--- /dev/null
+# unit convertor for DCT, by Shiar
+
+# 1.09.1 200410022305 - moved %unit specs from 1.9 main
+# 1.09.2 200410112205 - all code moved here as well
+# 1.10.1 200410122030 - hp49 units for area, volume, time, speed, force, energy, power
+# .2 2200 - adds submenus with all units
+# .3 10130000 - fix error when run without menu module
+# .4 10132300 - hp49 units for mass
+
+use strict;
+use warnings;
+use utf8;
+
+my $menugroup = addmenu(["main", 0], "unit") if defined &addmenu;
+
+my %unit; # unit table (build below)
+my $i = 0; # unit group counter (temporary)
+do {
+ $i++; # next group
+ my $title = shift @$_; # first element is group title, no unit
+ addmenu(["unit", $menugroup], $title, map "_$_->[0]", @$_) if defined &addmenu;
+ $unit{$_->[0]} = {
+ type=>$i, name=>$_->[0], val=>$_->[1], desc=>$_->[2], diff=>$_->[3]
+ } for @$_;
+} for (
+ [
+ "length",
+ ['m', 1, "metre"],
+ ['cm', .01, "centimeter"],
+ ['mm', .001, "millimeter"],
+ ['yd', .0254*36, "yard"],
+ ['ft', .0254*12, "feet"],
+ ['in', .0254, "inch"],
+ ['Mpc', 3.085_677_581_3*10**22, "Mega parsec"],
+ ['pc', 3.085_677_581_3*10**16, "parsec"], # 180*60*60/pi au
+ ['lyr', 299_792_458*86_400*365.25, "light-year"], # c0*(seconds/year) - 9.46052840488e+15
+ ['au', 149_597_870.691*30, "astronomical unit"],
+ ['km', 1000, "kilometer"],
+ ['mi', .0254*12*5280, "international mile"],
+ ['nmi', 1852, "nautical mile"],
+ ['miUS', 1200/3937*5280, "US statute mile"],
+ ['chain', .0254*12*66, "Gunter's chain"],
+ ['rd', .0254*198, "rod/pole/perch"],
+ ['fath', .0254*72, "fathom"],
+ ['ftUS', 1200/3937, "survey foot"],
+ ['Mil', 2.54e-5, "Mil/thou"],
+ ['μ', 1e-6, "micron"], # μm
+ ['Å', 1e-10, "ångström"], # .1nm
+ ['fermi', 1e-15, "fermi"], # 1fm
+# ['a0', .291_772_083*10**-11*19e-20, "atomic unit of length"],
+# ['ell', .0254*45, "ell"],
+# ['rope', .0254*12*20, "rope"],
+# TI86 order: mm cm m in ft yd km mile mmile lt-yr mil Ang fermi rod fath
+ ], # lengths
+ [
+ "area",
+ ['m²', 1, "square metre"],
+ ['cm²', .01**2, "square centimetre"],
+ ['b', 1e-28, "barn"],
+ ['yd²', (.0254*36)**2, "square yard"],
+ ['ft²', (.0254*12)**2, "square feet"],
+ ['in²', (.0254)**2, "square inch"],
+ ['km²', 1_000_000, "square kilometre"],
+ ['ha', 10_000, "hectare"],
+ ['a', 100, "are"],
+ ['mi²', (.0254*12*5280)**2, "square mile"],
+ ['miUS²', (1200/3937*5280)**2, "square statute mile"],
+ ['acre', (.0254*12*66)**2*10, "acre"],
+# ['chain²', (.0254*12*66)**2, "square Gunter's chain"],
+# ['ba', .0254**2*12, "board"],
+ ], # area
+ [
+ "volume", #todo
+ ['m³', 1, "cubic metre"],
+# ['st', 0, "stere"],
+ ['cm³', 1e-6, "cubic centimetre"],
+ ['yd³', (.0254*36)**3, "cubic yard"],
+ ['ft³', (.0254*12)**3, "cubic feet"],
+ ['in³', (.0254)**3, "cubic inch"],
+ ['l', 100, "litre"],
+ ['galUK', .045_460_9, "Imperial gallon"],
+ ['galC', 0, "Canadian gallon"],
+ ['gal', 0, "US gallon"],
+ ['qt', 0, "quart"],
+ ['pt', 0, "pint"],
+ ['ml', 100e6, "mililitre"],
+ ['cu', 0, "US cup"],
+ ['ozfl', 0, "US fluid ounce"],
+ ['ozUK', 0, "UK fluid ounce"],
+ ['tbsp', 0, "tablespoon"],
+ ['tsp', 0, "teaspoon"],
+ ['bbl', 0, "barrel"],
+ ['bu', 0, "bushel"],
+ ['pk', 0, "peck"],
+ ['fbm', 0, "board foot"],
+ ], # volume
+ [
+ "time",
+ ['yr', 365.2425*86_400, "year (Gregorian)"],
+ ['d', 86_400, "day"],
+ ['h', 3_600, "hour"],
+ ['min', 60, "minute"],
+ ['s', 1, "second"],
+# ['Hz', 1, "hertz"],
+ ['week', 604_800, "week"], # new
+# ['au', 2.418_884_254e-17, "atomic unit of time"], # a[0]/(α*c)
+ ], # time
+ [
+ "speed",
+ ['m/s', 1, "meter per second"],
+ ['cm/s', 100, "centimeter per second"],
+ ['ft/s', 8.466_667e-5, "feet per second"],
+ ['kph', 2.777_778e-1, "kilometer per hour"],
+ ['mph', .447_04, "mile per hour"],
+# ['mph', .447_041, "statute mile per hour"],
+ ['knot', .514_444, "nautical miles per hour"],
+ ['c', 2.997_924_58e8, "speed of light in vacuum"],
+# ['ga', 0, "acceleration of gravity"],
+ ], # speed
+ [
+ "mass",
+ ['kg', 1, "kilogram"],
+ ['g', 1e-3, "gram"],
+ ['Lb', .453_592_37, "avoirdupois pound"],
+ ['oz', 28.349_523_125, "ounce"],
+ ['slug', 14.593_903, "slug"],
+ ['lbt', .373_241_721_6, "Troy pound"],
+ ['ton', 907.184_74, "short ton"],
+ ['tonUK', 1016.046_908_8, "long ton"],
+ ['t', 1000, "tonne (metric ton)"],
+ ['ozt', .031_103_476_8, "Troy ounce"],
+ ['ct', 64.798_91e-6*19/6, "carat"], # 3+1/6 gr
+# ['kt', 200e-6, "metric carat"], # new
+ ['grain', 64.798_91e-6, "grain"],
+ ['u', 1.660_538_73e-27 * 13e-35, "unified atomic mass"],
+# ['mol', 0, "mole"], # mole = g/u
+ ], # mass
+ [
+ "force",
+ ['N', 1, "newton"], # kg*m/s²
+ ['dyn', 1e-5, "dyne"],
+ ['gf', 9_806.65, "gram-force"],
+ ['kip', 4.448_221_615_260_500_0, "kilopound-force"],
+ ['lbf', 4.448_221_615_260_5, "pound-force"],
+ ['pdl', .138_254_954_376, "poundal"], # lb*ft/s²
+ ['kgf', 9.806_65, "kilogram-force/grave"],
+ ], # force
+ [
+ "energy",
+ ['J', 1, "joule"], # N*m
+ ['erg', 1e-7, "erg"], # g*cm²/s²
+ ['Kcal', 4_186.8, "kilocalorie"],
+ ['Cal', 4.186_8, "calorie"],
+ ['Btu', 1_055.055_852_62, "International table btu"],
+ ['ft*lbf', 1.355_817_948_331_400_4, "foot-pound"],
+ ['therm', 105_505_585.262, "EEC therm"],
+ ['MeV', 1/6.241_509_629_152_65e12, "mega electron-volt"],
+ ['eV', 1/6.241_509_629_152_65e18, "electron-volt"],
+ ], # energy
+ [
+ "power",
+ ['W', 1, "watt"],
+ ['hp', 735.498_75, "horse power"],
+ ], # power
+# [
+# "pressure",
+# ], # pressure
+ [
+ "temperature", #todo
+ ['°C', 1, "degree Celsius", 273.15],
+ ['°F', 5/9, "degree Fahrenheit", 459.67],
+ ['K', 1, "Kelvin"],
+ ['°R', 5/9, "degree Rankine"],
+ ], # temperature
+# [], # electric current
+# [], # angle
+# [], # light
+# [], # radiation
+# [], # viscosity
+); # units table
+
+push @{$hook{precmd}}, sub {
+ if ($_ =~ /^_/) {{
+ $_ = $unit{substr $_, 1} or next;
+ if (exists $val{unit} and $val{unit}{type}==$_->{type}) {
+ unshift @stack, $val{i} if defined $val{i};
+# $stack[0] -= $_->{diff} if $_->{diff};
+# $stack[0] += $val{unit}{diff}*$val{unit}{val}/$_->{val} if $val{unit}{diff};
+ $stack[0] *= delete($val{unit})->{val} / $_->{val};
+ showstack();
+ undef %val;
+ } # convert
+ else {
+ $val{unit} = $_;
+ } # set source unit
+ return 1;
+ }} # conversion
+}; # precmd
+
+push @{$hook{postentry}}, sub {
+ exists $val{unit} && '_'.$val{unit}{name};
+}; # showentry
+
+return {
+ author => "Shiar",
+ title => "unit convertor",
+ version => "1.10.4",
+};
+
git.shiar.nl / descalc.git / blobdiff