lapacke_classq.c

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* Contents: Native high-level C interface to LAPACK function classq
* Author: Julien Langou
*****************************************************************************/
 
#include "lapacke_utils.h"
 
lapack_int LAPACKE_classq( lapack_int n, lapack_complex_float* x,
                           lapack_int incx, float* scale, float* sumsq )
{
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input vector `x` and in/out scalars `scale` and `sumsq` for NaNs */
        if( LAPACKE_c_nancheck( n, x, incx ) ) {
            return -2;
        }
        if( LAPACKE_s_nancheck( 1, scale, 1 ) ) {
            return -4;
        }
        if( LAPACKE_s_nancheck( 1, sumsq, 1 ) ) {
            return -5;
        }
    }
#endif
    return LAPACKE_classq_work( n, x, incx, scale, sumsq );
}