rv,ier = dvrfidf(u,v,glat,glon,xmsg,iopt,[mlon,nlat])

Wrapper for ``dvrfidf``.

Parameters
----------
u : input rank-2 array('d') with bounds (mlon,nlat)
v : input rank-2 array('d') with bounds (mlon,nlat)
glat : input rank-1 array('d') with bounds (nlat)
glon : input rank-1 array('d') with bounds (mlon)
xmsg : input float
iopt : input int

Other Parameters
----------------
mlon : input int, optional
    Default: shape(u, 0)
nlat : input int, optional
    Default: shape(u, 1)

Returns
-------
rv : rank-2 array('d') with bounds (mlon,nlat)
ier : int

dv,ier = ddvfidf(u,v,glat,glon,xmsg,iopt,[mlon,nlat])

Wrapper for ``ddvfidf``.

Parameters
----------
u : input rank-2 array('d') with bounds (mlon,nlat)
v : input rank-2 array('d') with bounds (mlon,nlat)
glat : input rank-1 array('d') with bounds (nlat)
glon : input rank-1 array('d') with bounds (mlon)
xmsg : input float
iopt : input int

Other Parameters
----------------
mlon : input int, optional
    Default: shape(u, 0)
nlat : input int, optional
    Default: shape(u, 1)

Returns
-------
dv : rank-2 array('d') with bounds (mlon,nlat)
ier : int