LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cgemlq()

lapack_int LAPACKE_cgemlq ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
const lapack_complex_float a,
lapack_int  lda,
const lapack_complex_float t,
lapack_int  tsize,
lapack_complex_float c,
lapack_int  ldc 
)

Definition at line 35 of file lapacke_cgemlq.c.

40 {
41  lapack_int info = 0;
42  lapack_int lwork = -1;
43  lapack_complex_float* work = NULL;
44  lapack_complex_float work_query;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_cgemlq", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  if( LAPACKE_get_nancheck() ) {
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_cge_nancheck( matrix_layout, k, m, a, lda ) ) {
53  return -7;
54  }
55  if( LAPACKE_cge_nancheck( matrix_layout, m, n, c, ldc ) ) {
56  return -10;
57  }
58  if( LAPACKE_c_nancheck( tsize, t, 1 ) ) {
59  return -9;
60  }
61  }
62 #endif
63  /* Query optimal working array(s) size */
64  info = LAPACKE_cgemlq_work( matrix_layout, side, trans, m, n, k, a, lda,
65  t, tsize, c, ldc, &work_query, lwork );
66  if( info != 0 ) {
67  goto exit_level_0;
68  }
69  lwork = LAPACK_C2INT( work_query );
70  /* Allocate memory for work arrays */
71  work = (lapack_complex_float*)LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
72  if( work == NULL ) {
74  goto exit_level_0;
75  }
76  /* Call middle-level interface */
77  info = LAPACKE_cgemlq_work( matrix_layout, side, trans, m, n, k, a, lda,
78  t, tsize, c, ldc, work, lwork );
79  /* Release memory and exit */
80  LAPACKE_free( work );
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_cgemlq", info );
84  }
85  return info;
86 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACK_C2INT(x)
Definition: lapacke.h:49
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_cgemlq_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *t, lapack_int tsize, lapack_complex_float *c, lapack_int ldc, lapack_complex_float *work, lapack_int lwork)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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