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Variables
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

Variable Documentation

1/pi

1/sqrt(2)

1/sqrt(3)

1/sqrt(pi)

2/pi

2/sqrt(pi)

2*pi

arcminute

arcsecond

e-18 (a)

e-02 (c)

circle

day

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

the maximum double precision floating point number

the minimum double precision floating point number, excluding denormalised numbers

e-01 (d)

degree

e+01 (da)

e**gamma

e+18 (E)

e-15 (f)

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

the maximum single precision floating point number

Machine constants.

floating point limits

the minimum single precision floating point number, excluding denormalised numbers

gamma and functions thereof:

gamma

e+09 (G)

e+02 (h)

hour

e+03 (k)

ln(10)

ln(2)

ln(gamma)

log10(e)

log2(e)

e+06 (M)

e-06 (u)

e-03 (m)

the minimum double precision floating point number, including denormalised numbers

the minimum single precision floating point number, including denormalised numbers

minute

e-09 (n)

e+15 (P)

Pi and functions thereof:

pi

pi/4

e-12 (p)

Angular measure:

radian

sphere

Mathematical constants.

Irrationals:

sqrt(2)

sqrt(3)

square arcminute

square arcsecond

square degree

Solid angular measure:

steradian

e+12 (T)

e-24 (y)

Numerical conversion factors.

e+24 (Y)

e-21 (z)

e+21 (Z)