casa::C Namespace Reference

Variables
const Double	sqrt2
	Mathematical constants.
const Double	sqrt3
	sqrt(3)
const Double	_1_sqrt2
	1/sqrt(2)
const Double	_1_sqrt3
	1/sqrt(3)
const Double	pi
	Pi and functions thereof:
const Double	_2pi
	2*pi
const Double	pi_2
	pi/2
const Double	pi_4
	pi/4
const Double	_1_pi
	1/pi
const Double	_2_pi
	2/pi
const Double	_1_sqrtpi
	1/sqrt(pi)
const Double	_2_sqrtpi
	2/sqrt(pi)
const Double	e
	e and functions thereof:
const Double	ln2
	ln(2)
const Double	ln10
	ln(10)
const Double	log2e
	log2(e)
const Double	log10e
	log10(e)
const Double	gamma
	gamma and functions thereof:
const Double	lngamma
	ln(gamma)
const Double	etogamma
	e**gamma
const Double	flt_min
	Machine constants.
const Double	minfloat
	the minimum single precision floating point number, including denormalised numbers
const Double	dbl_min
	the minimum double precision floating point number, excluding denormalised numbers
const Double	mindouble
	the minimum double precision floating point number, including denormalised numbers
const Double	flt_max
	the maximum single precision floating point number
const Double	dbl_max
	the maximum double precision floating point number
const Double	flt_epsilon
	Minimum single precision floating point number X such that 1+X does not equal X.
const Double	dbl_epsilon
	Minimum double precision floating point number X such that 1+X does not equal X.
const Double	c
	Fundamental physical constants (SI units):
const Double	yotta
	Numerical conversion factors.
const Double	zetta
	e+21 (Z)
const Double	exa
	e+18 (E)
const Double	peta
	e+15 (P)
const Double	tera
	e+12 (T)
const Double	giga
	e+09 (G)
const Double	mega
	e+06 (M)
const Double	kilo
	e+03 (k)
const Double	hecto
	e+02 (h)
const Double	deka
	e+01 (da)
const Double	deci
	e-01 (d)
const Double	centi
	e-02 (c)
const Double	milli
	e-03 (m)
const Double	micro
	e-06 (u)
const Double	nano
	e-09 (n)
const Double	pico
	e-12 (p)
const Double	femto
	e-15 (f)
const Double	atto
	e-18 (a)
const Double	zepto
	e-21 (z)
const Double	yocto
	e-24 (y)
const Double	radian
	Angular measure:
const Double	circle
	circle
const Double	degree
	degree
const Double	arcmin
	arcminute
const Double	arcsec
	arcsecond
const Double	steradian
	Solid angular measure:
const Double	sphere
	sphere
const Double	square_degree
	square degree
const Double	square_arcmin
	square arcminute
const Double	square_arcsec
	square arcsecond
const Double	second
	Time interval [T]:
const Double	minute
	minute
const Double	hour
	hour
const Double	day
	day

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Variable Documentation

const Double casa::C::_1_pi

1/pi

const Double casa::C::_1_sqrt2

1/sqrt(2)

const Double casa::C::_1_sqrt3

1/sqrt(3)

const Double casa::C::_1_sqrtpi

1/sqrt(pi)

const Double casa::C::_2_pi

2/pi

const Double casa::C::_2_sqrtpi

2/sqrt(pi)

const Double casa::C::_2pi

2*pi

const Double casa::C::arcmin

arcminute

const Double casa::C::arcsec

arcsecond

const Double casa::C::atto

e-18 (a)

const Double casa::C::c

Fundamental physical constants (SI units):

velocity of light -- for legacy reasons only -- refer to PC

Referenced by casa::ImageInfo::_className(), casa::ListIter< WCMotionEH * >::addRight(), casa::DS9::coordinateSystem(), casa::DisplayPoint3::DisplayPoint3(), casa::SubMS::freq_from_lambda(), casa::SubMS::freq_from_vopt(), casa::SubMS::freq_from_vrad(), casa::RFFlagCube::getFlag(), casa::SubMS::lambda(), casa::one(), casa::asyncio::VlatFunctor0< Ret, VbType >::operator()(), casa::vi::VlatFunctor0< Ret, VbType >::operator()(), asdm::ASDMValuesParser::parse(), asdm::ASDMValuesParser::READ(), casa::surface(), casa::SubMS::vopt(), and casa::SubMS::vrad().

const Double casa::C::centi

e-02 (c)

const Double casa::C::circle

circle

const Double casa::C::day

day

const Double casa::C::dbl_epsilon

Minimum double precision floating point number X such that 1+X does not equal X.

const Double casa::C::dbl_max

the maximum double precision floating point number

const Double casa::C::dbl_min

the minimum double precision floating point number, excluding denormalised numbers

const Double casa::C::deci

e-01 (d)

const Double casa::C::degree

degree

const Double casa::C::deka

e+01 (da)

const Double casa::C::e

e and functions thereof:

e

Referenced by casa::utilj::contains(), casa::utilj::fillContainer(), casa::WTerm::getSupportThreshold(), casa::PSTerm::getSupportThreshold(), casa::utilj::ThreadTimes::getTime(), casa::Stack< VisBuffer * >::push(), asdm::EntityRef::setEntityId(), casa::AtmosCorruptor::setFocusChan(), and casa::utilj::ThreadTimes::toSeconds().

const Double casa::C::etogamma

e**gamma

const Double casa::C::exa

e+18 (E)

const Double casa::C::femto

e-15 (f)

const Double casa::C::flt_epsilon

Minimum single precision floating point number X such that 1+X does not equal X.

const Double casa::C::flt_max

the maximum single precision floating point number

const Double casa::C::flt_min

Machine constants.

floating point limits

the minimum single precision floating point number, excluding denormalised numbers

const Double casa::C::gamma

gamma and functions thereof:

gamma

const Double casa::C::giga

e+09 (G)

const Double casa::C::hecto

e+02 (h)

const Double casa::C::hour

hour

const Double casa::C::kilo

e+03 (k)

const Double casa::C::ln10

ln(10)

const Double casa::C::ln2

ln(2)

const Double casa::C::lngamma

ln(gamma)

const Double casa::C::log10e

log10(e)

const Double casa::C::log2e

log2(e)

const Double casa::C::mega

e+06 (M)

const Double casa::C::micro

e-06 (u)

const Double casa::C::milli

e-03 (m)

const Double casa::C::mindouble

the minimum double precision floating point number, including denormalised numbers

const Double casa::C::minfloat

the minimum single precision floating point number, including denormalised numbers

const Double casa::C::minute

minute

const Double casa::C::nano

e-09 (n)

const Double casa::C::peta

e+15 (P)

const Double casa::C::pi

Pi and functions thereof:

pi

const Double casa::C::pi_2

pi/2

Referenced by casa::Fit2D::paFromGauss2D(), and casa::Fit2D::paToGauss2D().

const Double casa::C::pi_4

pi/4

const Double casa::C::pico

e-12 (p)

const Double casa::C::radian

Angular measure:

radian

const Double casa::C::second

Time interval [T]:

second

Referenced by casa::vi::chunk(), casa::SubChunkPair::incrementChunk(), casa::SubChunkPair::incrementSubChunk(), casa::SubChunkPair::operator<(), casa::SubChunkPair::operator==(), casa::SubChunkPair::resetSubChunk(), casa::SubChunkPair::resetToOrigin(), and casa::SubChunkPair::subchunk().

const Double casa::C::sphere

sphere

const Double casa::C::sqrt2

Mathematical constants.

Irrationals:

sqrt(2)

const Double casa::C::sqrt3

sqrt(3)

const Double casa::C::square_arcmin

square arcminute

const Double casa::C::square_arcsec

square arcsecond

const Double casa::C::square_degree

square degree

const Double casa::C::steradian

Solid angular measure:

steradian

const Double casa::C::tera

e+12 (T)

const Double casa::C::yocto

e-24 (y)

const Double casa::C::yotta

Numerical conversion factors.

e+24 (Y)

const Double casa::C::zepto

e-21 (z)

const Double casa::C::zetta

e+21 (Z)