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Old Russian measure of length: Difference between revisions
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<pre>Similar as FreeBASIC entry.</pre>
==={{header|uBasic/4tH}}===
This program uses a command prompt. It will accept queries as long as the order ''"quantity, from unit, to unit"'' is preserved. '''EXIT''' will leave the program. Note all arithmetic is done in fixed point math, so some rounding errors are unavoidable.
<syntaxhighlight lang="basic">Do ' get in command loop
t := "" ' no token
n = Info ("nil") ' units are undefined
f = _Fmul ' first, a multiplication
o = Ask("> ") ' show the prompt
' strip trailing spaces
For x = Len (o) While Peek(o, Set(x, x-1)) = Ord(" ") : o = Clip(o, 1) : Next
Do While Len (o) ' if there is something left to parse
t = FUNC(_Parse (" ")) ' get the token
If Val (t) # Info ("nil") Then n = FUNC (_Ntof (Val (t)))
l = Name (t) ' is it a number, set it
If Line (l) Then n = FUNC (l (f, n)) : f = _Fdiv
Loop ' if it's a function, execute it
Until n = Info ("nil") ' display the result
Print Show (Str ("+?.####", FUNC(_Ftoi (n))));" ";Show (t)
Loop
End
_Parse ' parse string and get token
Param (1)
Local (3)
Do ' get only complete tokens
If Set(b@, Find(o, a@)) < 0 Then
c@ := o : o := "" ' last token, we're done
Else ' get the next token
c@ = Clip (o, Len(o) - b@) : o = Chop (o, b@+1)
EndIf
Until Len (c@) : Loop
Return (c@) ' return token
Rem 'arshin' = 0.7112, 'centimeter' = 0.01, 'diuym' = 0.0254,
Rem 'fut' = 0.3048, 'kilometer' = 1000.0, 'liniya' = 0.00254,
Rem 'meter' = 1.0, 'milia' = 7467.6, 'piad' = 0.1778,
Rem 'sazhen' = 2.1336, 'tochka' = 0.000254, 'vershok' = 0.04445,
Rem 'versta' = 1066.8
_arshin Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (711200)))))
_centimeter Param (2) : Return (FUNC(a@(b@, FUNC(_Ntof (1)))))
_diuym Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (25400)))))
_fut Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (304800)))))
_kilometer Param (2) : Return (FUNC(a@(b@, FUNC(_Ntof (100000)))))
_liniya Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (2540)))))
_meter Param (2) : Return (FUNC(a@(b@, FUNC(_Ntof (100)))))
_milia Param (2) : Return (FUNC(a@(b@, FUNC(_Ntof (746760)))))
_piad Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (177800)))))
_sazhen Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (2133600)))))
_tochka Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (254)))))
_vershok Param (2) : Return (FUNC(a@(b@, FUNC(_Itof (44450)))))
_versta Param (2) : Return (FUNC(a@(b@, FUNC(_Ntof (106680)))))
_exit Param (2) : Return (Info ("nil"))
_Fmul Param (2) : Return ((a@*b@)/16384)
_Fdiv Param (2) : Return ((a@*16384)/b@)
_Ftoi Param (1) : Return ((10000*a@)/16384)
_Itof Param (1) : Return ((16384*a@)/10000)
_Ntof Param (1) : Return (a@*16384)
</syntaxhighlight>
{{Out}}
<pre>> convert 1 meter to fut
3.2808 fut
> convert 10 diuym to centimeter
25.3997 centimeter
> how much is 1 fut in diuym
12.0000 diuym
> 20 diuym in tochka
2000.7211 tochka
> 1 milia = versta
7.0000 versta
> exit
0 OK, 0:1014 </pre>
==={{header|Yabasic}}===
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=={{header|Elena}}==
{{trans|Julia}}
ELENA
<syntaxhighlight lang="elena">import system'collections;
import system'routines;
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{
if (program_arguments.Length != 3)
{ console.writeLine
real value := program_arguments[1].toReal();
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{
console.printLine("only following units are supported:",
unit2mult.selectBy::(x=>x.Item1).asEnumerable());
AbortException.raise()
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console.printLine(value," ",unit," to:");
unit2mult.forEach::(u,mlt)
{
console.printPaddingLeft(30, u, ":").printLine(value * unit2mult[unit] / mlt)
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