LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctpqrt_work()

lapack_int LAPACKE_ctpqrt_work ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_int  l,
lapack_int  nb,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float b,
lapack_int  ldb,
lapack_complex_float t,
lapack_int  ldt,
lapack_complex_float work 
)

Definition at line 36 of file lapacke_ctpqrt_work.c.

42 {
43  lapack_int info = 0;
44  if( matrix_layout == LAPACK_COL_MAJOR ) {
45  /* Call LAPACK function and adjust info */
46  LAPACK_ctpqrt( &m, &n, &l, &nb, a, &lda, b, &ldb, t, &ldt, work,
47  &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,n);
53  lapack_int ldb_t = MAX(1,m);
54  lapack_int ldt_t = MAX(1,nb);
55  lapack_complex_float* a_t = NULL;
56  lapack_complex_float* t_t = NULL;
57  lapack_complex_float* b_t = NULL;
58  /* Check leading dimension(s) */
59  if( lda < n ) {
60  info = -7;
61  LAPACKE_xerbla( "LAPACKE_ctpqrt_work", info );
62  return info;
63  }
64  if( ldb < n ) {
65  info = -10;
66  LAPACKE_xerbla( "LAPACKE_ctpqrt_work", info );
67  return info;
68  }
69  if( ldt < n ) {
70  info = -11;
71  LAPACKE_xerbla( "LAPACKE_ctpqrt_work", info );
72  return info;
73  }
74  /* Allocate memory for temporary array(s) */
75  a_t = (lapack_complex_float*)
76  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
77  if( a_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,n) );
83  if( t_t == NULL ) {
85  goto exit_level_1;
86  }
87  b_t = (lapack_complex_float*)
88  LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
89  if( b_t == NULL ) {
91  goto exit_level_2;
92  }
93  /* Transpose input matrices */
94  LAPACKE_cge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
95  LAPACKE_cge_trans( matrix_layout, m, n, b, ldb, b_t, ldb_t );
96  /* Call LAPACK function and adjust info */
97  LAPACK_ctpqrt( &m, &n, &l, &nb, a_t, &lda_t, b_t, &ldb_t, t_t, &ldt_t,
98  work, &info );
99  if( info < 0 ) {
100  info = info - 1;
101  }
102  /* Transpose output matrices */
103  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
104  LAPACKE_cge_trans( LAPACK_COL_MAJOR, nb, n, t_t, ldt_t, t, ldt );
105  LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
106  /* Release memory and exit */
107  LAPACKE_free( b_t );
108 exit_level_2:
109  LAPACKE_free( t_t );
110 exit_level_1:
111  LAPACKE_free( a_t );
112 exit_level_0:
113  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
114  LAPACKE_xerbla( "LAPACKE_ctpqrt_work", info );
115  }
116  } else {
117  info = -1;
118  LAPACKE_xerbla( "LAPACKE_ctpqrt_work", info );
119  }
120  return info;
121 }
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)
#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
void LAPACK_ctpqrt(lapack_int *m, lapack_int *n, lapack_int *l, lapack_int *nb, lapack_complex_float *a, lapack_int *lda, lapack_complex_float *b, lapack_int *ldb, lapack_complex_float *t, lapack_int *ldt, lapack_complex_float *work, lapack_int *info)
Here is the call graph for this function:
Here is the caller graph for this function: