from pairoptions import pairoptions
from collections import OrderedDict


def conditionnumberoptions(*args):
    """MULTIGRIDOPTIONS - use Multigrid

    Usage:
        options = mgoptions
    """

    #retrieve options provided in *args
    options = pairoptions(*args)
    cn = OrderedDict()
    cn.toolkit = 'petsc'
    cn.mat_type = getfieldvalue(options, 'mat_type', 'mpiaij')
    cn.ksp_type = getfieldvalue(options, 'ksp_type', 'gmres')
    cn.pc_type = getfieldvalue(options, 'pc_type', 'none')
    cn.ksp_monitor_singular_value = getfieldvalue(options, 'ksp_monitor_singular_value', '')
    cn.ksp_gmres_restart = getfieldvalue(options, 'ksp_gmres_restart', 1000)
    cn.info = getfieldvalue(options, 'info', '')
    cn.log_summary = getfieldvalue(options, 'log_summary', '')
    return solverOptions