transform.h

// Copyright 2020, the Aether Development Team (see doc/dev_team.md for members)
// Full license can be found in License.md
 
#ifndef INCLUDE_TRANSFORM_H_
#define INCLUDE_TRANSFORM_H_
 
// The armadillo library is to allow the use of 3d cubes and other
// array types, with array math built in. This eliminates loops!
#include <armadillo>
#include "aether.h"
using namespace arma;
 
void copy_cube_to_array(arma_cube cube_in,
                        float *array_out);
 
void copy_vector_to_array(std::vector<float> vector_in,
              int64_t nElements,
              float *array_out);
 
std::vector<arma_cube> transform_llr_to_xyz_3d(std::vector<arma_cube> llr);
std::vector<arma_cube> rotate_around_x_3d(std::vector<arma_cube> XYZ_in, precision_t angle);
std::vector<arma_cube> rotate_around_y_3d(std::vector<arma_cube> XYZ_in, precision_t angle);
std::vector<arma_cube> rotate_around_z_3d(std::vector<arma_cube> XYZ_in, precision_t angle);
 
void transform_llr_to_xyz(precision_t llr_in[3], precision_t xyz_out[3]);
void transform_rot_z(precision_t xyz_in[3], precision_t angle_in, precision_t xyz_out[3]);
void transform_rot_y(precision_t xyz_in[3], precision_t angle_in, precision_t xyz_out[3]);
void transform_float_vector_to_array(std::vector<float> input,
                                     precision_t output[3]);
 
void transform_vector_xyz_to_env(precision_t xyz_in[3],
                                 precision_t lon,
                                 precision_t lat,
                                 precision_t env_out[3]);
 
// These are not really transformations, but are placeholders
 
void vector_diff(precision_t vect_in_1[3],
                 precision_t vect_in_2[3],
                 precision_t vect_out[3]);
 
 
#endif  // INCLUDE_TRANSFORM_H_