自学教程：C++ t0函数代码示例

	TriMesh<FloatType> Shapes<FloatType>::torus(const vec3<FloatType> &center, FloatType majorRadius, FloatType minorRadius, UINT stacks, UINT slices, const std::function<vec4<FloatType>(unsigned int)> &stackIndexToColor)	{		std::vector<typename TriMesh<FloatType>::Vertex> vertices(slices * stacks);		std::vector<UINT> indices(stacks * slices * 6);		UINT vIndex = 0;		// initial theta faces y front		FloatType baseTheta = ml::math::PIf / 2.0f;		for (UINT i = 0; i < stacks; i++)		{			FloatType theta = FloatType(i) * 2.0f * ml::math::PIf / FloatType(stacks) + baseTheta;			auto color = stackIndexToColor(i);			FloatType sinT = sinf(theta);			FloatType cosT = cosf(theta);			ml::vec3<FloatType> t0(cosT * majorRadius, sinT * majorRadius, 0.0f);			for (UINT i2 = 0; i2 < slices; i2++)			{				auto& vtx = vertices[vIndex++];				FloatType phi = FloatType(i2) * 2.0f * ml::math::PIf / FloatType(slices);				FloatType sinP = sinf(phi);				vtx.position = ml::vec3<FloatType>(minorRadius * cosT * sinP, minorRadius * sinT * sinP, minorRadius * cosf(phi)) + t0;				vtx.color = color;			}		}		UINT iIndex = 0;		for (UINT i = 0; i < stacks; i++)		{			UINT ip1 = (i + 1) % stacks;			for (UINT i2 = 0; i2 < slices; i2++)			{				UINT i2p1 = (i2 + 1) % slices;				indices[iIndex++] = ip1 * slices + i2;				indices[iIndex++] = i * slices + i2;				indices[iIndex++] = i * slices + i2p1;				indices[iIndex++] = ip1 * slices + i2;				indices[iIndex++] = i * slices + i2p1;				indices[iIndex++] = ip1 * slices + i2p1;			}		}		return TriMesh<FloatType>(vertices, indices, true);	}

void VRSnappingEngine::setPreset(PRESET preset) {    clear();    Line t0(Pnt3f(0,0,0), Vec3f(0,0,0));    Line o0(Pnt3f(0,0,-1), Vec3f(0,1,0));    switch(preset) {        case SIMPLE_ALIGNMENT:            addRule(POINT, POINT, t0, o0, 1, 1, 0);            addRule(LINE, POINT, Line(Pnt3f(), Vec3f(1,0,0)), o0, 1, 1, 0);            addRule(LINE, POINT, Line(Pnt3f(), Vec3f(0,1,0)), o0, 1, 1, 0);            addRule(LINE, POINT, Line(Pnt3f(), Vec3f(0,0,1)), o0, 1, 1, 0);            break;        case SNAP_BACK:            addRule(POINT, POINT, t0, o0, 1, 1, 0);            break;    }}

void TestResolution() {    static double target_value = 0.314159265358979323846264338327950288419;    static double step_value = 0.00027182818284590452353602874713526624977572;    static int range_value = 100;    double avg_diff = 0.0;    double max_diff = 0.0;    for( int i = -range_value; i <= range_value; ++i ) {        double my_time = target_value + step_value * i;        tbb::tick_count::interval_t t0(my_time);        double interval_time = t0.seconds();        avg_diff += (my_time - interval_time);        if ( max_diff < my_time-interval_time) max_diff = my_time-interval_time;        // time always truncates        ASSERT(interval_time >= 0 && my_time - interval_time < tbb::tick_count::resolution(), "tick_count resolution out of range");    }    avg_diff = (avg_diff/(2*range_value+1))/tbb::tick_count::resolution();    max_diff /= tbb::tick_count::resolution();    REMARK("avg_diff = %g ticks, max_diff = %g ticks/n", avg_diff, max_diff);}

dgInt32 FastRayTest::BoxTestSimd (const dgVector& minBox, const dgVector& maxBox) const{	simd_128 boxP0 ((simd_128&)minBox);	simd_128 boxP1 ((simd_128&)maxBox);	simd_128 tt0 (((simd_128&)m_p0 <= boxP0) | ((simd_128&)m_p0 >= boxP1) & (simd_128&)m_isParallel);	if (tt0.GetSignMask() & 0x07) {		return 0;	}	tt0 = (boxP0 - (simd_128&)m_p0) * (simd_128&)m_dpInv;	simd_128 tt1 ((boxP1 - (simd_128&)m_p0) * (simd_128&)m_dpInv);	simd_128 t0 (((simd_128&)m_minT).GetMax(tt0.GetMin(tt1)));	simd_128 t1 (((simd_128&)m_maxT).GetMin(tt0.GetMax(tt1)));	t0 = t0.GetMax(t0.ShiftTripleRight());	t1 = t1.GetMin(t1.ShiftTripleRight());	t0 = t0.GetMax(t0.ShiftTripleRight());	t1 = t1.GetMin(t1.ShiftTripleRight());	return ((t0 < t1).GetSignMask() & 1);}

dgBigVector LineTriangleIntersection (const dgBigVector& p0, const dgBigVector& p1, const dgBigVector& A, const dgBigVector& B, const dgBigVector& C){	dgHugeVector ph0 (p0);	dgHugeVector ph1 (p1);	dgHugeVector Ah (A);	dgHugeVector Bh (B);	dgHugeVector Ch (C);	dgHugeVector p1p0 (ph1 - ph0);	dgHugeVector Ap0 (Ah - ph0);	dgHugeVector Bp0 (Bh - ph0);	dgHugeVector Cp0 (Ch - ph0);	dgGoogol t0 ((Bp0 * Cp0) % p1p0);	dgFloat64 val0 = t0.GetAproximateValue();		if (val0 < dgFloat64 (0.0f)) {		return dgBigVector (dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (-1.0f));	}	dgGoogol t1 ((Cp0 * Ap0) % p1p0);	dgFloat64 val1 = t1.GetAproximateValue();		if (val1 < dgFloat64 (0.0f)) {		return dgBigVector (dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (-1.0f));	}	dgGoogol t2 ((Ap0 * Bp0) % p1p0);	dgFloat64 val2 = t2.GetAproximateValue();		if (val2 < dgFloat64 (0.0f)) {		return dgBigVector (dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (-1.0f));	}	dgGoogol sum = t0 + t1 + t2;	dgFloat64 den = sum.GetAproximateValue();#ifdef _DEBUG	dgBigVector testpoint (A.Scale (val0 / den) + B.Scale (val1 / den) + C.Scale(val2 / den));	dgFloat64 volume = ((B - A) * (C - A)) % (testpoint - A);	_ASSERTE (fabs (volume) < dgFloat64 (1.0e-12f));#endif	return dgBigVector (val0 / den, val1 / den, val2 / den, dgFloat32 (0.0f));}

int main(int argc, char const* argv[]) {    // The order of creation is important; it makes it more likely that    // A will appear first in the list of vertices of the lock graph,    // making the algorithm find a cycle A->B->C->A instead of some    // other permutation of it. If the algorithm finds another permutation    // of the cycle, this test is useless.    d2mock::mutex A;    d2mock::mutex B;    d2mock::mutex C;    d2mock::thread t0([&] {        A.lock();            B.lock();            B.unlock();        A.unlock();    });    d2mock::thread t1([&] {        B.lock();            C.lock();            C.unlock();        B.unlock();    });    d2mock::thread t2([&] {        C.lock();            A.lock();            A.unlock();        C.unlock();    });    auto test_main = [&] {        t0.start();            t2.start();            t2.join();            t1.start();            t1.join();        t0.join();    };    return d2mock::check_scenario(test_main, argc, argv, {/* none */});}

int Intersect(const TSegment2<NumericType> &S1, const TSegment2<NumericType> &S2, TPt2<NumericType> *x){	typedef TVec2<NumericType> vec_t;	vec_t v1(S1[1]-S1[0]), v2(S2[1]-S2[0]);	vec_t v3(S2[0]-S1[0]);	NumericType denom(vec_t::Cross(v1,v2));	if(0 == denom){		// parallel segments		TLine2<NumericType> L1(S1.Line());		if(L1.SideOf(S2[0]) == 0){			// collinear segments, find endpoints of overlap			NumericType t0(L1.Projection(S2[0]));			NumericType t1(L1.Projection(S2[1]));			if(t0 > t1){ std::swap(t0,t1); }			// Returns midpoint of overlapping segment if possible			if(NumericType(0) <= t0 && t0 <= NumericType(1)){				if(NumericType(0) <= t1 && t1 <= NumericType(1)){					if(NULL != x){						x[0] = L1[(t0+t1)/NumericType(2)];					}				}else{					if(NULL != x){						x[0] = L1[(t0+NumericType(1))/NumericType(2)];					}				}				return -1;			}else if(NumericType(0) <= t1 && t1 <= NumericType(1)){				if(NULL != x){					x[0] = L1[t1/NumericType(2)];				}				return -1;			}else{ // collinear but no intersections				return 0;			}		}else{			return 0;		}	}else{		NumericType t(vec_t::Cross(v3,v2)/denom);		if(NULL != x){ x[0] = S1.Line()[t]; }		return 1;	}}

CImage *CImageLABtoXYZ(CImage *cimg){  CImage *ncimg=NULL;  int p,n,i;  ncimg = CreateCImage(cimg->C[0]->ncols,cimg->C[0]->nrows);  n    = ncimg->C[0]->ncols*ncimg->C[0]->nrows;  for (p=0; p < n; p++){    i = triplet(cimg->C[0]->val[p],cimg->C[1]->val[p],cimg->C[2]->val[p]);    i = LAB2XYZ(i);    ncimg->C[0]->val[p]=t0(i);    ncimg->C[1]->val[p]=t1(i);    ncimg->C[2]->val[p]=t2(i);  }  return(ncimg);}

dirac_sequence generate_dirac_sequence(double speed_of_sound,                                       double room_volume,                                       double sample_rate,                                       double max_time) {    const auto constant_mean_occurrence =            constant_mean_event_occurrence(speed_of_sound, room_volume);    std::default_random_engine engine{std::random_device{}()};    util::aligned::vector<float> ret(std::ceil(max_time * sample_rate), 0);    for (auto t = t0(constant_mean_occurrence); t < max_time;         t += interval_size(                 engine, mean_event_occurrence(constant_mean_occurrence, t))) {        const auto sample_index = t * sample_rate;        const size_t twice = 2 * sample_index;        const bool negative = (twice % 2) != 0;        ret[sample_index] = negative ? -1 : 1;    }    return {ret, sample_rate};}

DEF_TEST(TypefaceCache, reporter) {    sk_sp<SkTypeface> t1(SkEmptyTypeface::Create());    {        SkTypefaceCache cache;        REPORTER_ASSERT(reporter, count(reporter, cache) == 0);        {            sk_sp<SkTypeface> t0(SkEmptyTypeface::Create());            cache.add(t0.get());            REPORTER_ASSERT(reporter, count(reporter, cache) == 1);            cache.add(t1.get());            REPORTER_ASSERT(reporter, count(reporter, cache) == 2);            cache.purgeAll();            REPORTER_ASSERT(reporter, count(reporter, cache) == 2);        }        REPORTER_ASSERT(reporter, count(reporter, cache) == 2);        cache.purgeAll();        REPORTER_ASSERT(reporter, count(reporter, cache) == 1);    }    REPORTER_ASSERT(reporter, t1->unique());}

void AddCylinder(Geometry*g,float h,float r, int sides){    Geometry tmp;    float ang=(float)(PI*2.0/sides);    float sina=sin(ang),cosa=cos(ang);    int i;    vec3 t1(r,0,0),t0(r,0,0),hh(0,h,0),hh0(0,0,0);    for(i=0; i<sides; i++)    {        t1.RotateOij(sina,cosa,0,2);        AddQuad(&tmp,t0,t1,t1+hh,t0+hh);        tmp.AddTriangle(t0,t1,hh0);        tmp.AddTriangle(t1+hh,t0+hh,hh);        t0=t1;    }    tmp.SetNormOutOf(vec3(0,h/2,0));    g->Add(tmp);}

// Adapted from SV-COMP'13 benchmark://  https://svn.sosy-lab.org/software/sv-benchmarks/trunk/c/pthread/fib_bench_longer_false-unreach-label.cTEST(CrvFunctionalTest, SatFib6){  constexpr unsigned N = 6;  crv::tracer().reset();  crv::Encoder encoder;  crv::External<int> i = 1, j = 1;  crv::Thread t0(fib_t0, N, i, j);  crv::Thread t1(fib_t1, N, i, j);  crv::tracer().add_error(377 <= i || 377 <= j);  t0.join();  t1.join();  EXPECT_TRUE(crv::tracer().assertions().empty());  EXPECT_FALSE(crv::tracer().errors().empty());  EXPECT_TRUE(smt::sat == encoder.check(crv::tracer()));  EXPECT_FALSE(crv::tracer().flip());}

void AST_If_Statement::print(const int tabStop, std::ostringstream &stream) const{    std::string t0(tabStop, 32);    stream << t0 << "if (";    m_BoolExpression->print(0, stream);    std::string t1(tabStop+1, 32);    stream            << ") then /n"            << t0 << "begin /n";    AST_BaseStatement::printList(tabStop +1, stream, m_IfTrueStatements);    stream            << t0 << "end";    if(m_GotElse)    {        stream << t0 << "/n" <<  t0 <<"else /n";        stream << t0 << "begin /n";        AST_BaseStatement::printList(tabStop +1, stream, m_IfFalseStatements);        stream                << t0 << "end";    }}

int main(){    TreeNode t0(15);    TreeNode t1(10);    TreeNode t2(20);    TreeNode t3(8);    TreeNode t4(12);    TreeNode t5(16);    TreeNode t6(25);    TreeNode t7(13);    TreeNode t8(17);    t0.left = &t1;    t0.right = &t2;    t1.left = &t3;    t1.right = &t4;    t2.left = &t5;    t2.right = &t6;    t4.right = &t7;    t5.right = &t8;    cout<<lca(&t0,&t3,&t7)->val<<endl;    return 0;}

/*----------------------------------------------------------------------|   TestSharedVariables+---------------------------------------------------------------------*/static voidTestSharedVariables(){	NPT_SharedVariable shared;	SharedVariableThread t0(1, 2, shared, 0);	SharedVariableThread t1(2, 1, shared, 0.001f);	t0.Start();	t1.Start();	shared.SetValue(1);	NPT_Result result = t0.Wait(10000);	t0.m_Stop = true;	t1.m_Stop = true;	t1.Wait();	NPT_Console::OutputF("T0 transitions=%d, result: %d/n", t0.m_Transitions, t0.m_Result);	NPT_Console::OutputF("T1 transitions=%d, result: %d/n", t1.m_Transitions, t1.m_Result);	CHECK(t0.m_Result == NPT_SUCCESS);	CHECK(t1.m_Result == NPT_SUCCESS);}

void fiber_example(){	iocp::service svr;	fiber::scheduler *data = fiber::scheduler::convert_thread(0);	//iocp::fiber_socket socket(svr);	//socket.invoke(request_proc, &socket);	iocp::fiber_acceptor http_acceptor(svr);	http_acceptor.invoke(acceptot_proc, &http_acceptor);	iocp::fiber_acceptor https_acceptor(svr);	https_acceptor.invoke(ssl_acceptot_proc, &https_acceptor);	iocp::thread t0(fiber_thread_proc, &svr);	printf("started/n");	iocp::error_code ec;	size_t result;	result = svr.run(ec);	t0.join();	std::cout << "finished " << result << " operations" << std::endl;	std::cout << ec.to_string() << std::endl;}

int main(){	std::shared_ptr<Int42Producer> int42Producer(new Int42Producer());	std::shared_ptr<MultiplyIntBy2> consumerProducer(new MultiplyIntBy2(int42Producer, 10));	std::shared_ptr<IntOutput> intOutput(new IntOutput(consumerProducer));	std::thread t0(&Int42Producer::start, int42Producer);	std::thread t1(&MultiplyIntBy2::start, consumerProducer);	std::thread t2(&IntOutput::start, intOutput);		std::this_thread::sleep_for(std::chrono::seconds(10));	intOutput->shutdown();	consumerProducer->shutdown();	int42Producer->shutdown();	t0.join();	t1.join();	t2.join();	return 0;}

int main() {    Time t0(0, 0, 0);    Time t1(0, 12, 12);    Time t2(12, 0, 0);    Time t3(14,4, 5);    // Time t1;    t0.PrintAmPm();    t1.PrintAmPm();    t2.PrintAmPm();    t3.PrintAmPm();    std::vector<Time> times;    times.push_back(t3);    times.push_back(t2);    times.push_back(t1);    times.push_back(t0);    sort(times.begin(), times.end(), isEarlierThan);    for (unsigned int i = 0; i < times.size(); i++) {        times[i].PrintAmPm();    }    return 0;}

void Model::addPlane(const glm::vec3 &a, const glm::vec3 &b, const glm::vec3 &c, const glm::vec4 &texRect) {    glm::vec3 normal = normalize(cross(c - b, a - b));    glm::vec3 d = a + c - b;    glm::vec2 t0(texRect.x, texRect.y);    glm::vec2 t1(texRect.x + texRect.z, texRect.y + texRect.w);    switch (mPrimitive) {        case GLTriangles: {            reserveIndices(6);            size_t n = mVertices.size();            addQuad(n+0, n+1, n+2, n+3);            reserveVertices(4);            addVertex(Vertex(glm::vec2(t1.x,t0.y), normal, c));            addVertex(Vertex(glm::vec2(t1.x,t1.y), normal, d));            addVertex(Vertex(glm::vec2(t0.x,t1.y), normal, a));            addVertex(Vertex(glm::vec2(t0.x,t0.y), normal, b));            break;        }    }}

int main(int argc, char const* argv[]) {    d2mock::mutex G;    d2mock::thread t1([&] {        G.lock();        G.unlock();    });    d2mock::thread t0([&] {        t1.start();        // if t0 acquires G before t1 does, t1 can never be joined        G.lock();        t1.join();        G.unlock();    });    auto test_main = [&] {        t0.start();        t0.join();    };    // Right now, we have no way of encoding these kinds of deadlocks,    // and we're obviously not detecting them too. For now, we'll always    // make the test fail.#if 1    (void)test_main;    return EXIT_FAILURE;#else    return d2mock::check_scenario(test_main, argc, argv, {                {                    // t0 holds G, and waits for t1 to join                    {t0, G, join(t1)},                    // t1 waits for G, and will never be joined                    {t1, G}                }            });#endif}

void Model::addBox(const glm::vec3 &size, const glm::vec3 &center, const glm::vec4 &texRect) {    glm::vec3 mx = center + size;    glm::vec3 mn = center - size;    glm::vec2 t0(texRect.x, texRect.y);    glm::vec2 t1(texRect.x + texRect.z, texRect.y + texRect.w);    glm::vec3 a(mn.x, mn.y, mn.z);    glm::vec3 b(mx.x, mn.y, mn.z);    glm::vec3 c(mn.x, mx.y, mn.z);    glm::vec3 d(mx.x, mx.y, mn.z);    glm::vec3 e(mn.x, mn.y, mx.z);    glm::vec3 f(mx.x, mn.y, mx.z);    glm::vec3 g(mn.x, mx.y, mx.z);    glm::vec3 h(mx.x, mx.y, mx.z);    addPlane(h, f, b, texRect);    addPlane(c, a, e, texRect);    addPlane(c, g, h, texRect);    addPlane(e, a, b, texRect);    addPlane(g, e, f, texRect);    addPlane(d, b, a, texRect);}

//_____________________________________________________________________________bool THaSpectrometerDetector::CalcTrackIntercept(THaTrack* theTrack, 					 Double_t& t, Double_t& xcross, 					 Double_t& ycross){  // projects a given track on to the plane of the detector  // xcross and ycross are the x and y coords of this intersection  // t is the distance from the origin of the track to the given plane.  //   // If a hit is NOT found, then t, xcross, and ycross are unchanged.  TVector3 t0( theTrack->GetX(), theTrack->GetY(), 0.0 );  Double_t norm = TMath::Sqrt(1.0 + theTrack->GetTheta()*theTrack->GetTheta() +			      theTrack->GetPhi()*theTrack->GetPhi());  TVector3 t_hat( theTrack->GetTheta()/norm, theTrack->GetPhi()/norm, 1.0/norm );  TVector3 v;  if( !IntersectPlaneWithRay( fXax, fYax, fOrigin, t0, t_hat, t, v ))    return false;  v -= fOrigin;  xcross = v.Dot(fXax);  ycross = v.Dot(fYax);  return true;}

void DialogTimeStampGenerator2::on_pushButton_clicked(){	static TB2PC_PACKET p;	static ALIVE_PACKET ap;	p.magicNumber1 = MAGIC_NUMBER1;	p.magicNumber2 = MAGIC_NUMBER2;	p.packetVersion = ui->lineEdit_packetVersion->text().toInt();	p.batteryVoltageTB = ui->lineEdit_batteryVoltageTB->text().toInt();	p.triggerStationID = ui->comboBox_triggerStationID->itemData(ui->comboBox_triggerStationID->currentIndex()).toInt();	p.binRssiTS = ui->lineEdit_binRssiTS->text().toInt();	QTime t0(0,0,0);	ap.triggerTimeBB = t0.msecsTo(ui->timeEdit_triggerTimeBB->time())*10;	ap.triggerTimeTS_L = t0.msecsTo(ui->timeEdit_triggerTimeTS_L->time())*10;	ap.triggerTimeTS_R = t0.msecsTo(ui->timeEdit_triggerTimeTS_R->time())*10;	ap.batteryVoltageTS = ui->lineEdit_batteryVoltageTS->text().toInt();	ap.batteryVoltageBB = ui->lineEdit_batteryVoltageBB->text().toInt();	ap.boatBoxID = ui->comboBox_boatBoxID->itemData(ui->comboBox_boatBoxID->currentIndex()).toInt();	ap.binRssiBB = ui->lineEdit_binRssiBB->text().toInt();	ap.stationTriggeredAt = ui->comboBox_stationTriggeredAt->itemData(ui->comboBox_stationTriggeredAt->currentIndex()).toInt();	p.tsPacket = ap;	p.baseTime_100us = t0.msecsTo(ui->timeEdit_baseTime->time())*10;	p.crc = CRC8_run((uint8_t*)(&p), sizeof(p)-1);	//printPacket(p);	QByteArray datagram;	datagram.setRawData((char*)(&p), sizeof(p));	QUdpSocket* udpSocket = new QUdpSocket(this);	udpSocket->writeDatagram(datagram.data(), datagram.size(), QHostAddress::Broadcast, UDP_LISTEN_PORT);}

dgBigVector LineTriangleIntersection (const dgBigVector& p0, const dgBigVector& p1, const dgBigVector& A, const dgBigVector& B, const dgBigVector& C){	dgHugeVector ph0 (p0);	dgHugeVector ph1 (p1);	dgHugeVector Ah (A);	dgHugeVector Bh (B);	dgHugeVector Ch (C);	dgHugeVector p1p0 (ph1 - ph0);	dgHugeVector Ap0 (Ah - ph0);	dgHugeVector Bp0 (Bh - ph0);	dgHugeVector Cp0 (Ch - ph0);	dgGoogol t0 ((Bp0 * Cp0) % p1p0);	double val0 = t0.GetAproximateValue();		if (val0 < double (0.0f)) {		return dgBigVector (float (0.0f), float (0.0f), float (0.0f), float (-1.0f));	}	dgGoogol t1 ((Cp0 * Ap0) % p1p0);	double val1 = t1.GetAproximateValue();		if (val1 < double (0.0f)) {		return dgBigVector (float (0.0f), float (0.0f), float (0.0f), float (-1.0f));	}	dgGoogol t2 ((Ap0 * Bp0) % p1p0);	double val2 = t2.GetAproximateValue();		if (val2 < double (0.0f)) {		return dgBigVector (float (0.0f), float (0.0f), float (0.0f), float (-1.0f));	}	dgGoogol sum = t0 + t1 + t2;	double den = sum.GetAproximateValue();	return dgBigVector (val0 / den, val1 / den, val2 / den, float (0.0f));}

	VML::Vector3 Vec3CatmullRom::Interpolate(float t) const	{		assert(IsReady());		processTime(t);		size_t segm = findSegment(t); 		size_t n_ctrl = mKeyframes.size();		const VML::Vector3& p0 = mKeyframes[segm].data;		const VML::Vector3& p1 = mKeyframes[segm + 1].data;		float time0 = mKeyframes[segm].time;		float time1 = mKeyframes[segm + 1].time;		VML::Vector3 t0(0);		VML::Vector3 t1(0);		if(segm > 0 && segm < n_ctrl - 2)		{			t0 = (p1 - mKeyframes[segm - 1].data) * 0.5f;			t1 = (mKeyframes[segm + 2].data - p0) * 0.5f;		}		else if(segm == 0 && n_ctrl > 2)		{			t0 = (p1 + p1 - mKeyframes[segm + 2].data - p0) * 0.5f;			t1 = (mKeyframes[segm + 2].data - p0) * 0.5f;		}		else if (segm == n_ctrl - 2 && n_ctrl > 2)		{			t0 = (p1 - mKeyframes[segm - 1].data) * 0.5f;			t1 = - (p0 + p0 - mKeyframes[segm - 1].data - p1) * 0.5f;		}		float u = (t - time0) / (time1 - time0), u2 = u*u, u3 = u2*u;		VML::Vector3 pos = p0*(2.0f*u3 - 3.0f*u2 + 1.0f) + p1*(-2.0f*u3 + 3.0f*u2) + t0*(u3 - 2.0f*u2 + u) + t1*(u3 - u2);		return pos;	}

int main(){  {    boost::thread t0( (G()));    BOOST_TEST(t0.joinable());    t0.try_join_until(boost::chrono::steady_clock::now()+boost::chrono::milliseconds(50));    BOOST_TEST(!t0.joinable());  }  {    boost::thread t0( (th_100_ms));    BOOST_TEST(!t0.try_join_until(boost::chrono::steady_clock::now()+boost::chrono::milliseconds(50)));    t0.join();  }  {    boost::unique_lock<boost::mutex> lk(resource_deadlock_would_occur_mtx);    boost::thread t0( resource_deadlock_would_occur_tester );    resource_deadlock_would_occur_th = &t0;    BOOST_TEST(t0.joinable());    lk.unlock();    boost::this_thread::sleep_for(boost::chrono::milliseconds(100));    boost::unique_lock<boost::mutex> lk2(resource_deadlock_would_occur_mtx);    t0.join();    BOOST_TEST(!t0.joinable());  }  {    boost::thread t0( (G()));    t0.detach();    try    {      t0.try_join_until(boost::chrono::steady_clock::now()+boost::chrono::milliseconds(50));      BOOST_TEST(false);    }    catch (boost::system::system_error& e)    {      BOOST_TEST(e.code().value() == boost::system::errc::invalid_argument);    }  }  {    boost::thread t0( (G()));    BOOST_TEST(t0.joinable());    t0.join();    try    {      t0.try_join_until(boost::chrono::steady_clock::now()+boost::chrono::milliseconds(50));      BOOST_TEST(false);    }    catch (boost::system::system_error& e)    {      BOOST_TEST(e.code().value() == boost::system::errc::invalid_argument);    }  }  {    boost::thread t0( (G()));    BOOST_TEST(t0.joinable());    t0.try_join_until(boost::chrono::steady_clock::now()+boost::chrono::milliseconds(50));    try    {      t0.join();      BOOST_TEST(false);    }    catch (boost::system::system_error& e)    {      BOOST_TEST(e.code().value() == boost::system::errc::invalid_argument);    }  }  return boost::report_errors();}

inline voidinternal::ApplyPackedReflectorsLLVF( Conjugation conjugation, int offset,   const DistMatrix<Complex<R>,MC,MR  >& H,  const DistMatrix<Complex<R>,MD,STAR>& t,        DistMatrix<Complex<R>,MC,MR  >& A ){#ifndef RELEASE    PushCallStack("internal::ApplyPackedReflectorsLLVF");    if( H.Grid() != t.Grid() || t.Grid() != A.Grid() )        throw std::logic_error        ("{H,t,A} must be distributed over the same grid");    if( offset > 0 )        throw std::logic_error("Transforms cannot extend above matrix");    if( offset < -H.Height() )        throw std::logic_error("Transforms cannot extend below matrix");    if( H.Height() != A.Height() )        throw std::logic_error        ("Height of transforms must equal height of target matrix");    if( t.Height() != H.DiagonalLength( offset ) )        throw std::logic_error("t must be the same length as H's offset diag.");    if( !t.AlignedWithDiagonal( H, offset ) )        throw std::logic_error("t must be aligned with H's 'offset' diagonal");#endif    typedef Complex<R> C;    const Grid& g = H.Grid();    // Matrix views        DistMatrix<C,MC,MR>        HTL(g), HTR(g),  H00(g), H01(g), H02(g),  HPan(g), HPanCopy(g),        HBL(g), HBR(g),  H10(g), H11(g), H12(g),                         H20(g), H21(g), H22(g);    DistMatrix<C,MC,MR>        AT(g),  A0(g),        AB(g),  A1(g),                A2(g);    DistMatrix<C,MD,STAR>        tT(g),  t0(g),        tB(g),  t1(g),                t2(g);    DistMatrix<C,VC,  STAR> HPan_VC_STAR(g);    DistMatrix<C,MC,  STAR> HPan_MC_STAR(g);    DistMatrix<C,STAR,STAR> t1_STAR_STAR(g);    DistMatrix<C,STAR,STAR> SInv_STAR_STAR(g);    DistMatrix<C,STAR,MR  > Z_STAR_MR(g);    DistMatrix<C,STAR,VR  > Z_STAR_VR(g);    LockedPartitionDownDiagonal    ( H, HTL, HTR,         HBL, HBR, 0 );    LockedPartitionDown    ( t, tT,         tB, 0 );    PartitionDown    ( A, AT,         AB, 0 );    while( HTL.Height() < H.Height() && HTL.Width() < H.Width() )    {        LockedRepartitionDownDiagonal        ( HTL, /**/ HTR,  H00, /**/ H01, H02,         /*************/ /******************/               /**/       H10, /**/ H11, H12,          HBL, /**/ HBR,  H20, /**/ H21, H22 );        int HPanHeight = H11.Height() + H21.Height();        int HPanWidth = std::min( H11.Width(), std::max(HPanHeight+offset,0) );        HPan.LockedView( H, H00.Height(), H00.Width(), HPanHeight, HPanWidth );        LockedRepartitionDown        ( tT,  t0,         /**/ /**/               t1,          tB,  t2, HPanWidth );        RepartitionDown        ( AT,  A0,         /**/ /**/               A1,          AB,  A2 );        HPan_MC_STAR.AlignWith( AB );        Z_STAR_MR.AlignWith( AB );        Z_STAR_VR.AlignWith( AB );        Z_STAR_MR.ResizeTo( HPan.Width(), AB.Width() );        SInv_STAR_STAR.ResizeTo( HPan.Width(), HPan.Width() );        Zero( SInv_STAR_STAR );        //--------------------------------------------------------------------//        HPanCopy = HPan;        MakeTrapezoidal( LEFT, LOWER, offset, HPanCopy );        SetDiagonalToOne( LEFT, offset, HPanCopy );        HPan_VC_STAR = HPanCopy;        Herk        ( UPPER, ADJOINT,           (C)1, HPan_VC_STAR.LockedLocalMatrix(),          (C)0, SInv_STAR_STAR.LocalMatrix() );             SInv_STAR_STAR.SumOverGrid();        t1_STAR_STAR = t1;        FixDiagonal( conjugation, t1_STAR_STAR, SInv_STAR_STAR );//.........这里部分代码省略.........

int main(int argc, char * const argv[]){        int opt_index, c;        static struct option long_opts[] = {                {"target", 1, 0, 0},                {"dumpfile", 1, 0, 0},                {0, 0, 0, 0}        };        if (argc < 4)                usage(argv[0]);        while ((c = getopt_long(argc, argv, "s:b:f:", long_opts, &opt_index)) != -1) {                switch (c) {                case 0: {                        if (!optarg[0])                                usage(argv[0]);                        if (!strcmp(long_opts[opt_index].name, "target")) {                                setenv(ENV_LUSTRE_MNTTGT, optarg, 1);                        } else if (!strcmp(long_opts[opt_index].name, "dumpfile")) {                                setenv(ENV_LUSTRE_DUMPFILE, optarg, 1);                        } else                                usage(argv[0]);                        break;                }                case 's':                        strcpy(mds_server, optarg);                        break;                case 'b':                        strcpy(barrier_script, optarg);                        break;                case 'f':                        strcpy(failover_script, optarg);                        break;                default:                        usage(argv[0]);                }        }        if (optind != argc)                usage(argv[0]);        if (!strlen(mds_server) || !strlen(barrier_script) ||            !strlen(failover_script))                usage(argv[0]);        test_ssh();        /* prepare remote command */        sprintf(barrier_cmd, "ssh %s /"%s/"", mds_server, barrier_script);        sprintf(failover_cmd, "ssh %s /"%s/"", mds_server, failover_script);        setenv(ENV_LUSTRE_TIMEOUT, "5", 1);        __liblustre_setup_();        t0();        t1();        t2();        t3();        t4();	printf("liblustre is about shutdown/n");        __liblustre_cleanup_();	printf("complete successfully/n");	return 0;}

//Define vertices and trianglesvoid CTitanic::init(float aScale)	{	this->clearMesh();	TVector3 v0(-4,2,2);	this->iVertices.push_back(v0*aScale);	TVector3 v1(-3,1,0);	this->iVertices.push_back(v1*aScale);	TVector3 v2(-3,-1,0);	this->iVertices.push_back(v2*aScale);	TVector3 v3(-4,-2,2);	this->iVertices.push_back(v3*aScale);	TVector3 v4(3,2,2);	this->iVertices.push_back(v4*aScale);	TVector3 v5(3,1,0);	this->iVertices.push_back(v5*aScale);	TVector3 v6(3,-1,0);	this->iVertices.push_back(v6*aScale);	TVector3 v7(3,-2,2);	this->iVertices.push_back(v7*aScale);	TVector3 v8(5,0,2);	this->iVertices.push_back(v8*aScale);/*	TTriangle t0(0,2,1);	this->iTriangles.push_back(t0);	TTriangle t1(0,3,2);	this->iTriangles.push_back(t1);	TTriangle t2(0,1,4);	this->iTriangles.push_back(t2);	TTriangle t3(1,5,4);	this->iTriangles.push_back(t3);	TTriangle t4(1,6,5);	this->iTriangles.push_back(t4);	TTriangle t5(1,2,6);	this->iTriangles.push_back(t5);	TTriangle t6(2,3,6);	this->iTriangles.push_back(t6);	TTriangle t7(3,7,6);	this->iTriangles.push_back(t7);	TTriangle t8(4,5,8);	this->iTriangles.push_back(t8);	TTriangle t9(5,6,8);	this->iTriangles.push_back(t9);	TTriangle t10(6,7,8);	this->iTriangles.push_back(t10);	TTriangle t11(0,4,3);	this->iTriangles.push_back(t11);	TTriangle t12(3,4,7);	this->iTriangles.push_back(t12);	TTriangle t13(4,8,7);	this->iTriangles.push_back(t13);*/	TTriangle t0(0,1,2);	this->iTriangles.push_back(t0);	TTriangle t1(0,2,3);	this->iTriangles.push_back(t1);	TTriangle t2(0,4,1);	this->iTriangles.push_back(t2);	TTriangle t3(1,4,5);//.........这里部分代码省略.........