SanskritNumbers.fsp - Frink Server Pages Highlighter

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  <TITLE>Sanskrit Number Converter</TITLE>
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<BODY onLoad="ans.focus()">
<% use ../IndianAstronomy.frink %>
  <H1>Sanskrit Number Converter</H1>

  <A NAME="S2D"><H2>Sanskrit to Decimal</H2></A>
  <P>
   Enter Sanskrit numbers in the form १४।१२।१३ using the buttons below or in the Neugebauer form
   (e.g. 14;12,13).
  </P>

  <%
     if n
     {
       dev = numberToDevanagari[n]
       neu = DevanagariToNeugebauer[dev]
       equiv = parseDevanagariFraction[dev]
       ne = equiv div 1
       fe = equiv - ne
       dequiv = 1.0 equiv
       println["<DIV CLASS=\"back\">"]
       println["""<P>
        <SPAN STYLE="font-size:x-large">$dev<BR>$neu</SPAN>
       </P>"""]

       if (fe != 0)
          println["""<P><SPAN STYLE="font-size:large">   = $ne + $fe</SPAN></P>"""]
       println["""<P><SPAN STYLE="font-size:large">   = $dequiv</SPAN></P>"""]
       println["""<P><SPAN STYLE="font-size:large">   = $equiv</SPAN></P>"""]
       println["</DIV>"]
    }
  %>

  <FORM METHOD="POST" ACTION="SanskritNumbers.fsp#S2D">
  <P>
    Number:<BR>
    <INPUT TYPE="TEXT" NAME="n" ID="n"><BR>
    <INPUT TYPE="BUTTON" VALUE="० : 0" onClick="inf.value=inf.value+'\u0966'">
    <INPUT TYPE="BUTTON" VALUE="१ : 1" onClick="inf.value=inf.value+'\u0967'">
    <INPUT TYPE="BUTTON" VALUE="२ : 2" onClick="inf.value=inf.value+'\u0968'">
    <INPUT TYPE="BUTTON" VALUE="३ : 3" onClick="inf.value=inf.value+'\u0969'">
    <INPUT TYPE="BUTTON" VALUE="४ : 4" onClick="inf.value=inf.value+'\u096a'">
    <INPUT TYPE="BUTTON" VALUE="५ : 5" onClick="inf.value=inf.value+'\u096b'">
    <INPUT TYPE="BUTTON" VALUE="६ : 6" onClick="inf.value=inf.value+'\u096c'">
    <INPUT TYPE="BUTTON" VALUE="७ : 7" onClick="inf.value=inf.value+'\u096d'">
    <INPUT TYPE="BUTTON" VALUE="८ : 8" onClick="inf.value=inf.value+'\u096e'">
    <INPUT TYPE="BUTTON" VALUE="९ : 9" onClick="inf.value=inf.value+'\u096f'">
     
    <INPUT TYPE="BUTTON" VALUE="।" onClick="inf.value=inf.value+'\u0964'">
    <BR>
    <INPUT TYPE="SUBMIT" VALUE="Convert">
   </P>

  </FORM>

  <A NAME="D2S"><H2>Decimal to Sanskrit</H2></A>
  <P>
   Enter a decimal number or fraction in the form 1.234, or 1/45, 1+1/2, or
   (equivalently,) 1 1/2.  In fact, since this is powered by <A HREF="/frinkdocs/">Frink</A>, you can enter any
    mathematical expression including dimensionless constants like "pi" or "e".
  </P>

  <% if digits
     {
        td = trim[digits]
        if td =~ %r/\d+/
           digits = parseInt[td]
        else
           digits = 8
     } else
        digits = 8

     if dec
     {
        dec =~ %s/(\d+)\s+(\d+)/$1+$2/
        num = eval[dec]
        nstr = sexagesimal[num, digits]
        dstr = numberToDevanagari[nstr]
        reconv = parseDevanagariFraction[dstr]
        err = abs[num - reconv]
       println["<DIV CLASS=\"back\">"]
       println["""<P><SPAN STYLE="font-size:large">$dec =</SPAN></P>
        <P><SPAN STYLE="font-size:x-large">  $nstr</SPAN> (Neugebauer form)<BR>
        <SPAN STYLE="font-size:x-large">  $dstr</SPAN> (Devanagari form)</P>"""]
        if (err == 0)
           println["<P>(result is exact.)</P>"]
        else
           println["<P>Error = $err due to truncation to $digits digits.</P>"]
       println["</DIV>"]
     }
  %>

  <FORM METHOD="POST" ACTION="SanskritNumbers.fsp#D2S" NAME="f2">
  <P>
   Number: <INPUT TYPE="TEXT" NAME="dec" ID="dec">
   Max. sexagesimal digits: <INPUT TYPE="TEXT" NAME="digits" SIZE="2" VALUE="$digits"><BR>
   <INPUT TYPE="SUBMIT" VALUE="Convert">
  </P>
  </FORM>

  <SCRIPT TYPE="text/javascript">
    var ans = document.getElementById("<%= dec ? "dec" : "n" %>");
    var inf = document.getElementById("n");
    ans.focus();
  </SCRIPT>

  <HR>
  <P>
   <I>Comments or questions to <A HREF="mailto:eliasen@mindspring.com">Alan Eliasen</A></I>.
  </P>

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SanskritNumbers.fsp - Frink Server Pages highlighter