{ This file is part of the Free Pascal run time library. Copyright (c) 2004 by Marco van de Voort member of the Free Pascal development team. An implementation for unit stdconv, Based on list of function of delphibasics.co.uk and #7482. Quantities are mostly taken from my HP48g/gx or the unix units program This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. **********************************************************************} unit stdconvs; interface {$mode objfpc} {$H+} {$ifndef FPUNONE} Uses convutils; var {cbArea family} auSquareMillimeters, auSquareCentimeters, auSquareDecimeters, auSquareMeters, auSquareDecameters, auSquareHectometers, auSquareKilometers, auSquareInches, auSquareFeet , auSquareYards , auSquareMiles, auAcres , auCentares , auAres , auHectares , auSquareRods , {cbDistance family} duMicromicrons, duAngstroms , duMillimicrons, duMicrons, duMillimeters, duCentimeters, duDecimeters, duMeters, duDecameters, duHectometers, duKilometers, duMegameters, duGigameters, duInches, duFeet, duYards, duMiles , duNauticalMiles, duAstronomicalUnits, duLightYears, duParsecs, duCubits, duFathoms, duFurlongs, duHands, duPaces, duRods, duChains, duLinks, duPicas, duPoints, {cbMass family} muNanograms, muMicrograms, muMilligrams, muCentigrams, muDecigrams, muGrams, muDecagrams, muHectograms, muKilograms, muMetricTons, muDrams, muGrains, muLongTons, muTons, muOunces, muPounds, muStones, {cbTemperature family} tuCelsius, tuKelvin, tuFahrenheit, tuRankine, tuReamur, { cbTime family } tuMilliSeconds, tuSeconds, tuMinutes, tuHours, tuDays, tuWeeks, tuFortnights, tuMonths, tuYears, tuDecades, tuCenturies, tuMillennia, tuDateTime, tuJulianDate, tuModifiedJulianDate, { cbVolume family } vuCubicMillimeters, vuCubicCentimeters, vuCubicDecimeters, vuCubicMeters, vuCubicDecameters, vuCubicHectometers, vuCubicKilometers, vuCubicInches, vuCubicFeet, vuCubicYards, vuCubicMiles, vuMilliLiters, vuCentiLiters, vuDeciLiters, vuLiters, vuDecaLiters, vuHectoLiters, vuKiloLiters, vuAcreFeet, vuAcreInches, vuCords, vuCordFeet, vuDecisteres, vuSteres, vuDecasteres, vuFluidGallons, vuFluidQuarts, vuFluidPints, vuFluidCups, vuFluidGills, vuFluidOunces, vuFluidTablespoons, vuFluidTeaspoons, vuDryGallons, vuDryQuarts, vuDryPints, vuDryPecks, vuDryBuckets, vuDryBushels, vuUKGallons, vuUKPottles, vuUKQuarts, vuUKPints, vuUKGills, vuUKOunces, vuUKPecks, vuUKBuckets, vuUKBushels : TConvType; var cbArea : TConvFamily; cbDistance : TConvFamily; cbMass : TConvFamily; cbTemperature : TConvFamily; cbTime : TConvFamily; cbVolume : TConvFamily; function CelsiusToFahrenheit(const AValue: Double): Double; function FahrenheitToCelsius(const AValue: Double): Double; function CelsiusToKelvin (const AValue: Double): Double; function KelvinToCelsius (const AValue: Double): Double; implementation function FahrenheitToCelsius(const AValue: Double): Double; begin result:= (5.0/9.0) * (Avalue - 32.0); end; function CelsiusToFahrenheit(const AValue: Double): Double; begin result:= 32.0 + ((9.0 * AValue)/ 5.0); end; function CelsiusToKelvin (const AValue: Double): Double; begin result:=AValue+273.15; end; function KelvinToCelsius (const AValue: Double): Double; begin result:=AValue-273.15; end; ResourceString // Note, designations for FFU's are guesses. txtauSquareMillimeters = 'Square millimeters (mm^2)'; txtauSquareCentimeters = 'Square centimeters (cm^2)'; txtauSquareDecimeters = 'Square decimeters (dm^2)'; txtauSquareMeters = 'Square meters (m^2)'; txtauSquareDecameters = 'Square decameters (dam^2)'; txtauSquareHectometers = 'Square hectometers (hm^2)'; txtauSquareKilometers = 'Square kilometers (km^2)'; txtauSquareInches = 'Square inch (in^2)'; txtauSquareFeet = 'Square feet (ft^2)'; txtauSquareYards = 'Square yards (yd^2)'; txtauSquareMiles = 'Square miles (mi^2)'; txtauAcres = 'Square acres (acre^2)'; txtauCentares = 'Centares (care^2)'; txtauAres = 'Ares (are=dam^2)'; txtauHectares = 'Hectares (ha=hm^2)'; txtauSquareRods = 'Square Rods (sqr)'; txtduMicromicrons = 'micro microms (mumum)'; txtduAngstroms = 'Aengstroem (ang)'; txtduMillimicrons = 'millimicroms (mmum)'; txtduMicrons = 'microns (um)'; txtduMillimeters = 'millimeters (mm)'; txtduCentimeters = 'centimeters (cm)'; txtduDecimeters = 'decimeters (dm)'; txtduMeters = 'meters (m)'; txtduDecameters = 'decameters (dam)'; txtduHectometers = 'hectometers (hm)'; txtduKilometers = 'kilometers (km)'; txtduMegameters = 'megameters (Mm)'; txtduGigameters = 'gigameters (Gm)'; txtduInches = 'inches (in)'; txtduFeet = 'feet (ft)'; txtduYards = 'yards (yd)'; txtduMiles = 'miles (mi)'; txtduNauticalMiles = 'nautical miles (nmi)'; txtduAstronomicalUnits = 'astronomical units (au)'; txtduLightYears = 'light years (ly)'; txtduParsecs = 'Parsec (Ps)'; txtduCubits = 'Cubits (cb)'; txtduFathoms = 'Fathom (Fth)'; txtduFurlongs = 'Furlongs (furl)'; txtduHands = 'Hands (hnd)'; txtduPaces = 'Paces (pc)'; txtduRods = 'Rods (rd)'; txtduChains = 'Chains (ch)'; txtduLinks = 'Links (lnk)'; txtduPicas = 'Pica''s (pc)'; txtduPoints = 'Points (pnts)'; // carat/Karaat 2E-6 gram ? txtmuNanograms = 'nanograms (ng)'; txtmuMicrograms = 'micrograms (um)'; txtmuMilligrams = 'milligrams (mg)'; txtmuCentigrams = 'centigrams (cg)'; txtmuDecigrams = 'decigrams (dg)'; txtmuGrams = 'grams (g)'; txtmuDecagrams = 'decagrams (dag)'; txtmuHectograms = 'hectograms (hg)'; txtmuKilograms = 'kilograms (kg)'; txtmuMetricTons = 'metric ton (t)'; txtmuDrams = 'dramgs (??)'; txtmuGrains = 'grains (??)'; txtmuLongTons = 'longton (??)'; txtmuTons = 'imperial ton (??)'; // calling metric ton "ton" is normal in metric countries txtmuOunces = 'ounce (??)'; txtmuPounds = 'pounds (??)'; // what kind? Metric pound =0.5 txtmuStones = 'stones (??)'; txttuCelsius = 'degrees Celsius (degC)'; txttuKelvin = 'degrees Kelvin (K)'; txttuFahrenheit = 'degrees Fahrenheit (degF)'; txttuRankine = 'degrees Rankine (degR)'; txttuReamur = 'degrees Reamur (degReam)'; txttuMilliSeconds = 'milli seconds (ms)'; txttuSeconds = 'seconds (s)'; txttuMinutes = 'minutes (min)'; txttuHours = 'hours (hr)'; txttuDays = 'days (days)'; txttuWeeks = 'weeks (weeks)'; txttuFortnights = 'Fortnights (??)'; txttuMonths = 'Months (months)'; txttuYears = 'Years (years)'; txttuDecades = 'Decades (decades)'; txttuCenturies = 'Centuries (centuries)'; txttuMillennia = 'Millennia (millenia)'; txttuDateTime = 'DateTime (??)'; txttuJulianDate = 'JulianDate (??)'; txttuModifiedJulianDate = 'Modified JulianData (??)'; txtvuCubicMillimeters = 'cubic millimeters (mm^3)'; txtvuCubicCentimeters = 'cubic centimeters (cm^3)'; txtvuCubicDecimeters = 'cubic decimeters (dm^3)'; txtvuCubicMeters = 'cubic meters (m^3)'; txtvuCubicDecameters = 'cubic decameters (dam^3)'; txtvuCubicHectometers = 'cubic hectometers (hm^3)'; txtvuCubicKilometers = 'cubic kilometers (km^3)'; txtvuCubicInches = 'cubic inches (in^3)'; txtvuCubicFeet = 'cubic feet (ft^3)'; txtvuCubicYards = 'cubic yards (yd^3)'; txtvuCubicMiles = 'cubic miles (mi^3)'; txtvuMilliLiters = 'milliliters (ml)'; txtvuCentiLiters = 'centiliters (cl)'; txtvuDeciLiters = 'deciliters (dl)'; txtvuLiters = 'liters (l)'; txtvuDecaLiters = 'decaliters (dal)'; txtvuHectoLiters = 'hectoliters (hl)'; txtvuKiloLiters = 'kiloliters (kl)'; txtvuAcreFeet = 'acrefeet (acre ft)'; txtvuAcreInches = 'acreinches (acre in)'; txtvuCords = 'cords (??)'; txtvuCordFeet = 'cordfeet (??)'; txtvuDecisteres = 'decisteres (??)'; txtvuSteres = 'steres (??)'; txtvuDecasteres = 'decasteres (??)'; txtvuFluidGallons = 'US fluid gallons (fl gal)'; txtvuFluidQuarts = 'US fluid Quarts (fl Quart)'; txtvuFluidPints = 'US fluid Pints (fl pints)'; txtvuFluidCups = 'US fluid Cups (fl Cups)'; txtvuFluidGills = 'US fluid Gills (fl Quart)'; txtvuFluidOunces = 'US fluid Ounces (fl Ounces)'; txtvuFluidTablespoons = 'US fluid Tablespoons (fl Tablespoons)'; txtvuFluidTeaspoons = 'US fluid teaspoons (fl teaspoon)'; txtvuDryGallons = 'US dry gallons (dr gal)'; txtvuDryQuarts = 'US dry Quarts (dr Quart)'; txtvuDryPints = 'US dry Pints (dr pints)'; txtvuDryPecks = 'US dry pecks (dr pecks)'; txtvuDryBuckets = 'US dry buckets (dr buckets)'; txtvuDryBushels = 'US dry bushels (dr bushels)'; txtvuUKGallons = 'UK gallons (fl gal)'; txtvuUKPottles = 'UK Pottles (fl pttle)'; txtvuUKQuarts = 'UK Quarts (fl Quart)'; txtvuUKPints = 'UK Pints (fl pints)'; txtvuUKGills = 'UK Gills (fl Quart)'; txtvuUKOunces = 'UK Ounces (fl Ounces)'; txtvuUKPecks = 'UK pecks (dr pecks)'; txtvuUKBuckets = 'UK buckets (dr buckets)'; txtvuUKBushels = 'UK bushels (dr bushels)'; // initial FFU factors from a HP48g calculator and BSD units program. However after // a while, the bushels/forthnight got boring, so please check. // undefined/uncertain factors get -1, and convert() functions // should check that and bomb on it. procedure RegisterArea; begin auSquareMillimeters := RegisterConversionType(cbArea,txtauSquareMillimeters,1E-6); auSquareCentimeters := RegisterConversionType(cbArea,txtauSquareCentimeters,1E-4); auSquareDecimeters := RegisterConversionType(cbArea,txtauSquareDecimeters,1E-2); auSquareMeters := RegisterConversionType(cbArea,txtauSquareMeters,1); auSquareDecameters := RegisterConversionType(cbArea,txtauSquareDecameters,1E2); auSquareHectometers := RegisterConversionType(cbArea,txtauSquareHectometers,1E4); auSquareKilometers := RegisterConversionType(cbArea,txtauSquareKilometers,1E6); auSquareInches := RegisterConversionType(cbArea,txtauSquareInches,0.00064516); auSquareFeet := RegisterConversionType(cbArea,txtauSquareFeet,0.092903040); auSquareYards := RegisterConversionType(cbArea,txtauSquareYards,0.83612736); auSquareMiles := RegisterConversionType(cbArea,txtauSquareMiles,2589988.11034); auAcres := RegisterConversionType(cbArea,txtauAcres,4046.87260987); auCentares := RegisterConversionType(cbArea,txtauCentares,-1); auAres := RegisterConversionType(cbArea,txtauAres,100); auHectares := RegisterConversionType(cbArea,txtauHectares,10000); auSquareRods := RegisterConversionType(cbArea,txtauSquareRods,25.2929538117); end; procedure RegisterLengths; begin duMicromicrons := RegisterConversionType(cbDistance,txtduMicromicrons,1E-12); duAngstroms := RegisterConversionType(cbDistance,txtduAngstroms,1E-10); duMillimicrons := RegisterConversionType(cbDistance,txtduMillimicrons,1E-9); duMicrons := RegisterConversionType(cbDistance,txtduMicrons,1E-6); duMillimeters := RegisterConversionType(cbDistance,txtduMillimeters,1E-3); duCentimeters := RegisterConversionType(cbDistance,txtduCentimeters,1E-2); duDecimeters := RegisterConversionType(cbDistance,txtduDecimeters,1E-1); duMeters := RegisterConversionType(cbDistance,txtduMeters,1); duDecameters := RegisterConversionType(cbDistance,txtduDecameters,10); duHectometers := RegisterConversionType(cbDistance,txtduHectometers,100); duKilometers := RegisterConversionType(cbDistance,txtduKilometers,1000); duMegameters := RegisterConversionType(cbDistance,txtduMegameters,1E6); duGigameters := RegisterConversionType(cbDistance,txtduGigameters,1E9); duInches := RegisterConversionType(cbDistance,txtduInches,0.0254); duFeet := RegisterConversionType(cbDistance,txtduFeet,0.3048); duYards := RegisterConversionType(cbDistance,txtduYards,0.9144); duMiles := RegisterConversionType(cbDistance,txtduMiles,1609.344); duNauticalMiles := RegisterConversionType(cbDistance,txtduNauticalMiles,1852); duAstronomicalUnits := RegisterConversionType(cbDistance,txtduAstronomicalUnits,149597900000.0); duLightYears := RegisterConversionType(cbDistance,txtduLightYears,9.46052840488E15); duParsecs := RegisterConversionType(cbDistance,txtduParsecs, 3.08567818585E16); duCubits := RegisterConversionType(cbDistance,txtduCubits,0.4572); duFathoms := RegisterConversionType(cbDistance,txtduFathoms,1.8288); duFurlongs := RegisterConversionType(cbDistance,txtduFurlongs,201.168); duHands := RegisterConversionType(cbDistance,txtduHands,0.1016); duPaces := RegisterConversionType(cbDistance,txtduPaces,0.9144); duRods := RegisterConversionType(cbDistance,txtduRods,5.0292); duChains := RegisterConversionType(cbDistance,txtduChains,20.1168); duLinks := RegisterConversionType(cbDistance,txtduLinks,0.201168); duPicas := RegisterConversionType(cbDistance,txtduPicas,0.0042333333); duPoints := RegisterConversionType(cbDistance,txtduPoints,0.00035277778); end; procedure Registermass; // weight? :) begin muNanograms := RegisterConversionType(cbMass,txtmuNanograms,1E-12); muMicrograms := RegisterConversionType(cbMass,txtmuMicrograms,1E-9); muMilligrams := RegisterConversionType(cbMass,txtmuMilligrams,1E-6); muCentigrams := RegisterConversionType(cbMass,txtmuCentigrams,1E-5); muDecigrams := RegisterConversionType(cbMass,txtmuDecigrams,1E-4); muGrams := RegisterConversionType(cbMass,txtmuGrams,1E-3); muDecagrams := RegisterConversionType(cbMass,txtmuDecagrams,1E-2); muHectograms := RegisterConversionType(cbMass,txtmuHectograms,1E-1); muKilograms := RegisterConversionType(cbMass,txtmuKilograms,1); muMetricTons := RegisterConversionType(cbMass,txtmuMetricTons,1000); muDrams := RegisterConversionType(cbMass,txtmuDrams,0.0017718452); muGrains := RegisterConversionType(cbMass,txtmuGrains,6.479891E-5); muLongTons := RegisterConversionType(cbMass,txtmuLongTons,1016.0469); muTons := RegisterConversionType(cbMass,txtmuTons,907.18474); muOunces := RegisterConversionType(cbMass,txtmuOunces,0.028349523); muPounds := RegisterConversionType(cbMass,txtmuPounds,0.45359237); muStones := RegisterConversionType(cbMass,txtmuStones,6.3502932); end; procedure RegisterTemperature; begin tuCelsius := RegisterConversionType(cbTemperature,txttuCelsius,1); tuKelvin := RegisterConversionType(cbTemperature,txttuKelvin,1); tuFahrenheit := RegisterConversionType(cbTemperature,txttuFahrenheit,5/9); tuRankine := RegisterConversionType(cbTemperature,txttuRankine,0.5555556); tuReamur := RegisterConversionType(cbTemperature,txttuReamur,10/8); // Reaumur? end; Const Yearsec=365.24219879*24*3600.0; // year in seconds; procedure RegisterTimes; begin tuMilliSeconds := RegisterConversionType(cbTime,txttuMilliSeconds,1E-3); tuSeconds := RegisterConversionType(cbTime,txttuSeconds,1); tuMinutes := RegisterConversionType(cbTime,txttuMinutes,60.0); tuHours := RegisterConversionType(cbTime,txttuHours,3600.0); tuDays := RegisterConversionType(cbTime,txttuDays,24*3600.0); tuWeeks := RegisterConversionType(cbTime,txttuWeeks,7*24*3600.0); tuFortnights := RegisterConversionType(cbTime,txttuFortnights,14*24*3600.0); tuMonths := RegisterConversionType(cbTime,txttuMonths,1/12*YearSec); tuYears := RegisterConversionType(cbTime,txttuYears,YearSec); tuDecades := RegisterConversionType(cbTime,txttuDecades,10*YearSec); tuCenturies := RegisterConversionType(cbTime,txttuCenturies,100*yearsec); tuMillennia := RegisterConversionType(cbTime,txttuMillennia,1000*yearsec); tuDateTime := RegisterConversionType(cbTime,txttuDateTime,-1); tuJulianDate := RegisterConversionType(cbTime,txttuJulianDate,-1); tuModifiedJulianDate := RegisterConversionType(cbTime,txttuModifiedJulianDate,-1); end; const flgal=0.0037854118; procedure RegisterVolumes; begin vuCubicMillimeters := RegisterConversionType(cbVolume,txtvuCubicMillimeters,1E-9); vuCubicCentimeters := RegisterConversionType(cbVolume,txtvuCubicCentimeters,1E-6); vuCubicDecimeters := RegisterConversionType(cbVolume,txtvuCubicDecimeters,1E-3); vuCubicMeters := RegisterConversionType(cbVolume,txtvuCubicMeters,1); vuCubicDecameters := RegisterConversionType(cbVolume,txtvuCubicDecameters,1E3); vuCubicHectometers := RegisterConversionType(cbVolume,txtvuCubicHectometers,1E6); vuCubicKilometers := RegisterConversionType(cbVolume,txtvuCubicKilometers,1E9); vuCubicInches := RegisterConversionType(cbVolume,txtvuCubicInches,1.6387064E-5); vuCubicFeet := RegisterConversionType(cbVolume,txtvuCubicFeet,0.028316847); vuCubicYards := RegisterConversionType(cbVolume,txtvuCubicYards,0.76455486); vuCubicMiles := RegisterConversionType(cbVolume,txtvuCubicMiles,4.1681818E9); vuMilliLiters := RegisterConversionType(cbVolume,txtvuMilliLiters,1E-6); vuCentiLiters := RegisterConversionType(cbVolume,txtvuCentiLiters,1E-5); vuDeciLiters := RegisterConversionType(cbVolume,txtvuDeciLiters,1E-4); vuLiters := RegisterConversionType(cbVolume,txtvuLiters,1E-3); vuDecaLiters := RegisterConversionType(cbVolume,txtvuDecaLiters,1E-2); vuHectoLiters := RegisterConversionType(cbVolume,txtvuHectoLiters,1E-1); vuKiloLiters := RegisterConversionType(cbVolume,txtvuKiloLiters,1); vuAcreFeet := RegisterConversionType(cbVolume,txtvuAcreFeet, -1); vuAcreInches := RegisterConversionType(cbVolume,txtvuAcreInches, -1); vuCords := RegisterConversionType(cbVolume,txtvuCords,128*0.028316847); vuCordFeet := RegisterConversionType(cbVolume,txtvuCordFeet,128*0.028316847); vuDecisteres := RegisterConversionType(cbVolume,txtvuDecisteres,0.1); vuSteres := RegisterConversionType(cbVolume,txtvuSteres,1); vuDecasteres := RegisterConversionType(cbVolume,txtvuDecasteres,10); vuFluidGallons := RegisterConversionType(cbVolume,txtvuFluidGallons,flgal); vuFluidQuarts := RegisterConversionType(cbVolume,txtvuFluidQuarts,0.25*flgal); vuFluidPints := RegisterConversionType(cbVolume,txtvuFluidPints,0.5*0.25*flgal); vuFluidCups := RegisterConversionType(cbVolume,txtvuFluidCups, -1); vuFluidGills := RegisterConversionType(cbVolume,txtvuFluidGills,-1); vuFluidOunces := RegisterConversionType(cbVolume,txtvuFluidOunces,1/16*0.5*0.25*flgal); vuFluidTablespoons := RegisterConversionType(cbVolume,txtvuFluidTablespoons,-1); vuFluidTeaspoons := RegisterConversionType(cbVolume,txtvuFluidTeaspoons,-1); vuDryGallons := RegisterConversionType(cbVolume,txtvuDryGallons,-1); vuDryQuarts := RegisterConversionType(cbVolume,txtvuDryQuarts,-1); vuDryPints := RegisterConversionType(cbVolume,txtvuDryPints,-1); vuDryPecks := RegisterConversionType(cbVolume,txtvuDryPecks, 0.0088097675); vuDryBuckets := RegisterConversionType(cbVolume,txtvuDryBuckets,-1); vuDryBushels := RegisterConversionType(cbVolume,txtvuDryBushels,0.03523907); vuUKGallons := RegisterConversionType(cbVolume,txtvuUKGallons,0.0045460993); vuUKPottles := RegisterConversionType(cbVolume,txtvuUKPottles,-1); vuUKQuarts := RegisterConversionType(cbVolume,txtvuUKQuarts,0.0011365248); vuUKPints := RegisterConversionType(cbVolume,txtvuUKPints,-1); vuUKGills := RegisterConversionType(cbVolume,txtvuUKGills,-1); vuUKOunces := RegisterConversionType(cbVolume,txtvuUKOunces,2.8413121E-5); vuUKPecks := RegisterConversionType(cbVolume,txtvuUKPecks,0.0090921986); vuUKBuckets := RegisterConversionType(cbVolume,txtvuUKBuckets,-1); vuUKBushels := RegisterConversionType(cbVolume,txtvuUKBushels,0.036368794); end; Procedure RegisterFamilies; Begin cbArea := RegisterConversionFamily('Area'); cbDistance := RegisterConversionFamily('Distance'); cbMass := RegisterConversionFamily('Mass'); cbTemperature := RegisterConversionFamily('Temperature'); cbTime := RegisterConversionFamily('Time'); cbVolume := RegisterConversionFamily('Volume'); End; Procedure RegisterAll; begin RegisterFamilies; RegisterVolumes; RegisterTimes; RegisterTemperature; Registermass; RegisterLengths; RegisterArea; end; initialization registerall; {$else} implementation {$endif} end.