LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dlassq()

lapack_int LAPACKE_dlassq ( lapack_int  n,
double *  x,
lapack_int  incx,
double *  scale,
double *  sumsq 
)

Definition at line 35 of file lapacke_dlassq.c.

36{
37#ifndef LAPACK_DISABLE_NAN_CHECK
38 if( LAPACKE_get_nancheck() ) {
39 /* Optionally check input vector `x` and in/out scalars `scale` and `sumsq` for NaNs */
40 if( LAPACKE_d_nancheck( n, x, incx ) ) {
41 return -2;
42 }
43 if( LAPACKE_d_nancheck( 1, scale, 1 ) ) {
44 return -4;
45 }
46 if( LAPACKE_d_nancheck( 1, sumsq, 1 ) ) {
47 return -5;
48 }
49 }
50#endif
51 return LAPACKE_dlassq_work( n, x, incx, scale, sumsq );
52}
int LAPACKE_get_nancheck(void)
lapack_int LAPACKE_dlassq_work(lapack_int n, double *x, lapack_int incx, double *scale, double *sumsq)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
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