MeVisLab/Standard/Sources/ML/MLCSO/CSOTools/CSOMath.h

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// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#ifndef __CSOMath_H
#define __CSOMath_H

#include "MLCSOIncludes.h"
#include "CSOBase/CSO.h"
#include "CSOTools/CSOHeapObject.h"
#include "CSOTools/CSOObjectHeap.h"
#include "CSOTools/CSOGeometry.h"

#include <mlRotation.h>

ML_START_NAMESPACE


namespace CSOMath 
{

  const double smallNumber = 10e-10;

  MLCSO_EXPORT double computeArea(const std::vector<Vector3>& points, const Vector3& normal);
  MLCSO_EXPORT void computeAreaAndCenterOfGravity(const std::vector<Vector3>& points, const Vector3& normal, const Vector3& centerPoint, double& area, Vector3& centerOfGravity);
  
  MLCSO_EXPORT Vector3 mapWorldToVoxel(const Vector3& worldPos, const CSO* cso);
  MLCSO_EXPORT void mapWorldToVoxel(const Vector3& worldPos, Vector3& voxelPos, const CSO* cso);

  MLCSO_EXPORT inline int floorToInt(const double x) {
#if defined(WIN32) && !defined(_WIN64)
    const double floored_x = floor(x);
    int n;
    __asm fld qword ptr floored_x;
    __asm fistp dword ptr n;
    return n;
#else
    return static_cast<int>(floor(x));    
#endif
  }

  MLCSO_EXPORT inline int ceilToInt(const double x) {
#if defined(WIN32) && !defined(_WIN64)
    const double ceiled_x = ceil(x);
    int n;
    __asm fld qword ptr ceiled_x;
    __asm fistp dword ptr n;
    return n;
#else
    return static_cast<int>(ceil(x));    
#endif
  }

  MLCSO_EXPORT double computeDirectionDotProduct(const Vector3& predPos, const Vector3& middlePos, const Vector3& succPos);
  
}; // end CSOMath namespace


ML_END_NAMESPACE


#endif // __CSOMath_H