LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sposvxx_work()

lapack_int LAPACKE_sposvxx_work ( int  matrix_layout,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
float *  a,
lapack_int  lda,
float *  af,
lapack_int  ldaf,
char *  equed,
float *  s,
float *  b,
lapack_int  ldb,
float *  x,
lapack_int  ldx,
float *  rcond,
float *  rpvgrw,
float *  berr,
lapack_int  n_err_bnds,
float *  err_bnds_norm,
float *  err_bnds_comp,
lapack_int  nparams,
float *  params,
float *  work,
lapack_int iwork 
)

Definition at line 35 of file lapacke_sposvxx_work.c.

44{
45 lapack_int info = 0;
46 if( matrix_layout == LAPACK_COL_MAJOR ) {
47 /* Call LAPACK function and adjust info */
48 LAPACK_sposvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, equed, s,
49 b, &ldb, x, &ldx, rcond, rpvgrw, berr, &n_err_bnds,
50 err_bnds_norm, err_bnds_comp, &nparams, params, work,
51 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 float* a_t = NULL;
61 float* af_t = NULL;
62 float* b_t = NULL;
63 float* x_t = NULL;
64 float* err_bnds_norm_t = NULL;
65 float* err_bnds_comp_t = NULL;
66 /* Check leading dimension(s) */
67 if( lda < n ) {
68 info = -7;
69 LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
70 return info;
71 }
72 if( ldaf < n ) {
73 info = -9;
74 LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
75 return info;
76 }
77 if( ldb < nrhs ) {
78 info = -13;
79 LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
80 return info;
81 }
82 if( ldx < nrhs ) {
83 info = -15;
84 LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
85 return info;
86 }
87 /* Allocate memory for temporary array(s) */
88 a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
89 if( a_t == NULL ) {
91 goto exit_level_0;
92 }
93 af_t = (float*)LAPACKE_malloc( sizeof(float) * ldaf_t * MAX(1,n) );
94 if( af_t == NULL ) {
96 goto exit_level_1;
97 }
98 b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
99 if( b_t == NULL ) {
101 goto exit_level_2;
102 }
103 x_t = (float*)LAPACKE_malloc( sizeof(float) * ldx_t * MAX(1,nrhs) );
104 if( x_t == NULL ) {
106 goto exit_level_3;
107 }
108 err_bnds_norm_t = (float*)
109 LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
110 if( err_bnds_norm_t == NULL ) {
112 goto exit_level_4;
113 }
114 err_bnds_comp_t = (float*)
115 LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
116 if( err_bnds_comp_t == NULL ) {
118 goto exit_level_5;
119 }
120 /* Transpose input matrices */
121 LAPACKE_spo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
122 if( LAPACKE_lsame( fact, 'f' ) ) {
123 LAPACKE_spo_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
124 }
125 LAPACKE_sge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
126 /* Call LAPACK function and adjust info */
127 LAPACK_sposvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
128 equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw, berr,
129 &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
130 params, work, iwork, &info );
131 if( info < 0 ) {
132 info = info - 1;
133 }
134 /* Transpose output matrices */
135 if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
136 LAPACKE_spo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
137 }
138 if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
139 LAPACKE_spo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
140 ldaf );
141 }
142 LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
143 LAPACKE_sge_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, n_err_bnds );
146 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
147 nrhs, err_bnds_comp, n_err_bnds );
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_sposvxx_work", info );
163 }
164 } else {
165 info = -1;
166 LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
167 }
168 return info;
169}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_sposvxx(...)
Definition: lapack.h:13279
#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_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_spo_trans(int matrix_layout, char uplo, lapack_int n, const float *in, lapack_int ldin, 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
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