Monthly Archives: March 2017

mXparser – v.4.0.0 – released! Major update!

v.4.0.0 (2017-03-27): Major update: Bitwise Operators, Numbers in scientific notation, Units, Physical & Astronomical Constants, Equations solving via finding function root, Better tokens handling, Function Extensions – possibility of using your own implementation, Bugs fixed!

Bitwise Operators

  • @~ – Bitwise unary complement
  • @& – Bitwise AND
  • @^ – Bitwise exclusive OR
  • @| – Bitwise inclusive OR
  • @<< – Signed left shift
  • @>> – Signed right shift

Numbers in scientific notation

  • 1.2e10
  • 1.2e-10
  • 1.2e+10
  • 1.2E10
  • 1.2E-10
  • 1.2E+10

Units

  • [%] – <Ratio, Fraction> Percentage = 0.01
  • [%%] – <Ratio, Fraction> Promil, Per mille = 0.001
  • [Y] – Septillion / Yotta = 10^24
  • [sept] – Septillion / Yotta = 10^24
  • [Z] – Sextillion / Zetta = 10^21
  • [sext] – Sextillion / Zetta = 10^21
  • [E] – Quintillion / Exa = 10^18
  • [quint] – Quintillion / Exa = 10^18
  • [P] – Quadrillion / Peta = 10^15
  • [quad] – Quadrillion / Peta = 10^15
  • [T] – Trillion / Tera = 10^12
  • [tril] – Trillion / Tera = 10^12
  • [G] – Billion / Giga = 10^9
  • [bil] – Billion / Giga = 10^9
  • [M] – Million / Mega = 10^6
  • [mil] – Million / Mega = 10^6
  • [k] – Thousand / Kilo = 10^3
  • [th] – Thousand / Kilo = 10^3
  • [hecto] – Hundred / Hecto = 10^2
  • [hund] – Hundred / Hecto = 10^2
  • [deca] – Ten / Deca = 10
  • [ten] – Ten / Deca = 10
  • [deci] – Tenth / Deci = 0.1
  • [centi] – Hundredth / Centi = 0.01
  • [milli] – Thousandth / Milli = 0.001
  • [mic] – Millionth / Micro = 10^-6
  • [n] – Billionth / Nano = 10^-9
  • [p] – Trillionth / Pico = 10^-12
  • [f] – Quadrillionth / Femto = 10^-15
  • [a] – Quintillionth / Atoo = 10^-18
  • [z] – Sextillionth / Zepto = 10^-21
  • [y] – Septillionth / Yocto = 10^-24
  • [m] – Metre / Meter (m=1)
  • [km] – Kilometre / Kilometer (m=1)
  • [cm] – Centimetre / Centimeter (m=1)
  • [mm] – Millimetre / Millimeter (m=1)
  • [inch] – Inch (m=1)
  • [yd] – Yard (m=1)
  • [ft] – Feet (m=1)
  • [mile] – Mile (m=1)
  • [nmi] – Nautical mile (m=1)
  • [m2] – Square metre / Square meter (m=
  • [cm2] – Square centimetre / Square cent
  • [mm2] – Square millimetre / Square mill
  • [are] – Are (m=1)
  • [ha] – Hectare (m=1)
  • [acre] – Acre (m=1)
  • [km2] – Square kilometre / Square kilom
  • [mm3] – Cubic millimetre / Cubic mill
  • [cm3] – Cubic centimetre / Cubic cent
  • [m3] – Cubic metre / Cubic meter (m=
  • [km3] – Cubic kilometre / Cubic kilom
  • [ml] – Millilitre / Milliliter (m=1)
  • [l] – Litre / Liter (m=1)
  • [gall] – Gallon (m=1)
  • [pint] – Pint (m=1)
  • [s] – Second (s=1)
  • [ms] – Millisecond (s=1)
  • [min] – Minute (s=1)
  • [h] – Hour (s=1)
  • [day] – Day (s=1)
  • [week] – Week (s=1)
  • [yearj] – Julian year = 365.25 days (s=1)
  • [kg] – Kilogram (kg=1)
  • [gr] – Gram (kg=1)
  • [mg] – Milligram (kg=1)
  • [dag] – Decagram (kg=1)
  • [t] – Tonne (kg=1)
  • [oz] – Ounce (kg=1)
  • [lb] – Pound (kg=1)
  • [b] – Bit (bit=1)
  • [kb] – Kilobit (bit=1)
  • [Mb] – Megabit (bit=1)
  • [Gb] – Gigabit (bit=1)
  • [Tb] – Terabit (bit=1)
  • [Pb] – Petabit (bit=1)
  • [Eb] – Exabit (bit=1)
  • [Zb] – Zettabit (bit=1)
  • [Yb] – Yottabit (bit=1)
  • [B] – Byte (bit=1)
  • [kB] – Kilobyte (bit=1)
  • [MB] – Megabyte (bit=1)
  • [GB] – Gigabyte (bit=1)
  • [TB] – Terabyte (bit=1)
  • [PB] – Petabyte (bit=1)
  • [EB] – Exabyte (bit=1)
  • [ZB] – Zettabyte (bit=1)
  • [YB] – Yottabyte (bit=1)
  • [J] – Joule (m=1, kg=1, s=1)
  • [eV] – Electronovolt (m=1, kg=1, s=1
  • [keV] – Kiloelectronovolt (m=1, kg=1,
  • [MeV] – Megaelectronovolt (m=1, kg=1,
  • [GeV] – Gigaelectronovolt (m=1, kg=1,
  • [TeV] – Teraelectronovolt (m=1, kg=1,
  • [m/s] – Metre / Meter per second (m=1,
  • [km/h] – Kilometre / Kilometer per hour
  • [mi/h] – Mile per hour (m=1, s=1)
  • [knot] – Knot (m=1, s=1)
  • [m/s2] – Metre / Meter per squar
  • [km/h2] – Kilometre / Kilometer p
  • [mi/h2] – Mile per square hour (m
  • [rad] – Radian (rad=1)
  • [deg] – Degree of arc (rad=1)
  • [‘] – Minute of arc (rad=1)
  • [”] – Second of arc (rad=1)

Physical Constants

  • – Light speed in vacuum [m/s] (m=1, s=1)
  • [G.] – Gravitational constant (m=1, kg=1, s=1)]
  • [g] – Gravitational acceleration on Earth [m/s^2] (m=1, s=1)
  • [hP] – Planck constant (m=1, kg=1, s=1)
  • [h-] – Reduced Planck constant / Dirac constant (m=1, kg=1, s=1)]
  • [lP] – Planck length [m] (m=1)
  • [mP] – Planck mass [kg] (kg=1)
  • [tP] – Planck time [s] (s=1)

Astronomical Constants

  • [ly] – Light year [m] (m=1)
  • [au] – Astronomical unit [m] (m=1)
  • [pc] – Parsec [m] (m=1)
  • [kpc] – Kiloparsec [m] (m=1)
  • [Earth-R-eq – ]Earth equatorial radius [m] (m=1)
  • [Earth-R-po] – Earth polar radius [m] (m=1)
  • [Earth-R] – Earth mean radius (m=1)
  • [Earth-M] – Earth mass [kg] (kg=1)
  • [Earth-D] – Earth-Sun distance – semi major axis [m] (m=1)
  • [Moon-R] – Moon mean radius [m] (m=1)
  • [Moon-M] – Moon mass [kg] (kg=1)
  • [Moon-D] – Moon-Earth distance – semi major axis [m] (m=1)
  • [Solar-R] – Solar mean radius [m] (m=1)
  • [Solar-M] – Solar mass [kg] (kg=1)
  • [Mercury-R] – Mercury mean radius [m] (m=1)
  • [Mercury-M] – – Mercury mass [kg] (kg=1)
  • [Mercury-D]Mercury-Sun distance – semi major axis [m] (m=1)
  • [Venus-R] – Venus mean radius [m] (m=1)
  • [Venus-M] – Venus mass [kg] (kg=1)
  • [Venus-D] – Venus-Sun distance – semi major axis [m] (m=1)
  • [Mars-R] – Mars mean radius [m] (m=1)
  • [Mars-M] – Mars mass [kg] (kg=1)
  • [Mars-D] – Mars-Sun distance – semi major axis [m] (m=1)
  • [Jupiter-R] – Jupiter mean radius [m] (m=1)
  • [Jupiter-M] – Jupiter mass [kg] (kg=1)
  • [Jupiter-D] – Jupiter-Sun distance – semi major axis [m] (m=1)
  • [Saturn-R] – Saturn mean radius [m] (m=1)
  • [Saturn-M] – Saturn mass [kg] (kg=1)
  • [Saturn-D] – Saturn-Sun distance – semi major axis [m] (m=1)
  • [Uranus-R] – Uranus mean radius [m] (m=1)
  • [Uranus-M] – Uranus mass [kg] (kg=1)
  • [Uranus-D] – Uranus-Sun distance – semi major axis [m] (m=1)
  • [Neptune-R] – Neptune mean radius [m] (m=1)
  • [Neptune-M] – Neptune mass [kg] (kg=1)
  • [Neptune-D] – Neptune-Sun distance – semi major axis [m] (m=1)

Equations solving via finding function root

  • solve( f(x), x, a, b ) – solving f(x) = 0

Better tokens handling

  • Better handling of invalid / not known tokens
  • Looks like functionality

Function Extensions – possibility of using your own implementation

  • FunctionExtension interface + new constructor in Function class

Bugs fixed

  • Exception thrown by getCopyOfInitialTokens() #21
  • System.format.exception – system.IO.EndOfStreamException #20
  • Expression relating factorial “!” cause the application to hang #17
  • Negative sign missing when is right of operators #16
  • Negative in if statement #12
  • Speed when debugging #11
  • User defined arguments ending in e #10

New regression tests – current tests coverage:

  • 622 expression related tests
  • 114 syntax related tests
  • 30 api related tests
  • 20 performance tests

Enjoy 🙂