LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ 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 36 of file lapacke_sposvxx_work.c.

45 {
46  lapack_int info = 0;
47  if( matrix_layout == LAPACK_COL_MAJOR ) {
48  /* Call LAPACK function and adjust info */
49  LAPACK_sposvxx( &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  float* a_t = NULL;
62  float* af_t = NULL;
63  float* b_t = NULL;
64  float* x_t = NULL;
65  float* err_bnds_norm_t = NULL;
66  float* err_bnds_comp_t = NULL;
67  /* Check leading dimension(s) */
68  if( lda < n ) {
69  info = -7;
70  LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
71  return info;
72  }
73  if( ldaf < n ) {
74  info = -9;
75  LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
76  return info;
77  }
78  if( ldb < nrhs ) {
79  info = -13;
80  LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
81  return info;
82  }
83  if( ldx < nrhs ) {
84  info = -15;
85  LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
86  return info;
87  }
88  /* Allocate memory for temporary array(s) */
89  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
90  if( a_t == NULL ) {
92  goto exit_level_0;
93  }
94  af_t = (float*)LAPACKE_malloc( sizeof(float) * ldaf_t * MAX(1,n) );
95  if( af_t == NULL ) {
97  goto exit_level_1;
98  }
99  b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
100  if( b_t == NULL ) {
102  goto exit_level_2;
103  }
104  x_t = (float*)LAPACKE_malloc( sizeof(float) * ldx_t * MAX(1,nrhs) );
105  if( x_t == NULL ) {
107  goto exit_level_3;
108  }
109  err_bnds_norm_t = (float*)
110  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
111  if( err_bnds_norm_t == NULL ) {
113  goto exit_level_4;
114  }
115  err_bnds_comp_t = (float*)
116  LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
117  if( err_bnds_comp_t == NULL ) {
119  goto exit_level_5;
120  }
121  /* Transpose input matrices */
122  LAPACKE_spo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
123  if( LAPACKE_lsame( fact, 'f' ) ) {
124  LAPACKE_spo_trans( matrix_layout, uplo, n, af, ldaf, af_t, ldaf_t );
125  }
126  LAPACKE_sge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
127  /* Call LAPACK function and adjust info */
128  LAPACK_sposvxx( &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_spo_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_spo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
141  ldaf );
142  }
143  LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
144  LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
145  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
146  nrhs, err_bnds_norm, n_err_bnds );
147  LAPACKE_sge_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 );
151 exit_level_5:
152  LAPACKE_free( err_bnds_norm_t );
153 exit_level_4:
154  LAPACKE_free( x_t );
155 exit_level_3:
156  LAPACKE_free( b_t );
157 exit_level_2:
158  LAPACKE_free( af_t );
159 exit_level_1:
160  LAPACKE_free( a_t );
161 exit_level_0:
162  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
163  LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
164  }
165  } else {
166  info = -1;
167  LAPACKE_xerbla( "LAPACKE_sposvxx_work", info );
168  }
169  return info;
170 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
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:47
void LAPACKE_spo_trans(int matrix_layout, char uplo, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
void LAPACK_sposvxx(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, lapack_int *info)
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