LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_stpmqrt_work()

lapack_int LAPACKE_stpmqrt_work ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
lapack_int  l,
lapack_int  nb,
const float *  v,
lapack_int  ldv,
const float *  t,
lapack_int  ldt,
float *  a,
lapack_int  lda,
float *  b,
lapack_int  ldb,
float *  work 
)

Definition at line 36 of file lapacke_stpmqrt_work.c.

42 {
43  lapack_int info = 0;
44  if( matrix_layout == LAPACK_COL_MAJOR ) {
45  /* Call LAPACK function and adjust info */
46  LAPACK_stpmqrt( &side, &trans, &m, &n, &k, &l, &nb, v, &ldv, t, &ldt, a,
47  &lda, b, &ldb, work, &info );
48  if( info < 0 ) {
49  info = info - 1;
50  }
51  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
52  lapack_int lda_t = MAX(1,k);
53  lapack_int ldb_t = MAX(1,m);
54  lapack_int ldt_t = MAX(1,ldt);
55  lapack_int ldv_t = MAX(1,ldv);
56  float* v_t = NULL;
57  float* t_t = NULL;
58  float* a_t = NULL;
59  float* b_t = NULL;
60  /* Check leading dimension(s) */
61  if( lda < m ) {
62  info = -14;
63  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
64  return info;
65  }
66  if( ldb < n ) {
67  info = -16;
68  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
69  return info;
70  }
71  if( ldt < nb ) {
72  info = -12;
73  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
74  return info;
75  }
76  if( ldv < k ) {
77  info = -10;
78  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
79  return info;
80  }
81  /* Allocate memory for temporary array(s) */
82  v_t = (float*)LAPACKE_malloc( sizeof(float) * ldv_t * MAX(1,k) );
83  if( v_t == NULL ) {
85  goto exit_level_0;
86  }
87  t_t = (float*)LAPACKE_malloc( sizeof(float) * ldt_t * MAX(1,nb) );
88  if( t_t == NULL ) {
90  goto exit_level_1;
91  }
92  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,m) );
93  if( a_t == NULL ) {
95  goto exit_level_2;
96  }
97  b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) );
98  if( b_t == NULL ) {
100  goto exit_level_3;
101  }
102  /* Transpose input matrices */
103  LAPACKE_sge_trans( matrix_layout, ldv, k, v, ldv, v_t, ldv_t );
104  LAPACKE_sge_trans( matrix_layout, ldt, nb, t, ldt, t_t, ldt_t );
105  LAPACKE_sge_trans( matrix_layout, k, m, a, lda, a_t, lda_t );
106  LAPACKE_sge_trans( matrix_layout, m, n, b, ldb, b_t, ldb_t );
107  /* Call LAPACK function and adjust info */
108  LAPACK_stpmqrt( &side, &trans, &m, &n, &k, &l, &nb, v_t, &ldv_t, t_t,
109  &ldt_t, a_t, &lda_t, b_t, &ldb_t, work, &info );
110  if( info < 0 ) {
111  info = info - 1;
112  }
113  /* Transpose output matrices */
114  LAPACKE_sge_trans( LAPACK_COL_MAJOR, k, m, a_t, lda_t, a, lda );
115  LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
116  /* Release memory and exit */
117  LAPACKE_free( b_t );
118 exit_level_3:
119  LAPACKE_free( a_t );
120 exit_level_2:
121  LAPACKE_free( t_t );
122 exit_level_1:
123  LAPACKE_free( v_t );
124 exit_level_0:
125  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
126  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
127  }
128  } else {
129  info = -1;
130  LAPACKE_xerbla( "LAPACKE_stpmqrt_work", info );
131  }
132  return info;
133 }
void LAPACK_stpmqrt(char *side, char *trans, lapack_int *m, lapack_int *n, lapack_int *k, lapack_int *l, lapack_int *nb, const float *v, lapack_int *ldv, const float *t, lapack_int *ldt, float *a, lapack_int *lda, float *b, lapack_int *ldb, float *work, lapack_int *info)
#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
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#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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