LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_clarft()

lapack_int LAPACKE_clarft ( int  matrix_layout,
char  direct,
char  storev,
lapack_int  n,
lapack_int  k,
const lapack_complex_float v,
lapack_int  ldv,
const lapack_complex_float tau,
lapack_complex_float t,
lapack_int  ldt 
)

Definition at line 36 of file lapacke_clarft.c.

41 {
42  lapack_int ncols_v, nrows_v;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_clarft", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  if( LAPACKE_get_nancheck() ) {
49  /* Optionally check input matrices for NaNs */
50  ncols_v = LAPACKE_lsame( storev, 'c' ) ? k :
51  ( LAPACKE_lsame( storev, 'r' ) ? n : 1);
52  nrows_v = LAPACKE_lsame( storev, 'c' ) ? n :
53  ( LAPACKE_lsame( storev, 'r' ) ? k : 1);
54  if( LAPACKE_c_nancheck( k, tau, 1 ) ) {
55  return -8;
56  }
57  if( LAPACKE_cge_nancheck( matrix_layout, nrows_v, ncols_v, v, ldv ) ) {
58  return -6;
59  }
60  }
61 #endif
62  return LAPACKE_clarft_work( matrix_layout, direct, storev, n, k, v, ldv, tau,
63  t, ldt );
64 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
lapack_int LAPACKE_clarft_work(int matrix_layout, char direct, char storev, lapack_int n, lapack_int k, const lapack_complex_float *v, lapack_int ldv, const lapack_complex_float *tau, lapack_complex_float *t, lapack_int ldt)
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
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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