Exemple #1
0
BOOST_UBLAS_INLINE
::std::complex<T> round(::std::complex<T> x)
{
	T r = (x.real() > 0.0) ? ::std::floor(x.real() + 0.5) : ::std::ceil(x.real() - 0.5);
	T i = (x.imag() > 0.0) ? ::std::floor(x.imag() + 0.5) : ::std::ceil(x.imag() - 0.5);

	return ::std::complex<T>(r,i);
}
/***********************************************************************
 * Number format overloads
 **********************************************************************/
static QString toStr(const std::complex<qreal> num, const int)
{
    if (num.real() == 0.0 and num.imag() == 0.0) return "0";
    if (num.real() == 0.0) return QString::number(num.imag())+"j";
    if (num.imag() == 0.0) return QString::number(num.real());
    if (num.imag() < 0.0) return QString("%1%2j").arg(num.real()).arg(num.imag());
    return QString("%1+%2j").arg(num.real()).arg(num.imag());
}
TEST_F(FourierIntegralTest, Test)
{
	FourierIntegral fi(2, 0, 1, 100);
	const std::complex<double> actual = fi.integrate(function);
	const std::complex<double> expected = (std::exp(std::complex<double>(0, 1)) - std::complex<double>(1,0)) / std::complex<double>(0,1);
	ASSERT_NEAR(expected.real(), actual.real(), 1E-8) << "real";
	ASSERT_NEAR(expected.imag(), actual.imag(), 1E-7) << "imag";
}
Exemple #4
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inline bool AbsGeq(
	const std::complex<double> &x,
	const std::complex<double> &y)
{	double xsq = x.real() * x.real() + x.imag() * x.imag();
	double ysq = y.real() * y.real() + y.imag() * y.imag();

	return xsq >= ysq;
}
Exemple #5
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inline bool AbsGeq(
	const std::complex<float> &x,
	const std::complex<float> &y)
{	float xsq = x.real() * x.real() + x.imag() * x.imag();
	float ysq = y.real() * y.real() + y.imag() * y.imag();

	return xsq >= ysq;
}
Exemple #6
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/***********************************************************************//**
 * @brief Test a complex value
 *
 * @param[in] value Complex value to test.
 * @param[in] expected Expected complex value.
 * @param[in] eps Precision of the test.
 * @param[in] name Test case name.
 * @param[in] message Test case message.
 *
 * Test if the value is comprised in the interval
 * [expected-eps, expected+eps].
 ***************************************************************************/
void GTestSuite::test_value(const std::complex<double>& value,
                            const std::complex<double>& expected,
                            const double&               eps,
                            const std::string&          name,
                            const std::string&          message)
{
    // Set test case name. If no name is specify then build the name from
    // the actual test parameters.
    std::string formated_name;
    if (name != "") {
        formated_name = format_name(name);
    }
    else {
        formated_name = format_name("Test if "+gammalib::str(value)+
                                    " is comprised within "+
                                    gammalib::str(expected)+" +/- "+
                                    gammalib::str(eps));
    }

    // Create a test case of failure type
    GTestCase* testcase = new GTestCase(GTestCase::FAIL_TEST, formated_name);

    // If value is not between in interval [expected-eps, expected+eps]
    // then signal test as failed and increment the number of failures
    if ((value.real() > expected.real() + eps) ||
        (value.real() < expected.real() - eps) ||
        (value.imag() > expected.imag() + eps) ||
        (value.imag() < expected.imag() - eps)) {
        testcase->has_passed(false);
        m_failures++;
    }

    // If no message is specified then build message from test result
    std::string formated_message;
    if (message != "") {
        formated_message = message;
    }
    else {
        formated_message = "Value "+gammalib::str(value)+" not within "+
                           gammalib::str(expected)+" +/- "+gammalib::str(eps)+
                           " (value-expected = "+gammalib::str(value-expected)+
                           ").";
    }

    // Set message
    testcase->message(formated_message);

    // Log the result (".","F" or, "E")
    std::cout << testcase->print();

    // Add test case to test suite
    m_tests.push_back(testcase);

    // Return
    return;
}
bool operator<=(const std::complex<ValueType> &lhs, const std::complex<ValueType> &rhs) {

  if (&lhs == &rhs)
    return true;

  assert(lhs.imag() == rhs.imag() && lhs.imag() == ValueType(0.0));

  return lhs.real() <= rhs.real();

}
double TwoDimensionalPlotPage::getValue(const std::complex<long double> val)
{
	switch(Phase)
	{
		case AmplitudePhaseType: return sqrt(val.real()*val.real() + val.imag()*val.imag());
		case PhasePhaseType: return atan2(val.imag(), val.real());
		case RealPhaseType: return val.real();
		case ImaginaryPhaseType: return val.imag();
	}
}
Exemple #9
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	symbol_t operator()(const std::complex<int16_t> in) {
		const uint32_t real2 = in.real() * in.real();
		const uint32_t imag2 = in.imag() * in.imag();
		const uint32_t mag2 = real2 + imag2;

		const uint32_t mag2_attenuated = mag2 >> 3;	// Approximation of (-4.5dB)^2
		mag2_threshold = (uint64_t(mag2_threshold) * uint64_t(mag2_threshold_leak_factor)) >> 32;
		mag2_threshold = std::max(mag2_threshold, mag2_attenuated);
		const bool symbol = (mag2 > mag2_threshold);
		return symbol;
	}
/***********************************************************************
 * Convert xx to items32 sc8 buffer
 **********************************************************************/
template <typename T> UHD_INLINE item32_t xx_to_item32_sc8_x1(
    const std::complex<T> &in0, const std::complex<T> &in1, const double scale_factor
){
    boost::uint8_t real0 = boost::int8_t(in0.real()*float(scale_factor));
    boost::uint8_t imag0 = boost::int8_t(in0.imag()*float(scale_factor));
    boost::uint8_t real1 = boost::int8_t(in1.real()*float(scale_factor));
    boost::uint8_t imag1 = boost::int8_t(in1.imag()*float(scale_factor));
    return
        (item32_t(real0) << 8) | (item32_t(imag0) << 0) |
        (item32_t(real1) << 24) | (item32_t(imag1) << 16)
    ;
}
Exemple #11
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arma_hot
inline
typename T1::elem_type
op_cdot::apply_proxy(const T1& X, const T2& Y)
  {
  arma_extra_debug_sigprint();
  
  typedef typename T1::elem_type            eT;
  typedef typename get_pod_type<eT>::result  T;
  
  typedef typename Proxy<T1>::ea_type ea_type1;
  typedef typename Proxy<T2>::ea_type ea_type2;
  
  const bool prefer_at_accessor = (Proxy<T1>::prefer_at_accessor) || (Proxy<T2>::prefer_at_accessor);
  
  if(prefer_at_accessor == false)
    {
    const Proxy<T1> PA(X);
    const Proxy<T2> PB(Y);
    
    const uword N = PA.get_n_elem();
    
    arma_debug_check( (N != PB.get_n_elem()), "cdot(): objects must have the same number of elements" );
    
    ea_type1 A = PA.get_ea();
    ea_type2 B = PB.get_ea();
    
    T val_real = T(0);
    T val_imag = T(0);
    
    for(uword i=0; i<N; ++i)
      {
      const std::complex<T> AA = A[i];
      const std::complex<T> BB = B[i];
      
      const T a = AA.real();
      const T b = AA.imag();
      
      const T c = BB.real();
      const T d = BB.imag();
      
      val_real += (a*c) + (b*d);
      val_imag += (a*d) - (b*c);
      }
    
    return std::complex<T>(val_real, val_imag);
    }
  else
    {
    return op_cdot::apply_unwrap( X, Y );
    }
  }
Exemple #12
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void Biquad::setZeroPolePairs(std::complex<double> zero, std::complex<double> pole)
{
    double b0 = 1;
    double b1 = -2 * zero.real();

    double zeroMag = abs(zero);
    double b2 = zeroMag * zeroMag;

    double a1 = -2 * pole.real();

    double poleMag = abs(pole);
    double a2 = poleMag * poleMag;
    setNormalizedCoefficients(b0, b1, b2, 1, a1, a2);
}
Exemple #13
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// ###### Configure algorithm ###############################################
void FractalAlgorithmInterface::configure(unsigned int         width,
                                          unsigned int         height,
                                          std::complex<double> c1,
                                          std::complex<double> c2,
                                          unsigned int         maxIterations)
{
   Width         = width;
   Height        = height;
   MaxIterations = maxIterations;
   C1            = c1;
   C2            = c2;
   StepX         = (c2.real() - c1.real()) / Width;
   StepY         = (c2.imag() - c1.imag()) / Height;
}
Exemple #14
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  void Analytic_Mt2_2220_Calculator::insertIfOK(const std::complex<double> & c,
						std::vector<double> & goodSinValues) {
    bool isOk = false;

    if (c.imag()==0 || fabs(c.imag())<1.0E-10) {
      isOk = true;
    } else if (c.real() != 0 && fabs(c.imag()/c.real())<1.E-6) {
      isOk = true;
    }

    if (isOk) {
      goodSinValues.push_back(c.real());
    }
     
  }
 // No special checks for safe Convert
 static std::complex<float>  safeConvert( const std::complex<double> t )
   {
     float ret_r = Teuchos::as<float>( t.real() );
     float ret_i = Teuchos::as<float>( t.imag() );
     std::complex<float> ret (ret_r,  ret_i);
     return (ret);
   }
T abs2(std::complex<T> val)
{
	T re = val.real();
	T im = val.imag();

	return (re*re)+(im*im);
}
Exemple #17
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inline clapack::doublecomplex std_to_lapack(
		const std::complex<clapack::doublereal>& v)
{
	clapack::doublecomplex r;
	r.r = v.real(); r.i = v.imag();
	return r;
}
Exemple #18
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void actionQueryBaselines(const std::string &kindName, const std::string &filename)
{
	MeasurementSet *ms = new MeasurementSet(filename);
	const unsigned polarizationCount = ms->PolarizationCount();
	delete ms;
	
	const QualityTablesFormatter::StatisticKind kind = QualityTablesFormatter::NameToKind(kindName);
	
	QualityTablesFormatter formatter(filename);
	StatisticsCollection collection(polarizationCount);
	collection.Load(formatter);
	const std::vector<std::pair<unsigned, unsigned> > &baselines = collection.BaselineStatistics().BaselineList();
	StatisticsDerivator derivator(collection);

	std::cout << "ANTENNA1\tANTENNA2";
	for(unsigned p=0;p<polarizationCount;++p)
		std::cout << '\t' << kindName << "_POL" << p << "_R\t" << kindName << "_POL" << p << "_I" ;
	std::cout << '\n';
	for(std::vector<std::pair<unsigned, unsigned> >::const_iterator i=baselines.begin();i!=baselines.end();++i)
	{
		const unsigned antenna1 = i->first, antenna2 = i->second;
		std::cout << antenna1 << '\t' << antenna2;
		for(unsigned p=0;p<polarizationCount;++p)
		{
			const std::complex<long double> val = derivator.GetComplexBaselineStatistic(kind, antenna1, antenna2, p);
			std::cout << '\t' << val.real() << '\t' << val.imag();
		}
		std::cout << '\n';
	}
}
inline
static
std::complex<T>
trunc_exp(const std::complex<T>& x)
  {
  return std::polar( trunc_exp( x.real() ), x.imag() );
  }
Exemple #20
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 void serialize(input_archive& ar, std::complex<T>& c, unsigned)
 {
     T real, imag;
     ar >> real >> imag;
     c.real(real);
     c.imag(imag);
 }
Exemple #21
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 static void put(index_type i, vector_type* input, std::complex<float> value)
 {
   vsip_cscalar_f cval;
   cval.r = value.real();
   cval.i = value.imag();
   vsip_cvput_f(input, i, cval);
 }
Exemple #22
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 static void get(index_type i, vector_type* output, std::complex<float>& value)
 {
   vsip_cscalar_f cval;
   cval = vsip_cvget_f(output, i);
   value.real() = cval.r;
   value.imag() = cval.i;
 }
/***********************************************************************
 * Convert xx to items32 sc16 buffer
 **********************************************************************/
template <typename T> UHD_INLINE item32_t xx_to_item32_sc16_x1(
    const std::complex<T> &num, const double scale_factor
){
    boost::uint16_t real = boost::int16_t(num.real()*float(scale_factor));
    boost::uint16_t imag = boost::int16_t(num.imag()*float(scale_factor));
    return (item32_t(real) << 16) | (item32_t(imag) << 0);
}
Exemple #24
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Schuss::Schuss(Engine* mengine, double angle, std::complex<double> position, double speed, ObjectType type)
:Object(mengine, type, position.real(), position.imag(),
speed*cos((angle+90)/180*M_PI),speed*sin((angle-90)/180*M_PI)), Type(type), Weight(1), Age(0)
{
    //std::cout << "Schuss::Schuss();" << std::endl;
    Angle = angle;
}
Exemple #25
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void actionQueryTime(const std::string &kindName, const std::string &filename)
{
	const unsigned polarizationCount = MeasurementSet::PolarizationCount(filename);
	const QualityTablesFormatter::StatisticKind kind = QualityTablesFormatter::NameToKind(kindName);
	
	QualityTablesFormatter formatter(filename);
	StatisticsCollection collection(polarizationCount);
	collection.Load(formatter);
	const std::map<double, DefaultStatistics> &timeStats = collection.TimeStatistics();
	StatisticsDerivator derivator(collection);

	std::cout << "TIME";
	for(unsigned p=0;p<polarizationCount;++p)
		std::cout << '\t' << kindName << "_POL" << p << "_R\t" << kindName << "_POL" << p << "_I" ;
	std::cout << '\n';
	for(std::map<double, DefaultStatistics>::const_iterator i=timeStats.begin();i!=timeStats.end();++i)
	{
		const double time = i->first;
		std::cout << time;
		for(unsigned p=0;p<polarizationCount;++p)
		{
			const std::complex<long double> val = derivator.GetComplexStatistic(kind, i->second, p);
			std::cout << '\t' << val.real() << '\t' << val.imag();
		}
		std::cout << '\n';
	}
}
Exemple #26
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size_t EMData::add_complex_at(int x,int y,int z,const int &subx0,const int &suby0,const int &subz0,const int &fullnx,const int &fullny,const int &fullnz,const std::complex<float> &val) {
if (abs(x)>=fullnx/2 || abs(y)>fullny/2 || abs(z)>fullnz/2) return nxyz;
//if (x==0 && (y!=0 || z!=0)) add_complex_at(0,-y,-z,subx0,suby0,subz0,fullnx,fullny,fullnz,conj(val));
// complex conjugate insertion. Removed due to ambiguity with returned index
/*if (x==0&& (y!=0 || z!=0)) {
	int yy=y<=0?-y:fullny-y;
	int zz=z<=0?-z:fullnz-z;

	if (yy<suby0||zz<subz0||yy>=suby0+ny||zz>=subz0+nz) return nx*ny*nz;

	size_t idx=(yy-suby0)*nx+(zz-subz0)*nx*ny;
	rdata[idx]+=(float)val.real();
	rdata[idx+1]+=(float)-val.imag();
}*/
float cc=1.0;
if (x<0) {
	x*=-1;
	y*=-1;
	z*=-1;
	cc=-1.0;
}
if (y<0) y=fullny+y;
if (z<0) z=fullnz+z;

if (x<subx0||y<suby0||z<subz0||x>=subx0+nx||y>=suby0+ny||z>=subz0+nz) return nxyz;

size_t idx=(x-subx0)*2+(y-suby0)*(size_t)nx+(z-subz0)*(size_t)nx*ny;
rdata[idx]+=(float)val.real();
rdata[idx+1]+=cc*(float)val.imag();
return idx;
}
Exemple #27
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// randomize complex numbers
template <class T, class RNG> void randomize(std::complex<T> &v, RNG &rng) {
  T real, imag;
  randomize(real, rng);
  randomize(imag, rng);
  v.real(real);
  v.imag(imag);
}
Exemple #28
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 std::complex<double> cerf_continued_fraction(const std::complex<double>& z)
 {
   if (z.real() > 0)
     return 1.0 - cerfc_continued_fraction(z);
   else
     return -1.0 + cerfc_continued_fraction(-z);
 }
int main()
{
    const std::complex<float> cd(2.5, 3.5);
    std::complex<long double> cf = cd;
    assert(cf.real() == cd.real());
    assert(cf.imag() == cd.imag());
}
// Reconstruction d'un contour à partir de ses descripteurs de Fourier
std::vector<std::vector<cv::Point>> reconstruction ( std::vector<std::complex<double>> coeff, int N, int c_max, std::complex<double> z_moy, double scale) {
  int c_min = -c_max;
  std::vector<std::complex<double>> TC (N, 0);

  int debut = coeff.size() + c_min - 1;

  for (unsigned int i = debut; i < coeff.size(); ++i) {
    TC[i - debut] = (double) N * coeff[i];
  }

  for (int i = 0; i < c_max; ++i) {
    TC[N + c_min + i] = (double) N * coeff[i];
  }

  std::vector<std::complex<double>> z_fil;
  cv::dft(TC, z_fil, cv::DFT_INVERSE + cv::DFT_SCALE);

  z_fil.push_back(z_fil[0]);
  std::vector<cv::Point> z_fill;

  for (auto& i : z_fil) {
    cv::Point pt(scale * i.real() + z_moy.real(), scale * i.imag() + z_moy.imag());
    z_fill.push_back(pt);
  }

  std::vector<std::vector<cv::Point>> contour;
  contour.push_back(z_fill);

  return contour;
}