LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cgesvxx_work()

lapack_int LAPACKE_cgesvxx_work ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float af,
lapack_int  ldaf,
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 36 of file lapacke_cgesvxx_work.c.

48 {
49  lapack_int info = 0;
50  if( matrix_layout == LAPACK_COL_MAJOR ) {
51  /* Call LAPACK function and adjust info */
52  LAPACK_cgesvxx( &fact, &trans, &n, &nrhs, a, &lda, af, &ldaf, ipiv,
53  equed, r, c, b, &ldb, x, &ldx, rcond, rpvgrw, berr,
54  &n_err_bnds, err_bnds_norm, err_bnds_comp, &nparams,
55  params, work, rwork, &info );
56  if( info < 0 ) {
57  info = info - 1;
58  }
59  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
60  lapack_int lda_t = MAX(1,n);
61  lapack_int ldaf_t = MAX(1,n);
62  lapack_int ldb_t = MAX(1,n);
63  lapack_int ldx_t = MAX(1,n);
64  lapack_complex_float* a_t = NULL;
65  lapack_complex_float* af_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( lda < n ) {
72  info = -7;
73  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
74  return info;
75  }
76  if( ldaf < n ) {
77  info = -9;
78  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
79  return info;
80  }
81  if( ldb < nrhs ) {
82  info = -15;
83  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
84  return info;
85  }
86  if( ldx < nrhs ) {
87  info = -17;
88  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
89  return info;
90  }
91  /* Allocate memory for temporary array(s) */
92  a_t = (lapack_complex_float*)
93  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
94  if( a_t == NULL ) {
96  goto exit_level_0;
97  }
98  af_t = (lapack_complex_float*)
99  LAPACKE_malloc( sizeof(lapack_complex_float) * ldaf_t * MAX(1,n) );
100  if( af_t == NULL ) {
102  goto exit_level_1;
103  }
104  b_t = (lapack_complex_float*)
106  ldb_t * MAX(1,nrhs) );
107  if( b_t == NULL ) {
109  goto exit_level_2;
110  }
111  x_t = (lapack_complex_float*)
113  ldx_t * MAX(1,nrhs) );
114  if( x_t == NULL ) {
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 ) {
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 ) {
128  goto exit_level_5;
129  }
130  /* Transpose input matrices */
131  LAPACKE_cge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
132  if( LAPACKE_lsame( fact, 'f' ) ) {
133  LAPACKE_cge_trans( matrix_layout, n, n, af, ldaf, af_t, ldaf_t );
134  }
135  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
136  /* Call LAPACK function and adjust info */
137  LAPACK_cgesvxx( &fact, &trans, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
138  ipiv, equed, r, c, b_t, &ldb_t, x_t, &ldx_t, rcond,
139  rpvgrw, berr, &n_err_bnds, err_bnds_norm_t,
140  err_bnds_comp_t, &nparams, params, work, rwork, &info );
141  if( info < 0 ) {
142  info = info - 1;
143  }
144  /* Transpose output matrices */
145  if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
146  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
147  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
148  }
149  if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
150  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, af_t, ldaf_t, af, ldaf );
151  }
152  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
153  LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
154  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
155  }
156  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
157  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
158  nrhs, err_bnds_norm, n_err_bnds );
159  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
160  nrhs, err_bnds_comp, n_err_bnds );
161  /* Release memory and exit */
162  LAPACKE_free( err_bnds_comp_t );
163 exit_level_5:
164  LAPACKE_free( err_bnds_norm_t );
165 exit_level_4:
166  LAPACKE_free( x_t );
167 exit_level_3:
168  LAPACKE_free( b_t );
169 exit_level_2:
170  LAPACKE_free( af_t );
171 exit_level_1:
172  LAPACKE_free( a_t );
173 exit_level_0:
174  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
175  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
176  }
177  } else {
178  info = -1;
179  LAPACKE_xerbla( "LAPACKE_cgesvxx_work", info );
180  }
181  return info;
182 }
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)
void LAPACK_cgesvxx(char *fact, char *trans, lapack_int *n, lapack_int *nrhs, lapack_complex_float *a, lapack_int *lda, lapack_complex_float *af, lapack_int *ldaf, 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, lapack_int *info)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
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
#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
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