trig_ops.H

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#ifndef TRIG_OPS_H
#define TRIG_OPS_H

 
#include <cmath>
#include "AMReX_REAL.H"
#include "AMReX_Gpu.H"
 
using namespace amrex::literals;
 
namespace amr_wind::utils {

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE constexpr amrex::Real pi()
{
    return static_cast<amrex::Real>(M_PI);
}

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE constexpr amrex::Real two_pi()
{
    return 2.0_rt * static_cast<amrex::Real>(M_PI);
}

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE constexpr amrex::Real half_pi()
{
    return 0.5_rt * static_cast<amrex::Real>(M_PI);
}

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real
radians(const amrex::Real deg_val)
{
    return pi() * deg_val / 180.0_rt;
}

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real
degrees(const amrex::Real rad_val)
{
    return 180.0_rt * rad_val / pi();
}
 
} // namespace amr_wind::utils
 
#endif /* TRIG_OPS_H */