ERF_Thetav.H

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#ifndef ERF_UTILS_THETAV_H_
#define ERF_UTILS_THETAV_H_
/*
 * Calculate virtual potential temperature, returning potential temperature in
 * the absence of moisture.
 */
AMREX_GPU_DEVICE
AMREX_FORCE_INLINE
amrex::Real
Thetav (int i, int j, int k,
        const amrex::Array4<const amrex::Real>& cell_data,
        const int RhoQv_comp,
        const int RhoQr_comp)
{
    amrex::Real thetav = cell_data(i,j,k,RhoTheta_comp) / cell_data(i,j,k,Rho_comp);
 
    if (RhoQr_comp > 0) {
        thetav *= (1.0 + 0.61 * cell_data(i,j,k,RhoQv_comp) / cell_data(i,j,k,Rho_comp)
                              - cell_data(i,j,k,RhoQr_comp) / cell_data(i,j,k,Rho_comp));
    } else if (RhoQv_comp > 0) {
        thetav *= (1.0 + 0.61 * cell_data(i,j,k,RhoQ1_comp) / cell_data(i,j,k,Rho_comp));
    }
 
    return thetav;
}
#endif