LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dposvxx_work()

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

Definition at line 35 of file lapacke_dposvxx_work.c.

45{
46 lapack_int info = 0;
47 if( matrix_layout == LAPACK_COL_MAJOR ) {
48 /* Call LAPACK function and adjust info */
49 LAPACK_dposvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, equed, s,
50 b, &ldb, x, &ldx, rcond, rpvgrw, berr, &n_err_bnds,
51 err_bnds_norm, err_bnds_comp, &nparams, params, work,
52 iwork, &info );
53 if( info < 0 ) {
54 info = info - 1;
55 }
56 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
57 lapack_int lda_t = MAX(1,n);
58 lapack_int ldaf_t = MAX(1,n);
59 lapack_int ldb_t = MAX(1,n);
60 lapack_int ldx_t = MAX(1,n);
61 double* a_t = NULL;
62 double* af_t = NULL;
63 double* b_t = NULL;
64 double* x_t = NULL;
65 double* err_bnds_norm_t = NULL;
66 double* err_bnds_comp_t = NULL;
67 /* Check leading dimension(s) */
68 if( lda < n ) {
69 info = -7;
70 LAPACKE_xerbla( "LAPACKE_dposvxx_work", info );
71 return info;
72 }
73 if( ldaf < n ) {
74 info = -9;
75 LAPACKE_xerbla( "LAPACKE_dposvxx_work", info );
76 return info;
77 }
78 if( ldb < nrhs ) {
79 info = -13;
80 LAPACKE_xerbla( "LAPACKE_dposvxx_work", info );
81 return info;
82 }
83 if( ldx < nrhs ) {
84 info = -15;
85 LAPACKE_xerbla( "LAPACKE_dposvxx_work", info );
86 return info;
87 }
88 /* Allocate memory for temporary array(s) */
89 a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
90 if( a_t == NULL ) {
91 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
92 goto exit_level_0;
93 }
94 af_t = (double*)LAPACKE_malloc( sizeof(double) * ldaf_t * MAX(1,n) );
95 if( af_t == NULL ) {
96 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
97 goto exit_level_1;
98 }
99 b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
100 if( b_t == NULL ) {
101 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
102 goto exit_level_2;
103 }
104 x_t = (double*)LAPACKE_malloc( sizeof(double) * ldx_t * MAX(1,nrhs) );
105 if( x_t == NULL ) {
106 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
107 goto exit_level_3;
108 }
109 err_bnds_norm_t = (double*)
110 LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
111 if( err_bnds_norm_t == NULL ) {
112 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
113 goto exit_level_4;
114 }
115 err_bnds_comp_t = (double*)
116 LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
117 if( err_bnds_comp_t == NULL ) {
118 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
119 goto exit_level_5;
120 }
121 /* Transpose input matrices */
122 LAPACKE_dpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
123 if( LAPACKE_lsame( fact, 'f' ) ) {
124 LAPACKE_dpo_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
125 }
126 LAPACKE_dge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
127 /* Call LAPACK function and adjust info */
128 LAPACK_dposvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
129 equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw, berr,
130 &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
131 params, work, iwork, &info );
132 if( info < 0 ) {
133 info = info - 1;
134 }
135 /* Transpose output matrices */
136 if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
137 LAPACKE_dpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
138 }
139 if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
140 LAPACKE_dpo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
141 ldaf );
142 }
143 LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
144 LAPACKE_dge_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, n_err_bnds );
147 LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
148 nrhs, err_bnds_comp, n_err_bnds );
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_dposvxx_work", info );
164 }
165 } else {
166 info = -1;
167 LAPACKE_xerbla( "LAPACKE_dposvxx_work", info );
168 }
169 return info;
170}
lapack_int
#define lapack_int
Definition: lapack.h:87
LAPACK_dposvxx
#define LAPACK_dposvxx(...)
Definition: lapack.h:13250
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_lsame
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
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_dpo_trans
void LAPACKE_dpo_trans(int matrix_layout, char uplo, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout)
Definition: lapacke_dpo_trans.c:39
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