Function fftR2C<3>

src/api/cpp/fft.cpp:191–197

template<>
AFAPI array fftR2C<3>(const array& in, const dim4& dims,
                      const double norm_factor) {
    af_array res;
    AF_THROW(af_fft3_r2c(&res, in.get(), norm_factor == 0 ? 1.0 : norm_factor,
                         dims[0], dims[1], dims[2]));
    return array(res);
}

inline dim_t getOrigDim(dim_t d, bool is_odd) {
    return 2 * (d - 1) + (is_odd ? 1 : 0);