LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zlarft()

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

Definition at line 35 of file lapacke_zlarft.c.

40{
41 lapack_int ncols_v, nrows_v;
42 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43 LAPACKE_xerbla( "LAPACKE_zlarft", -1 );
44 return -1;
45 }
46#ifndef LAPACK_DISABLE_NAN_CHECK
47 if( LAPACKE_get_nancheck() ) {
48 /* Optionally check input matrices for NaNs */
49 ncols_v = LAPACKE_lsame( storev, 'c' ) ? k :
50 ( LAPACKE_lsame( storev, 'r' ) ? n : 1);
51 nrows_v = LAPACKE_lsame( storev, 'c' ) ? n :
52 ( LAPACKE_lsame( storev, 'r' ) ? k : 1);
53 if( LAPACKE_z_nancheck( k, tau, 1 ) ) {
54 return -8;
55 }
56 if( LAPACKE_zge_nancheck( matrix_layout, nrows_v, ncols_v, v, ldv ) ) {
57 return -6;
58 }
59 }
60#endif
61 return LAPACKE_zlarft_work( matrix_layout, direct, storev, n, k, v, ldv, tau,
62 t, ldt );
63}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_zlarft_work(int matrix_layout, char direct, char storev, lapack_int n, lapack_int k, const lapack_complex_double *v, lapack_int ldv, const lapack_complex_double *tau, lapack_complex_double *t, lapack_int ldt)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
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