CSOMath.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 

 
#pragma once
 
 
#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 size_t getHashKeyForMatrix4(const ml::Matrix4& matrix);

  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);
};

 
ML_END_NAMESPACE