LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cgemqrt()

lapack_int LAPACKE_cgemqrt ( 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 
)

Definition at line 36 of file lapacke_cgemqrt.c.

42 {
43  lapack_int nrows_v;
44  lapack_int info = 0;
45  lapack_complex_float* work = NULL;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_cgemqrt", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  if( LAPACKE_get_nancheck() ) {
52  /* Optionally check input matrices for NaNs */
53  nrows_v = LAPACKE_lsame( side, 'L' ) ? m :
54  ( LAPACKE_lsame( side, 'R' ) ? n : 0 );
55  if( LAPACKE_cge_nancheck( matrix_layout, m, n, c, ldc ) ) {
56  return -12;
57  }
58  if( LAPACKE_cge_nancheck( matrix_layout, nb, k, t, ldt ) ) {
59  return -10;
60  }
61  if( LAPACKE_cge_nancheck( matrix_layout, nrows_v, k, v, ldv ) ) {
62  return -8;
63  }
64  }
65 #endif
66  /* Allocate memory for working array(s) */
67  work = (lapack_complex_float*)
68  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,m) * MAX(1,nb) );
69  if( work == NULL ) {
71  goto exit_level_0;
72  }
73  /* Call middle-level interface */
74  info = LAPACKE_cgemqrt_work( matrix_layout, side, trans, m, n, k, nb, v, ldv,
75  t, ldt, c, ldc, work );
76  /* Release memory and exit */
77  LAPACKE_free( work );
78 exit_level_0:
79  if( info == LAPACK_WORK_MEMORY_ERROR ) {
80  LAPACKE_xerbla( "LAPACKE_cgemqrt", info );
81  }
82  return info;
83 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
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)
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
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