LAPACKE_chs_nancheck()

lapack_logical LAPACKE_chs_nancheck	(	int	matrix_layout,
		lapack_int	n,
		const lapack_complex_float *	a,
		lapack_int	lda
	)

Definition at line 36 of file lapacke_chs_nancheck.c.

{
    lapack_logical subdiag_nans;
 
    if( a == NULL ) return (lapack_logical) 0;
 
    /* Check subdiagonal first */
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        subdiag_nans = LAPACKE_c_nancheck( n-1, &a[1], lda+1 );
    } else if ( matrix_layout == LAPACK_ROW_MAJOR ) {
        subdiag_nans = LAPACKE_c_nancheck( n-1, &a[lda], lda+1 );
    } else {
        return (lapack_logical) 0;
    }
 
    /* Check upper triangular if subdiagonal has no NaNs. */
    return subdiag_nans || LAPACKE_ctr_nancheck( matrix_layout, 'u', 'n',
                                                 n, a, lda);
}

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