LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dlarfg()

lapack_int LAPACKE_dlarfg ( lapack_int  n,
double *  alpha,
double *  x,
lapack_int  incx,
double *  tau 
)

Definition at line 35 of file lapacke_dlarfg.c.

37{
38#ifndef LAPACK_DISABLE_NAN_CHECK
39 if( LAPACKE_get_nancheck() ) {
40 /* Optionally check input matrices for NaNs */
41 if( LAPACKE_d_nancheck( 1, alpha, 1 ) ) {
42 return -2;
43 }
44 if( LAPACKE_d_nancheck( n-1, x, incx ) ) {
45 return -3;
46 }
47 }
48#endif
49 return LAPACKE_dlarfg_work( n, alpha, x, incx, tau );
50}
int LAPACKE_get_nancheck(void)
lapack_int LAPACKE_dlarfg_work(lapack_int n, double *alpha, double *x, lapack_int incx, double *tau)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
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