BALL  1.4.1
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BALL::Constants Namespace Reference

Variables

Mathematical constants.
BALL_EXTERN_VARIABLE const double PI
 PI.
BALL_EXTERN_VARIABLE const double E
 Euler's number - base of the natural logarithm.
BALL_EXTERN_VARIABLE double EPSILON
Chemical/physical constants.
BALL_EXTERN_VARIABLE const double ELEMENTARY_CHARGE
BALL_EXTERN_VARIABLE const double e0
 Elementary charge (alias)
BALL_EXTERN_VARIABLE const double ELECTRON_MASS
BALL_EXTERN_VARIABLE const double PROTON_MASS
BALL_EXTERN_VARIABLE const double NEUTRON_MASS
BALL_EXTERN_VARIABLE const double AVOGADRO
BALL_EXTERN_VARIABLE const double NA
BALL_EXTERN_VARIABLE const double MOL
BALL_EXTERN_VARIABLE const double BOLTZMANN
BALL_EXTERN_VARIABLE const double k
BALL_EXTERN_VARIABLE const double PLANCK
BALL_EXTERN_VARIABLE const double h
BALL_EXTERN_VARIABLE const double GAS_CONSTANT
BALL_EXTERN_VARIABLE const double R
BALL_EXTERN_VARIABLE const double FARADAY
BALL_EXTERN_VARIABLE const double F
BALL_EXTERN_VARIABLE const double BOHR_RADIUS
BALL_EXTERN_VARIABLE const double a0
BALL_EXTERN_VARIABLE const double VACUUM_PERMITTIVITY
BALL_EXTERN_VARIABLE const double VACUUM_PERMEABILITY
BALL_EXTERN_VARIABLE const double SPEED_OF_LIGHT
BALL_EXTERN_VARIABLE const double c
BALL_EXTERN_VARIABLE const double GRAVITATIONAL_CONSTANT
BALL_EXTERN_VARIABLE const double FINE_STRUCTURE_CONSTANT
Conversion factors
BALL_EXTERN_VARIABLE const double DEG_PER_RAD
BALL_EXTERN_VARIABLE const double RAD_PER_DEG
BALL_EXTERN_VARIABLE const double MM_PER_INCH
BALL_EXTERN_VARIABLE const double M_PER_FOOT
BALL_EXTERN_VARIABLE const double JOULE_PER_CAL
BALL_EXTERN_VARIABLE const double CAL_PER_JOULE

Detailed Description

The constants namespace. This namespace contains definitions for some basic mathematical and physical constants. All constants are double precision.

There are basically two ways of accessing these constants:

Variable Documentation

Bohr radius (alias)

Definition at line 127 of file constants.h.

Avogadro constant. In units of $mol^{-1}$ ( $6.0221367 \cdot 10^{23} mol^{-1}$).

Definition at line 76 of file constants.h.

Bohr radius. In units m ( $5.29177249 \cdot 10^{-11}$ m).

Definition at line 123 of file constants.h.

Boltzmann constant. In units of J/K ( $1.380657 \cdot 10^{-23}$ J/K).

Definition at line 89 of file constants.h.

Speed of Light (alias)

Definition at line 149 of file constants.h.

Calories per Joule. 1/JOULE_PER_CAL

Definition at line 194 of file constants.h.

Degree per rad. 57.2957795130823209

Definition at line 169 of file constants.h.

Euler's number - base of the natural logarithm.

Definition at line 38 of file constants.h.

Elementary charge (alias)

Definition at line 56 of file constants.h.

Electron mass. In units of kg ( $9.1093897 \cdot 10^{-31}$ kg).

Definition at line 61 of file constants.h.

Elementary charge. In units of C ( $1.60217738 \cdot 10^{-19} C$).

Definition at line 53 of file constants.h.

Internal theshold for equality comparisons. Default value is 1e-6.

Definition at line 43 of file constants.h.

Faraday constant (alias)

Definition at line 118 of file constants.h.

Faraday constant (= NA * e0)

Definition at line 114 of file constants.h.

Fine structure constant. Without unit ( $7.29735 \cdot 10^{-3}$).

Definition at line 159 of file constants.h.

Gas constant (= NA * k)

Definition at line 106 of file constants.h.

Gravitational constant. In units of $Nm^2kg^{-2}$ ( $6.67259 \cdot 10^{-11} Nm^2kg^{-2}$).

Definition at line 154 of file constants.h.

Planck constant (alias)

Definition at line 102 of file constants.h.

Joules per calorie. 4.184

Definition at line 189 of file constants.h.

Boltzmann constant (alias)

Definition at line 93 of file constants.h.

m per foot. 3.048

Definition at line 184 of file constants.h.

mm per inch. 25.4

Definition at line 179 of file constants.h.

Avogadro constant (alias)

Definition at line 84 of file constants.h.

Avogadro constant (alias)

Definition at line 80 of file constants.h.

Neutron mass. In units of kg ( $1.6749286 \cdot 10^{-27}$ kg).

Definition at line 71 of file constants.h.

PI.

Definition at line 35 of file constants.h.

Planck constant. In units of Js ( $6.6260754 \cdot 10^{-34}$ Js).

Definition at line 98 of file constants.h.

Proton mass. In units of kg ( $1.6726230 \cdot 10^{-27}$ kg).

Definition at line 66 of file constants.h.

Gas constant (alias)

Definition at line 110 of file constants.h.

Rad per degree. 0.0174532925199432957

Definition at line 174 of file constants.h.

Speed of light. In units of m/s ( $2.99792458 \cdot 10^8 ms^{-1}$).

Definition at line 145 of file constants.h.

Vacuum permeability. In units of $Js^2C^{-2}m^{-1}$ ( $4\pi \cdot 10^{-7} Js^2C^{-2}m^{-1}$).

Definition at line 140 of file constants.h.

Vacuum permittivity. In units of $C^2J^{-1}m^{-1}$ ( $8.85419 \cdot 10^{-12} C^2J^{-1}m^{-1}$).

Definition at line 135 of file constants.h.

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