
# Scalar tensor
declare T {
    mode=4,
    scalar=true,
}

# Nonscalar tensor
declare V {
    mode=4,
    scalar=false,
}

# Pandya transform of T
declare Tp {
    mode=4,
    scalar=true,
    scheme=((1,-4),(3,-2)),
    latex="\tilde{T}",
}

# Pandya transform of V
declare Vp {
    mode=4,
    scalar=false,
    scheme=((1,-4),(3,-2)),
    latex="\tilde{V}",
}

# Scalar equations
Tp_abcd = - T_abcd;
T_abcd = - Tp_abcd;

# Nonscalar equations
Vp_abcd = - V_abcd;
V_abcd = - Vp_abcd;
