LAPACK  3.9.0
LAPACK: Linear Algebra PACKage

◆ 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.

37 {
38 #ifndef LAPACK_DISABLE_NAN_CHECK
39  if( LAPACKE_get_nancheck() ) {
40  /* Optionally check input vector `x` and in/out scalars `scale` and `sumsq` for NaNs */
41  if( LAPACKE_d_nancheck( n, x, incx ) ) {
42  return -2;
43  }
44  if( LAPACKE_d_nancheck( 1, scale, 1 ) ) {
45  return -4;
46  }
47  if( LAPACKE_d_nancheck( 1, sumsq, 1 ) ) {
48  return -5;
49  }
50  }
51 #endif
52  return LAPACKE_dlassq_work( n, x, incx, scale, sumsq );
Here is the call graph for this function:
LAPACKE_dlassq_work
lapack_int LAPACKE_dlassq_work(lapack_int n, double *x, lapack_int incx, double *scale, double *sumsq)
Definition: lapacke_dlassq_work.c:35
LAPACKE_d_nancheck
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
Definition: lapacke_d_nancheck.c:36
LAPACKE_get_nancheck
int LAPACKE_get_nancheck()
Definition: lapacke_nancheck.c:42