tomopy/tomopy

// Copyright (c) 2015, UChicago Argonne, LLC. All rights reserved.

// Copyright 2015. UChicago Argonne, LLC. This software was produced
// under U.S. Government contract DE-AC02-06CH11357 for Argonne National
// Laboratory (ANL), which is operated by UChicago Argonne, LLC for the
// U.S. Department of Energy. The U.S. Government has rights to use,
// reproduce, and distribute this software.  NEITHER THE GOVERNMENT NOR
// UChicago Argonne, LLC MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
// ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE.  If software is
// modified to produce derivative works, such modified software should
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// Additionally, redistribution and use in source and binary forms, with
// or without modification, are permitted provided that the following
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//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in
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//       Laboratory, ANL, the U.S. Government, nor the names of its
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// THIS SOFTWARE IS PROVIDED BY UChicago Argonne, LLC AND CONTRIBUTORS
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#pragma once

#include <assert.h>
#include <math.h>
#include <stdlib.h>

#define _USE_MATH_DEFINES
#ifndef M_PI
#    define M_PI 3.14159265358979323846264338327
#endif

#ifdef WIN32
#    define DLL __declspec(dllexport)
#else
#    define DLL
#endif

void DLL
     preprocessing(int ngridx, int ngridy, int dz, float center, float* mov, float* gridx,
                   float* gridy);

int DLL
    calc_quadrant(float theta_p);

void DLL
     calc_coords(int ngridx, int ngridy, float xi, float yi, float sin_p, float cos_p,
                 const float* gridx, const float* gridy, float* coordx, float* coordy);

void DLL
     trim_coords(int ngridx, int ngridy, const float* coordx, const float* coordy,
                 const float* gridx, const float* gridy, int* asize, float* ax, float* ay,
                 int* bsize, float* bx, float* by);

void DLL
     sort_intersections(int ind_condition, int asize, const float* ax, const float* ay,
                        int bsize, const float* bx, const float* by, int* csize, float* coorx,
                        float* coory);

void DLL
     calc_dist(int ngridx, int ngridy, int csize, const float* coorx, const float* coory,
               int* indi, float* dist);

void DLL
     calc_dist2(int ngridx, int ngridy, int csize, const float* coorx, const float* coory,
                int* indx, int* indy, float* dist);

void DLL
     calc_simdata(int s, int p, int d, int ngridx, int ngridy, int dt, int dx, int csize,
                  const int* indi, const float* dist, const float* model, float* simdata);

void DLL
     calc_simdata2(int s, int p, int d, int ngridx, int ngridy, int dt, int dx, int csize,
                   const int* indx, const int* indy, const float* dist, float vx, float vy,
                   const float* modelx, const float* modely, float* simdata);

void DLL
     calc_simdata3(int s, int p, int d, int ngridx, int ngridy, int dt, int dx, int csize,
                   const int* indx, const int* indy, const float* dist, float vx, float vy,
                   const float* modelx, const float* modely, const float* modelz, int axis,
                   float* simdata);