LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_slarft.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_slarft (int matrix_order, char direct, char storev, lapack_int n, lapack_int k, const float *v, lapack_int ldv, const float *tau, float *t, lapack_int ldt)

Function/Subroutine Documentation

lapack_int LAPACKE_slarft ( int  matrix_order,
char  direct,
char  storev,
lapack_int  n,
lapack_int  k,
const float *  v,
lapack_int  ldv,
const float *  tau,
float *  t,
lapack_int  ldt 
)

Definition at line 36 of file lapacke_slarft.c.

{
lapack_int ncols_v, nrows_v;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_slarft", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
ncols_v = LAPACKE_lsame( storev, 'c' ) ? k :
( LAPACKE_lsame( storev, 'r' ) ? n : 1);
nrows_v = LAPACKE_lsame( storev, 'c' ) ? n :
( LAPACKE_lsame( storev, 'r' ) ? k : 1);
if( LAPACKE_s_nancheck( k, tau, 1 ) ) {
return -8;
}
if( LAPACKE_sge_nancheck( matrix_order, nrows_v, ncols_v, v, ldv ) ) {
return -6;
}
#endif
return LAPACKE_slarft_work( matrix_order, direct, storev, n, k, v, ldv, tau,
t, ldt );
}

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