LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zporfsx_work()

lapack_int LAPACKE_zporfsx_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 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_zporfsx_work.c.

47{
48 lapack_int info = 0;
49 if( matrix_layout == LAPACK_COL_MAJOR ) {
50 /* Call LAPACK function and adjust info */
51 LAPACK_zporfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, s, b,
52 &ldb, x, &ldx, rcond, berr, &n_err_bnds, err_bnds_norm,
53 err_bnds_comp, &nparams, params, work, rwork, &info );
54 if( info < 0 ) {
55 info = info - 1;
56 }
57 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
58 lapack_int lda_t = MAX(1,n);
59 lapack_int ldaf_t = MAX(1,n);
60 lapack_int ldb_t = MAX(1,n);
61 lapack_int ldx_t = MAX(1,n);
62 lapack_complex_double* a_t = NULL;
63 lapack_complex_double* af_t = NULL;
64 lapack_complex_double* b_t = NULL;
65 lapack_complex_double* x_t = NULL;
66 double* err_bnds_norm_t = NULL;
67 double* err_bnds_comp_t = NULL;
68 /* Check leading dimension(s) */
69 if( lda < n ) {
70 info = -7;
71 LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
72 return info;
73 }
74 if( ldaf < n ) {
75 info = -9;
76 LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
77 return info;
78 }
79 if( ldb < nrhs ) {
80 info = -12;
81 LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
82 return info;
83 }
84 if( ldx < nrhs ) {
85 info = -14;
86 LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
87 return info;
88 }
89 /* Allocate memory for temporary array(s) */
90 a_t = (lapack_complex_double*)
91 LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
92 if( a_t == NULL ) {
93 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
94 goto exit_level_0;
95 }
96 af_t = (lapack_complex_double*)
97 LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
98 if( af_t == NULL ) {
99 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
100 goto exit_level_1;
101 }
102 b_t = (lapack_complex_double*)
103 LAPACKE_malloc( sizeof(lapack_complex_double) *
104 ldb_t * MAX(1,nrhs) );
105 if( b_t == NULL ) {
106 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
107 goto exit_level_2;
108 }
109 x_t = (lapack_complex_double*)
110 LAPACKE_malloc( sizeof(lapack_complex_double) *
111 ldx_t * MAX(1,nrhs) );
112 if( x_t == NULL ) {
113 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
114 goto exit_level_3;
115 }
116 err_bnds_norm_t = (double*)
117 LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
118 if( err_bnds_norm_t == NULL ) {
119 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
120 goto exit_level_4;
121 }
122 err_bnds_comp_t = (double*)
123 LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
124 if( err_bnds_comp_t == NULL ) {
125 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
126 goto exit_level_5;
127 }
128 /* Transpose input matrices */
129 LAPACKE_zsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
130 LAPACKE_zsy_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
131 LAPACKE_zge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
132 LAPACKE_zge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t );
133 /* Call LAPACK function and adjust info */
134 LAPACK_zporfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, s,
135 b_t, &ldb_t, x_t, &ldx_t, rcond, berr, &n_err_bnds,
136 err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
137 work, rwork, &info );
138 if( info < 0 ) {
139 info = info - 1;
140 }
141 /* Transpose output matrices */
142 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
143 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
144 nrhs, err_bnds_norm, nrhs );
145 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
146 nrhs, err_bnds_comp, nrhs );
147 /* Release memory and exit */
148 LAPACKE_free( err_bnds_comp_t );
149exit_level_5:
150 LAPACKE_free( err_bnds_norm_t );
151exit_level_4:
152 LAPACKE_free( x_t );
153exit_level_3:
154 LAPACKE_free( b_t );
155exit_level_2:
156 LAPACKE_free( af_t );
157exit_level_1:
158 LAPACKE_free( a_t );
159exit_level_0:
160 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
161 LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
162 }
163 } else {
164 info = -1;
165 LAPACKE_xerbla( "LAPACKE_zporfsx_work", info );
166 }
167 return info;
168}
lapack_int
#define lapack_int
Definition: lapack.h:87
LAPACK_zporfsx
#define LAPACK_zporfsx(...)
Definition: lapack.h:12979
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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