LAPACKE_zptcon()

lapack_int LAPACKE_zptcon	(	lapack_int	n,
		const double *	d,
		const lapack_complex_double *	e,
		double	anorm,
		double *	rcond
	)

Definition at line 35 of file lapacke_zptcon.c.

{
    lapack_int info = 0;
    double* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
            return -4;
        }
        if( LAPACKE_d_nancheck( n, d, 1 ) ) {
            return -2;
        }
        if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
            return -3;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_zptcon_work( n, d, e, anorm, rcond, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_zptcon", info );
    }
    return info;
}

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