LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cgbsvxx_work()

lapack_int LAPACKE_cgbsvxx_work ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  kl,
lapack_int  ku,
lapack_int  nrhs,
lapack_complex_float *  ab,
lapack_int  ldab,
lapack_complex_float *  afb,
lapack_int  ldafb,
lapack_int *  ipiv,
char *  equed,
float *  r,
float *  c,
lapack_complex_float *  b,
lapack_int  ldb,
lapack_complex_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,
lapack_complex_float *  work,
float *  rwork 
)

Definition at line 35 of file lapacke_cgbsvxx_work.c.

48{
49 lapack_int info = 0;
50 if( matrix_layout == LAPACK_COL_MAJOR ) {
51 /* Call LAPACK function and adjust info */
52 LAPACK_cgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab, &ldab, afb,
53 &ldafb, ipiv, equed, r, c, b, &ldb, x, &ldx, rcond,
54 rpvgrw, berr, &n_err_bnds, err_bnds_norm, err_bnds_comp,
55 &nparams, params, work, rwork, &info );
56 if( info < 0 ) {
57 info = info - 1;
58 }
59 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
60 lapack_int ldab_t = MAX(1,kl+ku+1);
61 lapack_int ldafb_t = MAX(1,2*kl+ku+1);
62 lapack_int ldb_t = MAX(1,n);
63 lapack_int ldx_t = MAX(1,n);
64 lapack_complex_float* ab_t = NULL;
65 lapack_complex_float* afb_t = NULL;
66 lapack_complex_float* b_t = NULL;
67 lapack_complex_float* x_t = NULL;
68 float* err_bnds_norm_t = NULL;
69 float* err_bnds_comp_t = NULL;
70 /* Check leading dimension(s) */
71 if( ldab < n ) {
72 info = -9;
73 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
74 return info;
75 }
76 if( ldafb < n ) {
77 info = -11;
78 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
79 return info;
80 }
81 if( ldb < nrhs ) {
82 info = -17;
83 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
84 return info;
85 }
86 if( ldx < nrhs ) {
87 info = -19;
88 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
89 return info;
90 }
91 /* Allocate memory for temporary array(s) */
92 ab_t = (lapack_complex_float*)
93 LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
94 if( ab_t == NULL ) {
95 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
96 goto exit_level_0;
97 }
98 afb_t = (lapack_complex_float*)
99 LAPACKE_malloc( sizeof(lapack_complex_float) * ldafb_t * MAX(1,n) );
100 if( afb_t == NULL ) {
101 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
102 goto exit_level_1;
103 }
104 b_t = (lapack_complex_float*)
105 LAPACKE_malloc( sizeof(lapack_complex_float) *
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_float*)
112 LAPACKE_malloc( sizeof(lapack_complex_float) *
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 = (float*)
119 LAPACKE_malloc( sizeof(float) * 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 = (float*)
125 LAPACKE_malloc( sizeof(float) * 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_cgb_trans( matrix_layout, n, n, kl, ku, ab, ldab, ab_t, ldab_t );
132 if( LAPACKE_lsame( fact, 'f' ) ) {
133 LAPACKE_cgb_trans( matrix_layout, n, n, kl, kl+ku, afb, ldafb, afb_t,
134 ldafb_t );
135 }
136 LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
137 /* Call LAPACK function and adjust info */
138 LAPACK_cgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab_t, &ldab_t,
139 afb_t, &ldafb_t, ipiv, equed, r, c, b_t, &ldb_t, x_t,
140 &ldx_t, rcond, rpvgrw, berr, &n_err_bnds,
141 err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
142 work, rwork, &info );
143 if( info < 0 ) {
144 info = info - 1;
145 }
146 /* Transpose output matrices */
147 if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
148 LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
149 LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, ku, ab_t, ldab_t, ab,
150 ldab );
151 }
152 if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
153 LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, kl+ku, afb_t,
154 ldafb_t, afb, ldafb );
155 }
156 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
157 LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
158 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
159 }
160 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
161 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
162 nrhs, err_bnds_norm, n_err_bnds );
163 LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
164 nrhs, err_bnds_comp, n_err_bnds );
165 /* Release memory and exit */
166 LAPACKE_free( err_bnds_comp_t );
167exit_level_5:
168 LAPACKE_free( err_bnds_norm_t );
169exit_level_4:
170 LAPACKE_free( x_t );
171exit_level_3:
172 LAPACKE_free( b_t );
173exit_level_2:
174 LAPACKE_free( afb_t );
175exit_level_1:
176 LAPACKE_free( ab_t );
177exit_level_0:
178 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
179 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
180 }
181 } else {
182 info = -1;
183 LAPACKE_xerbla( "LAPACKE_cgbsvxx_work", info );
184 }
185 return info;
186}
lapack_int
#define lapack_int
Definition: lapack.h:87
LAPACK_cgbsvxx
#define LAPACK_cgbsvxx(...)
Definition: lapack.h:1101
lapack_complex_float
#define lapack_complex_float
Definition: lapack.h:46
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
LAPACKE_cgb_trans
void LAPACKE_cgb_trans(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
Definition: lapacke_cgb_trans.c:39
LAPACKE_sge_trans
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
Definition: lapacke_sge_trans.c:39
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:46
LAPACKE_cge_trans
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
Definition: lapacke_cge_trans.c:39
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