hydro_constants.H

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/**
 * \file hydro_constants.H
 */
 
 
/** \addtogroup Utilities
 * @{
 */
 
#ifndef HYDRO_CONSTANTS_H_
#define HYDRO_CONSTANTS_H_
 
#include <AMReX_REAL.H>
#include <cmath>
 
/**
 * \def XVEL
 * Index for the X velocity component.
 */
/**
 * \def YVEL
 * Index for the Y velocity component.
 */
/**
 * \def ZVEL
 * Index for the Z velocity component.
 */
#define XVEL 0
#define YVEL 1
#define ZVEL 2
 
/**
 * \var small_vel
 *
 * What we consider a ~zero velocity when upwinding.
 */
static constexpr amrex::Real small_vel = amrex::Real(1.e-8);
 
/**
 * \var covered_val
 *
 * Value to use in covered cells.
 */
#ifdef AMREX_USE_FLOAT
static constexpr amrex::Real hydro_covered_val = amrex::Real(1.0e20);
#else
static constexpr amrex::Real hydro_covered_val = amrex::Real(1.0e40);
#endif
 
#endif
/** @}*/