GVector.cpp File Reference

Vector class implementation. More...

#include "GVector.hpp"
#include "GTools.hpp"

Go to the source code of this file.

Macros
#define	G_CONSTRUCTOR   "GVector::GVector(int&)"
#define	G_OP_ADD   "GVector::operator+=(GVector&)"
#define	G_OP_SUB   "GVector::operator-=(GVector&)"
#define	G_AT   "GVector::at(int&)"
#define	G_CROSS   "cross(GVector&, GVector&)"
#define	G_SCALAR   "operator*(GVector&, GVector&)"
#define	G_ANGLE   "angle(GVector&, GVector&)"

Functions
GVector	cross (const GVector &a, const GVector &b)
	Vector cross product.
double	operator* (const GVector &a, const GVector &b)
	Vector scalar product.
double	norm (const GVector &vector)
	Computes vector norm.
double	min (const GVector &vector)
	Computes minimum vector element.
double	max (const GVector &vector)
	Computes maximum vector element.
double	sum (const GVector &vector)
	Computes vector sum.
double	angle (const GVector &a, const GVector &b)
	Computes angle between vectors.
GVector	perm (const GVector &vector, const int *p)
	Computes vector permutation.
GVector	iperm (const GVector &vector, const int *p)
	Computes vector inverse permutation.
GVector	acos (const GVector &vector)
	Computes arccos of vector elements.
GVector	acosh (const GVector &vector)
	Computes acosh of vector elements.
GVector	asin (const GVector &vector)
	Computes arcsin of vector elements.
GVector	asinh (const GVector &vector)
	Computes asinh of vector elements.
GVector	atan (const GVector &vector)
	Computes arctan of vector elements.
GVector	atanh (const GVector &vector)
	Computes atanh of vector elements.
GVector	cos (const GVector &vector)
	Computes cosine of vector elements.
GVector	cosh (const GVector &vector)
	Computes cosh of vector elements.
GVector	exp (const GVector &vector)
	Computes exponential of vector elements.
GVector	abs (const GVector &vector)
	Computes absolute of vector elements.
GVector	log (const GVector &vector)
	Computes natural logarithm of vector elements.
GVector	log10 (const GVector &vector)
	Computes base10 logarithm of vector elements.
GVector	sin (const GVector &vector)
	Computes sine of vector elements.
GVector	sinh (const GVector &vector)
	Computes sinh of vector elements.
GVector	sqrt (const GVector &vector)
	Computes square root of vector elements.
GVector	tan (const GVector &vector)
	Computes tangens of vector elements.
GVector	tanh (const GVector &vector)
	Computes tanh of vector elements.
GVector	pow (const GVector &vector, const double &power)
	Computes tanh of vector elements.

Detailed Description

Vector class implementation.

Author

Juergen Knoedlseder

Definition in file GVector.cpp.

Macro Definition Documentation

G_ANGLE

#define G_ANGLE   "angle(GVector&, GVector&)"

Definition at line 42 of file GVector.cpp.

G_AT

#define G_AT   "GVector::at(int&)"

Definition at line 39 of file GVector.cpp.

G_CONSTRUCTOR

#define G_CONSTRUCTOR   "GVector::GVector(int&)"

Definition at line 36 of file GVector.cpp.

G_CROSS

#define G_CROSS   "cross(GVector&, GVector&)"

Definition at line 40 of file GVector.cpp.

G_OP_ADD

#define G_OP_ADD   "GVector::operator+=(GVector&)"

Definition at line 37 of file GVector.cpp.

G_OP_SUB

#define G_OP_SUB   "GVector::operator-=(GVector&)"

Definition at line 38 of file GVector.cpp.

G_SCALAR

#define G_SCALAR   "operator*(GVector&, GVector&)"

Definition at line 41 of file GVector.cpp.

Function Documentation

abs()

GVector abs

(

const GVector &

vector

)

Computes absolute of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the absolute of every element.

Definition at line 1253 of file GVector.cpp.

Referenced by GIntegrals::romberg().

acos()

GVector acos

(

const GVector &

vector

)

Computes arccos of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the arccos of every element.

Definition at line 1064 of file GVector.cpp.

acosh()

GVector acosh

(

const GVector &

vector

)

Computes acosh of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the acosh of every element.

Definition at line 1085 of file GVector.cpp.

angle()

double angle	(	const GVector &	a,
		const GVector &	b )

Computes angle between vectors.

Parameters

[in]	a	Vector.
[in]	b	Vector.

Returns

Angle between vector a and b in radians.

Exceptions

GException::invalid_argument

Mismatch between vector size.

Returns the angle \(\alpha\) between vector a and b in radians. The computation is done using

\[ \alpha = \arccos{\frac{\vec{a} \cdot \vec{b}}{|\vec{a}||\vec{b}|}} \]

Definition at line 974 of file GVector.cpp.

Referenced by gammalib::cosd(), GMatrix::eulerx(), GMatrix::eulery(), GMatrix::eulerz(), GModelSpatialRadialProfileDMBurkert::jfactor(), GModelSpatialRadialProfileDMEinasto::jfactor(), GModelSpatialRadialProfileDMZhao::jfactor(), GHealpix::max_pixrad(), gammalib::sincosd(), gammalib::sind(), and gammalib::tand().

asin()

GVector asin

(

const GVector &

vector

)

Computes arcsin of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the arcsin of every element.

Definition at line 1106 of file GVector.cpp.

asinh()

GVector asinh

(

const GVector &

vector

)

Computes asinh of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the asinh of every element.

Definition at line 1127 of file GVector.cpp.

atan()

GVector atan

(

const GVector &

vector

)

Computes arctan of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the arctan of every element.

Definition at line 1148 of file GVector.cpp.

atanh()

GVector atanh

(

const GVector &

vector

)

Computes atanh of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the atanh of every element.

Definition at line 1169 of file GVector.cpp.

cos()

GVector cos

(

const GVector &

vector

)

Computes cosine of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the cosine of every element.

Definition at line 1190 of file GVector.cpp.

Referenced by GSkyDir::cos_dist(), and GHealpix::dir2pix().

cosh()

GVector cosh

(

const GVector &

vector

)

Computes cosh of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the cosh of every element.

Definition at line 1211 of file GVector.cpp.

cross()

GVector cross	(	const GVector &	a,
		const GVector &	b )

Vector cross product.

Parameters

[in]	a	Vector.
[in]	b	Vector.

Returns

Vector cross product.

Exceptions

GException::invalid_argument

Mismatch between vector size or vector not of size 3.

Computes the cross product between two 3-element vectors (note that the cross product is only defined for 3-element vectors).

Definition at line 793 of file GVector.cpp.

Referenced by GHealpix::max_pixrad(), and GWcs::solidangle().

exp()

GVector exp

(

const GVector &

vector

)

Computes exponential of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the exponential of every element.

Definition at line 1232 of file GVector.cpp.

Referenced by GModelSpectralExponential::flux_kern::eval(), GCTABackgroundPerfTable::mc(), GCTAModelRadialGauss::mc(), GCTAAeffArf::operator()(), and GLATMeanPsf::set_offsets().

iperm()

GVector iperm	(	const GVector &	vector,
		const int *	p )

Computes vector inverse permutation.

Parameters

[in]	vector	Vector.
[in]	p	Permutation array.

Returns

Inversely permuted vector.

Definition at line 1038 of file GVector.cpp.

Referenced by GMatrixSparse::cholesky_solver().

log()

GVector log

(

const GVector &

vector

)

Computes natural logarithm of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the natural logarithm of every element.

Definition at line 1274 of file GVector.cpp.

Referenced by GLog::copy_members(), GCTACubeBackground::fill(), GCTACubeEdisp::fill(), GCTACubeExposure::fill(), GCTACubePsf::fill(), GCTACubeEdisp::fill_cube(), GCTACubeExposure::fill_cube(), GCTACubePsf::fill_cube(), GLog::GLog(), GOptimizerLM::GOptimizerLM(), GOptimizerLM::logger(), GLog::operator<<(), operator<<(), operator<<(), GLog::operator=(), and GLATMeanPsf::set_offsets().

log10()

GVector log10

(

const GVector &

vector

)

Computes base10 logarithm of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the base10 logarithm of every element.

Definition at line 1295 of file GVector.cpp.

Referenced by GCTAPsfVector::read(), GLATResponseTable::read(), and GLATEventCube::set_energies().

max()

double max

(

const GVector &

vector

)

Computes maximum vector element.

Parameters

[in]

vector

Vector.

Returns

Maximum vector element.

Definition at line 915 of file GVector.cpp.

Referenced by cta_irf_elliptical_kern_rho::eval(), cta_nroi_elliptical_kern_rho::eval(), cta_psf_elliptical_kern_rho::eval(), GEbounds::extend(), GEbounds::insert_eng(), gammalib::limit_omega(), GModelSpectralTable::load_par(), GCOMInstChars::max_coeff(), GModelSpatialDiffuseCube::mc(), GModelSpectralTable::print(), GRmf::read(), and GModelSpatialComposite::write().

min()

double min

(

const GVector &

vector

)

Computes minimum vector element.

Parameters

[in]

vector

Vector.

Returns

Minimum vector element.

Definition at line 886 of file GVector.cpp.

Referenced by cta_irf_elliptical_kern_rho::eval(), cta_nroi_elliptical_kern_rho::eval(), cta_psf_elliptical_kern_rho::eval(), GEbounds::extend(), GEbounds::insert_eng(), gammalib::limit_omega(), GModelSpectralTable::load_par(), GCOMInstChars::min_coeff(), GModelSpectralTable::print(), and GModelSpatialComposite::write().

norm()

double norm

(

const GVector &

vector

)

Computes vector norm.

Parameters

[in]

vector

Vector.

Returns

Vector norm.

Definition at line 864 of file GVector.cpp.

Referenced by GFft::backward(), GModelSpatialRadialProfile::cache_index(), GCOMObservation::compute_drb_bgdlixa(), GCOMObservation::compute_drb_bgdlixe(), GCOMObservation::compute_drb_phinor(), GCOMDri::compute_drg(), GSkyMap::convolution_kernel(), GModelSpectralPlawPhotonFlux::eflux(), cta_psf_radial_kerns_phi::eval(), GCTAModelIrfBackground::eval(), GModelSpatialDiffuseConst::eval(), GCTACubeEdisp::fill(), GCTACubePsf::fill(), GModelSpatialDiffuseConst::flux(), GModelSpectralPlawEnergyFlux::flux(), gammalib::gauss_integral(), GCTAOnOffObservation::GCTAOnOffObservation(), GEphemerides::geo2ssb(), GEphemerides::geo2ssb(), GCTAResponseCube::irf_radial(), GHealpix::max_pixrad(), GCTAModelAeffBackground::mc(), GCTAModelIrfBackground::mc(), GModelSky::mc(), GModelSpectralExpInvPlaw::mc(), GModelSpectralExpPlaw::mc(), GModelSpectralSuperExpPlaw::mc(), GModelSpatialDiffuseConst::mc_norm(), GModelSpatialDiffuseMap::mc_norm(), GModelSpatialElliptical::mc_norm(), GModelSpatialPointSource::mc_norm(), GModelSpatialRadial::mc_norm(), GModelSpectralBins::mc_update(), GModelSpectralNodes::mc_update(), GCTAOnOffObservation::N_bgd(), GCOMInstChars::ne213a_mfpath(), GLATPsfV3::normalize_psf(), GLATPsfV1::psf(), GCOMModelDRM::read(), GModelSpectralConst::read(), GModelSpectralExpInvPlaw::read(), GModelSpectralExpPlaw::read(), GModelSpectralLogParabola::read(), GModelSpectralPlaw::read(), GModelSpectralSuperExpPlaw::read(), GCTAModelSkyCube::read_xml_spatial(), GCTAOnOffObservation::rmf_stacked(), GCOMBvc::tdelta(), GCOMBvcs::tdelta(), GCTAPsfKing::update(), GModelSpectralBrokenPlaw::update_mc_cache(), GCOMD2Response::update_response_vector(), GCOMModelDRM::write(), GModelSpectralBrokenPlaw::write(), GModelSpectralExpInvPlaw::write(), GModelSpectralExpPlaw::write(), GModelSpectralLogParabola::write(), GModelSpectralPlaw::write(), GModelSpectralSmoothBrokenPlaw::write(), GModelSpectralSuperExpPlaw::write(), and GCTAModelSkyCube::write_xml_spatial().

operator*()

double operator*	(	const GVector &	a,
		const GVector &	b )

Vector scalar product.

Parameters

[in]	a	Vector.
[in]	b	Vector.

Returns

Product between vector a and b.

Exceptions

GException::invalid_argument

Mismatch between vector size.

Returns the scalar product between vector a and b.

Definition at line 836 of file GVector.cpp.

perm()

GVector perm	(	const GVector &	vector,
		const int *	p )

Computes vector permutation.

Parameters

[in]	vector	Vector.
[in]	p	Permutation array.

Returns

Permuted vector.

Definition at line 1011 of file GVector.cpp.

Referenced by GMatrixSparse::cholesky_solver().

pow()

GVector pow	(	const GVector &	vector,
		const double &	power )

Computes tanh of vector elements.

Parameters

[in]	vector	Vector.
[in]	power	Power.

Returns

Vector containing the power of every element.

Definition at line 1422 of file GVector.cpp.

Referenced by GLATPsfV1::psf().

sin()

GVector sin

(

const GVector &

vector

)

Computes sine of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the sine of every element.

Definition at line 1316 of file GVector.cpp.

Referenced by GSkyDir::cos_dist(), GLATMeanPsf::integral(), and GCTAModelRadialGauss::mc().

sinh()

GVector sinh

(

const GVector &

vector

)

Computes sinh of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the sinh of every element.

Definition at line 1337 of file GVector.cpp.

sqrt()

GVector sqrt

(

const GVector &

vector

)

Computes square root of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the square root of every element.

Definition at line 1358 of file GVector.cpp.

Referenced by GSparseNumeric::cholesky_numeric_analysis(), GSparseSymbolic::cs_amd(), GCTAEventBin::error(), GEventBin::error(), GLATEventBin::error(), GOptimizerLM::errors(), GObservations::errors_hessian(), GCTAModelRadialGauss::omega(), GWcsAZP::prj_s2x(), GWcsAZP::prj_x2s(), GWcs::sph_s2x(), and GWcs::sph_x2s().

sum()

double sum

(

const GVector &

vector

)

Computes vector sum.

Parameters

[in]

vector

Vector.

Returns

Sum of vector elements.

Definition at line 944 of file GVector.cpp.

Referenced by GCOMIaq::compton_kinematics(), GCTAOnOffObservation::compute_arf_cut(), GCTAPsfTable::containment_radius(), GSkyMap::convolution_kernel(), GSkyMap::counts(), GCTAEdisp2D::get_mean_rms(), GCTAEdisp2D::get_moments(), GResponse::irf_composite(), GResponse::irf_composite(), GCOMIaq::klein_nishina(), GCTAPsf2D::mc(), GModelSpatialComposite::mc(), GModelSpatialDiffuseMap::mc_cone(), GModelTemporalPhaseCurve::normalize_nodes(), GLATPsfV3::normalize_psf(), GCTAEdisp2D::normalize_table(), GCTAResponseIrf::nroi_composite(), GLATLtCubeMap::operator()(), GLATLtCubeMap::operator()(), GLATLtCubeMap::operator()(), GLATLtCubeMap::operator()(), GCTAPsfTable::precompute(), GModelSpatialDiffuseMap::prepare_map(), GCOMIaq::print(), GLATPsfV1::psf(), GCTAOnOffObservation::rmf_stacked(), GCOMIaq::set(), GLATMeanPsf::set_map_corrections(), GCTAEdispRmf::set_matrix(), GSkyMap::stack_maps(), GModelSpatialComposite::sum_of_scales(), GIntegral::trapzd(), and GModelSpectralComposite::update_mc_cache().

tan()

GVector tan

(

const GVector &

vector

)

Computes tangens of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the tangens of every element.

Definition at line 1379 of file GVector.cpp.

tanh()

GVector tanh

(

const GVector &

vector

)

Computes tanh of vector elements.

Parameters

[in]

vector

Vector.

Returns

Vector containing the tanh of every element.

Definition at line 1400 of file GVector.cpp.