs, err_bnds_comp, nrhs );
139 /* Release memory and exit */
140 LAPACKE_free( err_bnds_comp_t );
141exit_level_5:
142 LAPACKE_free( err_bnds_norm_t );
143exit_level_4:
144 LAPACKE_free( x_t );
145exit_level_3:
146 LAPACKE_free( b_t );
147exit_level_2:
148 LAPACKE_free( af_t );
149exit_level_1:
150 LAPACKE_free( a_t );
151exit_level_0:
152 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
153 LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
154 }
155 } else {
156 info = -1;
157 LAPACKE_xerbla( "LAPACKE_dporfsx_work", info );
158 }
159 return info;
160}
lapack_int
#define lapack_int
Definition: lapack.h:87
LAPACK_dporfsx
#define LAPACK_dporfsx(...)
Definition: lapack.h:12925
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
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:46
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
LAPACKE_dsy_trans
void LAPACKE_dsy_trans(int matrix_layout, char uplo, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
Definition: lapacke_dsy_trans.c:39
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