Constants.h File Reference

#include <casacore/casa/aips.h>
#include <limits.h>
#include <float.h>
#include <values.h>

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Namespaces
namespace	casacore
	this file contains all the compiler specific defines
namespace	casacore::C

Variables
constexpr double	casacore::C::sqrt2
	Mathematical constants.
constexpr double	casacore::C::sqrt3
	sqrt(3)
constexpr double	casacore::C::_1_sqrt2
	1/sqrt(2)
constexpr double	casacore::C::_1_sqrt3
	1/sqrt(3)
constexpr double	casacore::C::pi
	Pi and functions thereof:
constexpr double	casacore::C::_2pi
	2*pi
constexpr double	casacore::C::pi_2
	pi/2
constexpr double	casacore::C::pi_4
	pi/4
constexpr double	casacore::C::_1_pi
	1/pi
constexpr double	casacore::C::_2_pi
	2/pi
constexpr double	casacore::C::_1_sqrtpi
	1/sqrt(pi)
constexpr double	casacore::C::_2_sqrtpi
	2/sqrt(pi)
constexpr double	casacore::C::e
	e and functions thereof:
constexpr double	casacore::C::ln2
	ln(2)
constexpr double	casacore::C::ln10
	ln(10)
constexpr double	casacore::C::log2e
	log2(e)
constexpr double	casacore::C::log10e
	log10(e)
constexpr double	casacore::C::gamma
	gamma and functions thereof:
constexpr double	casacore::C::lngamma
	ln(gamma) With C++20, could be deprecated and use std::log(std::numbers::gamma) instead
constexpr double	casacore::C::etogamma
	e**gamma With C++20, could be deprecated and use std::exp(std::numbers::gamma) instead
constexpr double	casacore::C::probit_3_4
	statistics related 1/(Phi^(-1)(3/4), see https://en.wikipedia.org/wiki/Median_absolute_deviation#Relation_to_standard_deviation
constexpr double	casacore::C::flt_min
	Machine constants.
constexpr double	casacore::C::minfloat
	the minimum single precision floating point number, including denormalised numbers
constexpr double	casacore::C::dbl_min
	the minimum double precision floating point number, excluding denormalised numbers
constexpr double	casacore::C::mindouble
	the minimum double precision floating point number, including denormalised numbers
constexpr double	casacore::C::flt_max
	the maximum single precision floating point number
constexpr double	casacore::C::dbl_max
	the maximum double precision floating point number
constexpr double	casacore::C::flt_epsilon
	Minimum single precision floating point number X such that 1+X does not equal X.
constexpr double	casacore::C::dbl_epsilon
	Minimum double precision floating point number X such that 1+X does not equal X.
constexpr double	casacore::C::c
	Fundamental physical constants (SI units):
constexpr double	casacore::C::quetta
	Numerical conversion factors.
constexpr double	casacore::C::ronna
	e+27 (R)
constexpr double	casacore::C::yotta
	e+24 (Y)
constexpr double	casacore::C::zetta
	e+21 (Z)
constexpr double	casacore::C::exa
	e+18 (E)
constexpr double	casacore::C::peta
	e+15 (P)
constexpr double	casacore::C::tera
	e+12 (T)
constexpr double	casacore::C::giga
	e+09 (G)
constexpr double	casacore::C::mega
	e+06 (M)
constexpr double	casacore::C::kilo
	e+03 (k)
constexpr double	casacore::C::hecto
	e+02 (h)
constexpr double	casacore::C::deka
	e+01 (da)
constexpr double	casacore::C::deci
	e-01 (d)
constexpr double	casacore::C::centi
	e-02 (c)
constexpr double	casacore::C::milli
	e-03 (m)
constexpr double	casacore::C::micro
	e-06 (u)
constexpr double	casacore::C::nano
	e-09 (n)
constexpr double	casacore::C::pico
	e-12 (p)
constexpr double	casacore::C::femto
	e-15 (f)
constexpr double	casacore::C::atto
	e-18 (a)
constexpr double	casacore::C::zepto
	e-21 (z)
constexpr double	casacore::C::yocto
	e-24 (y)
constexpr double	casacore::C::ronto
	e-27 (r)
constexpr double	casacore::C::quecto
	e-30 (q)
constexpr double	casacore::C::radian
	Angular measure:
constexpr double	casacore::C::circle
	circle
constexpr double	casacore::C::degree
	degree
constexpr double	casacore::C::arcmin
	arcminute
constexpr double	casacore::C::arcsec
	arcsecond
constexpr double	casacore::C::steradian
	Solid angular measure:
constexpr double	casacore::C::sphere
	sphere
constexpr double	casacore::C::square_degree
	square degree
constexpr double	casacore::C::square_arcmin
	square arcminute
constexpr double	casacore::C::square_arcsec
	square arcsecond
constexpr double	casacore::C::second
	Time interval [T]:
constexpr double	casacore::C::minute
	minute
constexpr double	casacore::C::hour
	hour
constexpr double	casacore::C::day
	day
constexpr double	casacore::C::MJD0
	Difference between Julian Day and Modified Julian Day.