anonymous_namespace{InterferenceFunctionHardDisk.cpp} Namespace Reference

Functions
double	Czero (double packing)
double	S2 (double packing)
double	W2 (double x)

Variables
const double	p = 7.0 / 3.0 - 4.0 * std::sqrt(3.0) / M_PI

Function Documentation

Czero()

double anonymous_namespace{InterferenceFunctionHardDisk.cpp}::Czero

(

double

packing

)

Definition at line 91 of file InterferenceFunctionHardDisk.cpp.

{
    double numerator = 1.0 + packing + 3.0 * p * packing * packing - p * std::pow(packing, 3);
    double denominator = std::pow(1.0 - packing, 3);
    return -numerator / denominator;
}

References p.

Referenced by InterferenceFunctionHardDisk::iff_without_dw().

S2()

double anonymous_namespace{InterferenceFunctionHardDisk.cpp}::S2

(

double

packing

)

Definition at line 98 of file InterferenceFunctionHardDisk.cpp.

{
    double factor = 3.0 * packing * packing / 8.0;
    double numerator = 8.0 * (1.0 - 2.0 * p) + (25.0 - 9.0 * p) * p * packing
                       - (7.0 - 3.0 * p) * p * packing * packing;
    double denominator = 1.0 + packing + 3.0 * p * packing * packing - p * std::pow(packing, 3);
    return factor * numerator / denominator;
}

References p.

Referenced by InterferenceFunctionHardDisk::iff_without_dw().

W2()

double anonymous_namespace{InterferenceFunctionHardDisk.cpp}::W2

(

double

x

)

Definition at line 107 of file InterferenceFunctionHardDisk.cpp.

{
    return 2.0 * (std::acos(x) - x * std::sqrt(1.0 - x * x)) / M_PI;
}

References M_PI.

Referenced by InterferenceFunctionHardDisk::integrand().

Variable Documentation

p

const double anonymous_namespace{InterferenceFunctionHardDisk.cpp}::p = 7.0 / 3.0 - 4.0 * std::sqrt(3.0) / M_PI

Definition at line 23 of file InterferenceFunctionHardDisk.cpp.

Referenced by RotatedSquareLatticeBuilder::buildSample(), Line::contains(), Czero(), Instrument::detector2D(), SpectrumUtils::FindPeaks(), RealIntegrator::m_Cfunction(), and S2().