LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cgemqrt_work()

lapack_int LAPACKE_cgemqrt_work ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
lapack_int  nb,
const lapack_complex_float v,
lapack_int  ldv,
const lapack_complex_float t,
lapack_int  ldt,
lapack_complex_float c,
lapack_int  ldc,
lapack_complex_float work 
)

Definition at line 36 of file lapacke_cgemqrt_work.c.

42 {
43  lapack_int info = 0;
44  if( matrix_layout == LAPACK_COL_MAJOR ) {
45  /* Call LAPACK function and adjust info */
46  LAPACK_cgemqrt( &side, &trans, &m, &n, &k, &nb, v, &ldv, t, &ldt, c,
47  &ldc, work, &info );
48  if( info < 0 ) {
49  info = info - 1;
50  }
51  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
52  lapack_int ldc_t = MAX(1,m);
53  lapack_int ldt_t = MAX(1,ldt);
54  lapack_int ldv_t = MAX(1,ldv);
55  lapack_complex_float* v_t = NULL;
56  lapack_complex_float* t_t = NULL;
57  lapack_complex_float* c_t = NULL;
58  /* Check leading dimension(s) */
59  if( ldc < n ) {
60  info = -13;
61  LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
62  return info;
63  }
64  if( ldt < nb ) {
65  info = -11;
66  LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
67  return info;
68  }
69  if( ldv < k ) {
70  info = -9;
71  LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
72  return info;
73  }
74  /* Allocate memory for temporary array(s) */
75  v_t = (lapack_complex_float*)
76  LAPACKE_malloc( sizeof(lapack_complex_float) * ldv_t * MAX(1,k) );
77  if( v_t == NULL ) {
79  goto exit_level_0;
80  }
81  t_t = (lapack_complex_float*)
82  LAPACKE_malloc( sizeof(lapack_complex_float) * ldt_t * MAX(1,nb) );
83  if( t_t == NULL ) {
85  goto exit_level_1;
86  }
87  c_t = (lapack_complex_float*)
88  LAPACKE_malloc( sizeof(lapack_complex_float) * ldc_t * MAX(1,n) );
89  if( c_t == NULL ) {
91  goto exit_level_2;
92  }
93  /* Transpose input matrices */
94  LAPACKE_cge_trans( matrix_layout, ldv, k, v, ldv, v_t, ldv_t );
95  LAPACKE_cge_trans( matrix_layout, ldt, nb, t, ldt, t_t, ldt_t );
96  LAPACKE_cge_trans( matrix_layout, m, n, c, ldc, c_t, ldc_t );
97  /* Call LAPACK function and adjust info */
98  LAPACK_cgemqrt( &side, &trans, &m, &n, &k, &nb, v_t, &ldv_t, t_t,
99  &ldt_t, c_t, &ldc_t, work, &info );
100  if( info < 0 ) {
101  info = info - 1;
102  }
103  /* Transpose output matrices */
104  LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
105  /* Release memory and exit */
106  LAPACKE_free( c_t );
107 exit_level_2:
108  LAPACKE_free( t_t );
109 exit_level_1:
110  LAPACKE_free( v_t );
111 exit_level_0:
112  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
113  LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
114  }
115  } else {
116  info = -1;
117  LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
118  }
119  return info;
120 }
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_cgemqrt(char *side, char *trans, lapack_int *m, lapack_int *n, lapack_int *k, lapack_int *nb, const lapack_complex_float *v, lapack_int *ldv, const lapack_complex_float *t, lapack_int *ldt, lapack_complex_float *c, lapack_int *ldc, lapack_complex_float *work, 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
#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
Here is the call graph for this function:
Here is the caller graph for this function: