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C++ dMatrix类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中dMatrix的典型用法代码示例。如果您正苦于以下问题:C++ dMatrix类的具体用法?C++ dMatrix怎么用?C++ dMatrix使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了dMatrix类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: viterbiDecoding

void Gradient::viterbiDecoding(Beliefs bel, iVector& ystar, dMatrix& pystar)
{
  int nbNodes, nbStates, xi, yi;
  double max_val;
  
  nbNodes = (int)bel.belStates.size();
  nbStates = 0;
  if(nbNodes > 0)
    nbStates = bel.belStates[0].getLength();
  
  ystar.create(nbNodes);
  pystar.create(nbNodes,nbStates);
  
  // Viterbi decoding
  for( xi=0; xi<nbNodes; xi++) {
    ystar.setValue(xi, 0);
    max_val = bel.belStates[xi][0];
    pystar.setValue(0, xi, bel.belStates[xi][0]);
    for( yi=1; yi<nbStates; yi++) {
      pystar.setValue(yi, xi, bel.belStates[xi][yi]);
      if(max_val < bel.belStates[xi][yi]) {
        ystar.setValue(xi,yi);
        max_val = bel.belStates[xi][yi];
      }
    }
  }
}
开发者ID:yalesong,项目名称:hCRF-light,代码行数:27,代码来源:gradient.cpp


示例2: Mul

void BLASInterface::Mul(const dMatrix& A,const dMatrix& B,dMatrix& X)
{
  X.resize(A.m,B.n);
  X.setZero();
  if(X.isRowMajor()) std::swap(X.istride,X.jstride);
  Madd(A,B,X);
}
开发者ID:HargisJ,项目名称:KrisLibrary,代码行数:7,代码来源:BLASInterface.cpp


示例3: BakeTransform

void dRigidbodyNodeInfo::BakeTransform (const dMatrix& transform)
{
//	SetTransform (transform.Inverse4x4() * GetTransform() * transform);
	dNodeInfo::BakeTransform (transform);

	m_centerOfMass = transform.UnrotateVector(m_centerOfMass);
	m_massMatrix = transform.UnrotateVector(m_massMatrix);
	m_velocity = transform.RotateVector(m_velocity);
}
开发者ID:Hurleyworks,项目名称:newton-dynamics,代码行数:9,代码来源:dRigidbodyNodeInfo.cpp


示例4: transpose

dMatrix transpose(dMatrix m){
	dMatrix t(m[0].size(), dVector(m.size()));
	for (int i = 0; i < m.size(); i++){
		for( int j = 0; j < m[0].size(); j++){
			t[i][j] = m[j][i];
		}
	}
	return t;
}
开发者ID:tfc2,项目名称:if680,代码行数:9,代码来源:util.cpp


示例5: point

void MSNewton::Servo::adjust_pin_matrix_proc(JointData* joint_data, dMatrix& pin_matrix) {
	dMatrix matrix;
	dVector centre;
	NewtonBodyGetMatrix(joint_data->child, &matrix[0][0]);
	NewtonBodyGetCentreOfMass(joint_data->child, &centre[0]);
	centre = matrix.TransformVector(centre);
	centre = pin_matrix.UntransformVector(centre);
	dVector point(0.0f, 0.0f, centre.m_z);
	pin_matrix.m_posit = pin_matrix.TransformVector(point);
}
开发者ID:chegarty3,项目名称:MSPhysics,代码行数:10,代码来源:msp_joint_servo.cpp


示例6: GetCoordinates

dMatrix clSpline::GetCoordinates(const dMatrix &uSpec)
{
  dMatrix coord;

  if(uSpec.GetNumberColumns() != 1 || uSpec.GetNumberRows() == 0)
  {
    throw clException("clSpline", "GetCoordinates", "Invalid dimensions of matrix uSpec.");
  }
  else
  {
    coord.SetNumberRows(uSpec.GetNumberRows());
    coord.SetNumberColumns(3);

    if(!initialised)
    {
      Initialise();
    }

    // Do for all specified u's
    for(int i=1; i<=uSpec.GetNumberRows(); i++)
    {
      if(uSpec(i, 1) < 0 || uSpec(i, 1) > 1)
      {
        throw clException("clSpline", "GetCoordinates", "Invalid value for uSpec.");
      }
      else
      {
        // Now find the position of uSpec
        double uu = uSpec(i, 1)*GetSplineLength();

        int j = 1;
        while((uu - u(j+1, 1) > 0) && (j<u.GetNumberRows()-1))
        {
          j++;
        }

        // Now calculate the coefficients
        double A = (u(j+1, 1)-uu)/(u(j+1, 1)-u(j,1));
        double B = 1-A;
        double C = (A*A*A-A)/6 * (u(j+1, 1)-u(j, 1))*(u(j+1, 1)-u(j, 1));
        double D = (B*B*B-B)/6 * (u(j+1, 1)-u(j, 1))*(u(j+1, 1)-u(j, 1));

        // Finally calculate the coordinates
        coord.SetElement(i, 1, A*X(j, 1) + B*X(j+1, 1) + C*X2(j, 1) + D*X2(j+1, 1));
        coord.SetElement(i, 2, A*Y(j, 1) + B*Y(j+1, 1) + C*Y2(j, 1) + D*Y2(j+1, 1));
        coord.SetElement(i, 3, A*Z(j, 1) + B*Z(j+1, 1) + C*Z2(j, 1) + D*Z2(j+1, 1));
      }
    }
  }

  return (coord);
}
开发者ID:hklaufus,项目名称:GridLab,代码行数:52,代码来源:spline.cpp


示例7: multiplicacaoNN

dMatrix multiplicacaoNN(const dMatrix m1, const dMatrix m2)
{
    int m1l = m1.size(), m1c = m1[0].size(), m2l=m2.size(), m2c = m2[0].size();
	dMatrix matrix(m1l, dVector(m2c, 0));
	for (int l = 0; l < m1l; l++){
		for (int c = 0; c < m1c; c++){
			for (int k = 0; k < m1c; k++){
				matrix[l][c] += m1[l][k] * m2[k][c];
			}
		}
	}
    return matrix;
}
开发者ID:tfc2,项目名称:if680,代码行数:13,代码来源:util.cpp


示例8: tmp

void dMeshNodeInfo::BakeTransform (const dMatrix& transform)
{
	dVector scale; 
	dMatrix stretchMatrix;

//	dMatrix matrix (m_matrix * transform);
//	matrix.PolarDecomposition (m_matrix, scale, stretchMatrix);
//	matrix = dMatrix (GetIdentityMatrix(), scale, stretchMatrix);

	dMatrix tmp (m_matrix);
	dMatrix matrix (transform.Inverse4x4() * m_matrix * transform);
	matrix.PolarDecomposition (m_matrix, scale, stretchMatrix);
	matrix = transform * dMatrix (GetIdentityMatrix(), scale, stretchMatrix);

	int pointCount = NewtonMeshGetPointCount (m_mesh); 
	int pointStride = NewtonMeshGetPointStrideInByte (m_mesh) / sizeof (dFloat);
	dFloat* const points = NewtonMeshGetPointArray (m_mesh); 
	matrix.TransformTriplex(points, pointStride * sizeof (dFloat), points, pointStride * sizeof (dFloat), pointCount);


	dFloat* const normals = NewtonMeshGetNormalArray(m_mesh); 
	dMatrix rotation (matrix.Inverse4x4().Transpose() * matrix);
	rotation.m_posit = dVector (0.0f, 0.0f, 0.0f, 1.0f);
	rotation.TransformTriplex(normals, pointStride * sizeof (dFloat), normals, pointStride * sizeof (dFloat), pointCount);

	int vertexCount = NewtonMeshGetVertexCount (m_mesh); 
	int vertexStride = NewtonMeshGetVertexStrideInByte (m_mesh) / sizeof (dFloat);
	dFloat* const vertex = NewtonMeshGetVertexArray (m_mesh); 
	matrix.TransformTriplex(vertex, vertexStride * sizeof (dFloat), vertex, vertexStride * sizeof (dFloat), vertexCount);
}
开发者ID:ak4hige,项目名称:myway3d,代码行数:30,代码来源:dMeshNodeInfo.cpp


示例9: diff_unary

double segment::diff_unary(const dMatrix M, int c1, int c2)
{
	double val = 0;
	for( int r=0; r<M.getHeight(); r++ ) 
		val += fabs( M(r,c1) - M(r,c2) );
	return val;
}
开发者ID:apoliver,项目名称:hCRF-light,代码行数:7,代码来源:Segment.cpp


示例10: AddPolygonFromObject

void ConvexApproximationObject::AddPolygonFromObject(INode* const node, ObjectState* const os, NewtonMesh* const meshOut, const dMatrix& matrix)
{
	BOOL needDel = FALSE;
	PolyObject* const poly = GetPolyObject (os, needDel); 
	if (poly) {

		float polygon[32][12];
		memset (polygon, 0, sizeof (polygon));

		MNMesh& maxMesh = poly->GetMesh();
		int facesCount = maxMesh.FNum();
		int vertexCount = maxMesh.VNum();

		if (facesCount && vertexCount) {
			for (int i = 0; i < facesCount; i ++) {
				MNFace* const face = maxMesh.F(i);

				for (int j = 0; j < face->deg; j ++) {
					int index = face->vtx[j];
					Point3 p (maxMesh.P(index));
					dVector v (matrix.TransformVector(dVector (p.x, p.y, p.z, 0.0f)));
					polygon[j][0] = v.m_x;
					polygon[j][1] = v.m_y;
					polygon[j][2] = v.m_z;
				}
				NewtonMeshAddFace(meshOut, face->deg, &polygon[0][0], 12 * sizeof (float), 0);
			}
		}
	}
	if (needDel) {
		delete poly;
	}
}
开发者ID:Hurleyworks,项目名称:newton-dynamics,代码行数:33,代码来源:ConvexApproximation.cpp


示例11: multiplicacaoN1

dVector multiplicacaoN1(const dMatrix &m1, const dVector &v2)
{
    dVector vetor (m1[0].size());
	for (int i = 0; i < m1.size(); ++i)
        for (int j = 0; j < m1[0].size(); ++j)
            vetor[i] += m1[i][j] * v2[j];
	 return vetor;
}
开发者ID:tfc2,项目名称:if680,代码行数:8,代码来源:util.cpp


示例12: x

void dCustomJoint::dDebugDisplay::DrawFrame(const dMatrix& matrix)
{
	dVector o0(matrix.m_posit);

	dFloat size = 0.25f;
	dVector x(matrix.m_posit + matrix.RotateVector(dVector(size, 0.0f, 0.0f, 0.0f)));
	SetColor(dVector (1.0f, 0.0f, 0.0f));
	DrawLine (matrix.m_posit, x);

	dVector y(matrix.m_posit + matrix.RotateVector(dVector(0.0f, size, 0.0f, 0.0f)));
	SetColor(dVector (0.0f, 1.0f, 0.0f));
	DrawLine (matrix.m_posit, y);

	dVector z(matrix.m_posit + matrix.RotateVector(dVector(0.0f, 0.0f, size, 0.0f)));
	SetColor(dVector (0.0f, 0.0f, 1.0f));
	DrawLine (matrix.m_posit, z);
}
开发者ID:fly-man-,项目名称:newton-dynamics,代码行数:17,代码来源:dCustomJoint.cpp


示例13: GetBoundingBox

dBoundingBox ParticlePrimitive::GetBoundingBox(const dMatrix &space)
{
	dBoundingBox box;
	for (vector<dVector,FLX_ALLOC(dVector) >::iterator i=m_VertData->begin(); i!=m_VertData->end(); ++i)
	{
		box.expand(space.transform(*i));
	}
	return box;
}
开发者ID:Left-handedCatchersGlove,项目名称:fluxus,代码行数:9,代码来源:ParticlePrimitive.cpp


示例14: dAssert

dQuaternion::dQuaternion (const dMatrix &matrix)
{
	enum QUAT_INDEX
	{
		X_INDEX=0,
		Y_INDEX=1,
		Z_INDEX=2
	};
	static QUAT_INDEX QIndex [] = {Y_INDEX, Z_INDEX, X_INDEX};

	dFloat trace = matrix[0][0] + matrix[1][1] + matrix[2][2];
	dAssert (((matrix[0] * matrix[1]) % matrix[2]) > 0.0f);

	if (trace > dFloat(0.0f)) {
		trace = dSqrt (trace + dFloat(1.0f));
		m_q0 = dFloat (0.5f) * trace;
		trace = dFloat (0.5f) / trace;
		m_q1 = (matrix[1][2] - matrix[2][1]) * trace;
		m_q2 = (matrix[2][0] - matrix[0][2]) * trace;
		m_q3 = (matrix[0][1] - matrix[1][0]) * trace;

	} else {
		QUAT_INDEX i = X_INDEX;
		if (matrix[Y_INDEX][Y_INDEX] > matrix[X_INDEX][X_INDEX]) {
			i = Y_INDEX;
		}
		if (matrix[Z_INDEX][Z_INDEX] > matrix[i][i]) {
			i = Z_INDEX;
		}
		QUAT_INDEX j = QIndex [i];
		QUAT_INDEX k = QIndex [j];

		trace = dFloat(1.0f) + matrix[i][i] - matrix[j][j] - matrix[k][k];
		trace = dSqrt (trace);

		dFloat* const ptr = &m_q1;
		ptr[i] = dFloat (0.5f) * trace;
		trace = dFloat (0.5f) / trace;
		m_q0 = (matrix[j][k] - matrix[k][j]) * trace;
		ptr[j] = (matrix[i][j] + matrix[j][i]) * trace;
		ptr[k] = (matrix[i][k] + matrix[k][i]) * trace;
	}

#if _DEBUG

	dMatrix tmp (*this, matrix.m_posit);
	dMatrix unitMatrix (tmp * matrix.Inverse());
	for (int i = 0; i < 4; i ++) {
		dFloat err = dAbs (unitMatrix[i][i] - dFloat(1.0f));
		dAssert (err < dFloat (1.0e-3f));
	}

	dFloat err = dAbs (DotProduct(*this) - dFloat(1.0f));
	dAssert (err < dFloat(1.0e-3f));
#endif

}
开发者ID:DevO2012,项目名称:PEEL,代码行数:57,代码来源:dQuaternion.cpp


示例15: SetMatrix

void GLSLShader::SetMatrix(const string &name, dMatrix &m)
{
	#ifdef GLSL
	if (!m_Enabled) return;

	GLuint param = glGetUniformLocation(m_Program, name.c_str());
	glUniformMatrix4fv(param, 1, GL_FALSE, m.arr());
	#endif
}
开发者ID:Left-handedCatchersGlove,项目名称:fluxus,代码行数:9,代码来源:GLSLShader.cpp


示例16: CalculateAABB

void CalculateAABB (const NewtonCollision* const collision, const dMatrix& matrix, dVector& minP, dVector& maxP)
{
	for (int i = 0; i < 3; i ++) {
		dVector support(0.0f);
		dVector dir (0.0f);
		dir[i] = 1.0f;

		dVector localDir (matrix.UnrotateVector (dir));
		NewtonCollisionSupportVertex (collision, &localDir[0], &support[0]);
		support = matrix.TransformVector (support);
		maxP[i] = support[i];  

		localDir = localDir.Scale (-1.0f);
		NewtonCollisionSupportVertex (collision, &localDir[0], &support[0]);
		support = matrix.TransformVector (support);
		minP[i] = support[i];  
	}
}
开发者ID:MADEAPPS,项目名称:newton-dynamics,代码行数:18,代码来源:PhysicsUtils.cpp


示例17: SetConeAngle

CustomLimitBallAndSocket::CustomLimitBallAndSocket(const dMatrix& childPinAndPivotFrame, NewtonBody* const child, const dMatrix& parentPinAndPivotFrame, NewtonBody* const parent)
	:CustomBallAndSocket(childPinAndPivotFrame, child, parent)
	,m_rotationOffset(childPinAndPivotFrame * parentPinAndPivotFrame.Inverse())
{
	SetConeAngle (0.0f);
	SetTwistAngle (0.0f, 0.0f);
	dMatrix matrix;
	CalculateLocalMatrix (parentPinAndPivotFrame, matrix, m_localMatrix1);
}
开发者ID:alexsaen,项目名称:newton-dynamics,代码行数:9,代码来源:CustomBallAndSocket.cpp


示例18: GetBoundingBox

dBoundingBox PixelPrimitive::GetBoundingBox(const dMatrix &space)
{
	dBoundingBox box;
	for (vector<dVector,FLX_ALLOC(dVector) >::iterator i=m_Points.begin(); i!=m_Points.end(); ++i)
	{
		box.expand(space.transform(*i));
	}
	return box;
}
开发者ID:florolf,项目名称:fluxus-pp,代码行数:9,代码来源:PixelPrimitive.cpp


示例19:

dMatrix::dMatrix (const dMatrix & transformMatrix, const dVector & scale, const dMatrix & stretchAxis)
{
   dMatrix scaledAxis;
   scaledAxis[0] = stretchAxis[0].Scale (scale[0]);
   scaledAxis[1] = stretchAxis[1].Scale (scale[1]);
   scaledAxis[2] = stretchAxis[2].Scale (scale[2]);
   scaledAxis[3] = stretchAxis[3];
   *this = stretchAxis.Transpose() * scaledAxis * transformMatrix;
}
开发者ID:Hurleyworks,项目名称:NewtonBlock,代码行数:9,代码来源:dMatrix.cpp


示例20: GetBoundingBox

dBoundingBox NURBSPrimitive::GetBoundingBox(const dMatrix &space)
{
	dBoundingBox box;
	for (vector<dVector>::iterator i=m_CVVec->begin();	i!=m_CVVec->end(); ++i)
	{
		box.expand(space.transform(*i));
	}
	return box;
}
开发者ID:badgeek,项目名称:fluxus,代码行数:9,代码来源:NURBSPrimitive.cpp



注:本文中的dMatrix类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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