LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
lapacke_sgejsv_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function sgejsv
30 * Author: Intel Corporation
31 * Generated November, 2011
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_sgejsv_work( int matrix_order, char joba, char jobu,
37  char jobv, char jobr, char jobt, char jobp,
38  lapack_int m, lapack_int n, float* a,
39  lapack_int lda, float* sva, float* u,
40  lapack_int ldu, float* v, lapack_int ldv,
41  float* work, lapack_int lwork,
42  lapack_int* iwork )
43 {
44  lapack_int info = 0;
45  if( matrix_order == LAPACK_COL_MAJOR ) {
46  /* Call LAPACK function and adjust info */
47  LAPACK_sgejsv( &joba, &jobu, &jobv, &jobr, &jobt, &jobp, &m, &n, a,
48  &lda, sva, u, &ldu, v, &ldv, work, &lwork, iwork,
49  &info );
50  if( info < 0 ) {
51  info = info - 1;
52  }
53  } else if( matrix_order == LAPACK_ROW_MAJOR ) {
54  lapack_int nu = LAPACKE_lsame( jobu, 'n' ) ? 1 : m;
55  lapack_int nv = LAPACKE_lsame( jobv, 'n' ) ? 1 : n;
56  lapack_int lda_t = MAX(1,m);
57  lapack_int ldu_t = MAX(1,nu);
58  lapack_int ldv_t = MAX(1,nv);
59  float* a_t = NULL;
60  float* u_t = NULL;
61  float* v_t = NULL;
62  /* Check leading dimension(s) */
63  if( lda < n ) {
64  info = -11;
65  LAPACKE_xerbla( "LAPACKE_sgejsv_work", info );
66  return info;
67  }
68  if( ldu < n ) {
69  info = -14;
70  LAPACKE_xerbla( "LAPACKE_sgejsv_work", info );
71  return info;
72  }
73  if( ldv < n ) {
74  info = -16;
75  LAPACKE_xerbla( "LAPACKE_sgejsv_work", info );
76  return info;
77  }
78  /* Allocate memory for temporary array(s) */
79  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
80  if( a_t == NULL ) {
82  goto exit_level_0;
83  }
84  if( LAPACKE_lsame( jobu, 'f' ) || LAPACKE_lsame( jobu, 'u' ) ||
85  LAPACKE_lsame( jobu, 'w' ) ) {
86  u_t = (float*)LAPACKE_malloc( sizeof(float) * ldu_t * MAX(1,n) );
87  if( u_t == NULL ) {
89  goto exit_level_1;
90  }
91  }
92  if( LAPACKE_lsame( jobv, 'j' ) || LAPACKE_lsame( jobv, 'v' ) ||
93  LAPACKE_lsame( jobv, 'w' ) ) {
94  v_t = (float*)LAPACKE_malloc( sizeof(float) * ldv_t * MAX(1,n) );
95  if( v_t == NULL ) {
97  goto exit_level_2;
98  }
99  }
100  /* Transpose input matrices */
101  LAPACKE_sge_trans( matrix_order, m, n, a, lda, a_t, lda_t );
102  if( LAPACKE_lsame( jobu, 'f' ) || LAPACKE_lsame( jobu, 'u' ) ||
103  LAPACKE_lsame( jobu, 'w' ) ) {
104  LAPACKE_sge_trans( matrix_order, nu, n, u, ldu, u_t, ldu_t );
105  }
106  if( LAPACKE_lsame( jobv, 'j' ) || LAPACKE_lsame( jobv, 'v' ) ||
107  LAPACKE_lsame( jobv, 'w' ) ) {
108  LAPACKE_sge_trans( matrix_order, nv, n, v, ldv, v_t, ldv_t );
109  }
110  /* Call LAPACK function and adjust info */
111  LAPACK_sgejsv( &joba, &jobu, &jobv, &jobr, &jobt, &jobp, &m, &n, a_t,
112  &lda_t, sva, u_t, &ldu_t, v_t, &ldv_t, work, &lwork,
113  iwork, &info );
114  if( info < 0 ) {
115  info = info - 1;
116  }
117  /* Transpose output matrices */
118  if( LAPACKE_lsame( jobu, 'f' ) || LAPACKE_lsame( jobu, 'u' ) ||
119  LAPACKE_lsame( jobu, 'w' ) ) {
120  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nu, n, u_t, ldu_t, u, ldu );
121  }
122  if( LAPACKE_lsame( jobv, 'j' ) || LAPACKE_lsame( jobv, 'v' ) ||
123  LAPACKE_lsame( jobv, 'w' ) ) {
124  LAPACKE_sge_trans( LAPACK_COL_MAJOR, nv, n, v_t, ldv_t, v, ldv );
125  }
126  /* Release memory and exit */
127  if( LAPACKE_lsame( jobv, 'j' ) || LAPACKE_lsame( jobv, 'v' ) ||
128  LAPACKE_lsame( jobv, 'w' ) ) {
129  LAPACKE_free( v_t );
130  }
131 exit_level_2:
132  if( LAPACKE_lsame( jobu, 'f' ) || LAPACKE_lsame( jobu, 'u' ) ||
133  LAPACKE_lsame( jobu, 'w' ) ) {
134  LAPACKE_free( u_t );
135  }
136 exit_level_1:
137  LAPACKE_free( a_t );
138 exit_level_0:
139  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
140  LAPACKE_xerbla( "LAPACKE_sgejsv_work", info );
141  }
142  } else {
143  info = -1;
144  LAPACKE_xerbla( "LAPACKE_sgejsv_work", info );
145  }
146  return info;
147 }
void LAPACKE_sge_trans(int matrix_order, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACK_sgejsv(char *joba, char *jobu, char *jobv, char *jobr, char *jobt, char *jobp, lapack_int *m, lapack_int *n, float *a, lapack_int *lda, float *sva, float *u, lapack_int *ldu, float *v, lapack_int *ldv, float *work, lapack_int *lwork, lapack_int *iwork, lapack_int *info)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_int LAPACKE_sgejsv_work(int matrix_order, char joba, char jobu, char jobv, char jobr, char jobt, char jobp, lapack_int m, lapack_int n, float *a, lapack_int lda, float *sva, float *u, lapack_int ldu, float *v, lapack_int ldv, float *work, lapack_int lwork, lapack_int *iwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define lapack_int
Definition: lapacke.h:47