LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zlassq()

lapack_int LAPACKE_zlassq ( lapack_int  n,
lapack_complex_double x,
lapack_int  incx,
double *  scale,
double *  sumsq 
)

Definition at line 35 of file lapacke_zlassq.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_z_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_zlassq_work( n, x, incx, scale, sumsq );
53}
lapack_int LAPACKE_zlassq_work(lapack_int n, lapack_complex_double *x, lapack_int incx, double *scale, double *sumsq)
int LAPACKE_get_nancheck(void)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
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