Suffixation of decimal numbers: Difference between revisions
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</pre>
=={{header|VBA}}==
VBA has support for 64 bit integers on 64 bit platforms. The program below was developed on a 32 bit platform.
<lang vb>Private Function suffize(number As String, Optional sfractiondigits As String, Optional base As String) As String
Dim suffix As String, parts() As String, exponent As String
Dim fractiondigits As Integer, nsuffix As Integer, flag As Boolean
flag = False
fractiondigits = Val(sfractiondigits)
suffixes = " KMGTPEZYXWVU"
number = Replace(number, ",", "", 1)
Dim c As Currency
Dim sign As Integer
'separate leading sign
If Left(number, 1) = "-" Then
number = Right(number, Len(number) - 1)
outstring = "-"
End If
If Left(number, 1) = "+" Then
number = Right(number, Len(number) - 1)
outstring = "+"
End If
'split exponent
parts = Split(number, "e")
number = parts(0)
If UBound(parts) > 0 Then exponent = parts(1)
'split fraction
parts = Split(number, ".")
number = parts(0)
If UBound(parts) > 0 Then frac = parts(1)
If base = "2" Then
Dim cnumber As Currency
cnumber = Val(number)
nsuffix = 0
Dim dnumber As Double
If cnumber > 1023 Then
cnumber = cnumber / 1024@
nsuffix = nsuffix + 1
dnumber = cnumber
Do While dnumber > 1023
dnumber = dnumber / 1024@ 'caveat: currency has only 4 fractional digits ...
nsuffix = nsuffix + 1
Loop
number = CStr(dnumber)
Else
number = CStr(cnumber)
End If
leadingstring = Int(number)
number = Replace(number, ",", "")
leading = Len(leadingstring)
suffix = Mid(suffixes, nsuffix + 1, 1)
Else
'which suffix
nsuffix = (Len(number) + Val(exponent) - 1) \ 3
If nsuffix < 13 Then
suffix = Mid(suffixes, nsuffix + 1, 1)
leading = (Len(number) - 1) Mod 3 + 1
leadingstring = Left(number, leading)
Else
flag = True
If nsuffix > 32 Then
suffix = "googol"
leading = Len(number) + Val(exponent) - 99
leadingstring = number & frac & String$(Val(exponent) - 100 - Len(frac), "0")
Else
suffix = "U"
leading = Len(number) + Val(exponent) - 35
If Val(exponent) > 36 Then
leadingstring = number & String$(Val(exponent) - 36, "0")
Else
leadingstring = Left(number, (Len(number) - 36 + Val(exponent)))
End If
End If
End If
End If
'round up if necessary
If fractiondigits > 0 Then
If Val(Mid(number, leading + fractiondigits + 1, 1)) >= 5 Then
fraction = Mid(number, leading + 1, fractiondigits - 1) & _
CStr(Val(Mid(number, leading + fractiondigits, 1)) + 1)
Else
fraction = Mid(number, leading + 1, fractiondigits)
End If
Else
If Val(Mid(number, leading + 1, 1)) >= 5 And sfractiondigits <> "" And sfractiondigits <> "," Then
leadingstring = Mid(number, 1, leading - 1) & _
CStr(Val(Mid(number, leading, 1)) + 1)
End If
End If
If flag Then
If sfractiondigits = "" Or sfractiondigits = "," Then
fraction = ""
End If
Else
If sfractiondigits = "" Or sfractiondigits = "," Then
fraction = Right(number, Len(number) - leading)
End If
End If
outstring = outstring & leadingstring
If Len(fraction) > 0 Then
outstring = outstring & "." & fraction
End If
If base = "2" Then
outstring = outstring & suffix & "i"
Else
outstring = outstring & suffix
End If
suffize = outstring
End Function
Sub program()
Dim s(10) As String, t As String, f As String, r As String
Dim tt() As String, temp As String
s(0) = " 87,654,321"
s(1) = " -998,877,665,544,332,211,000 3"
s(2) = " +112,233 0"
s(3) = " 16,777,216 1"
s(4) = " 456,789,100,000,000 2"
s(5) = " 456,789,100,000,000 2 10"
s(6) = " 456,789,100,000,000 5 2"
s(7) = " 456,789,100,000.000e+00 0 10"
s(8) = " +16777216 , 2"
s(9) = " 1.2e101"
For i = 0 To 9
ReDim tt(0)
t = Trim(s(i))
Do
temp = t
t = Replace(t, " ", " ")
Loop Until temp = t
tt = Split(t, " ")
If UBound(tt) > 0 Then f = tt(1) Else f = ""
If UBound(tt) > 1 Then r = tt(2) Else r = ""
Debug.Print String$(48, "-")
Debug.Print " input number = "; tt(0)
Debug.Print " fraction digs = "; f
Debug.Print " specified radix = "; r
Debug.Print " new number = "; suffize(tt(0), f, r)
Next i
End Sub</lang>
{{out|output|text= when using the internal default inputs:}}
<pre>------------------------------------------------
input number = 87,654,321
fraction digs =
specified radix =
new number = 87.654321M
------------------------------------------------
input number = -998,877,665,544,332,211,000
fraction digs = 3
specified radix =
new number = -998.878E
------------------------------------------------
input number = +112,233
fraction digs = 0
specified radix =
new number = +112K
------------------------------------------------
input number = 16,777,216
fraction digs = 1
specified radix =
new number = 16.8M
------------------------------------------------
input number = 456,789,100,000,000
fraction digs = 2
specified radix =
new number = 456.79T
------------------------------------------------
input number = 456,789,100,000,000
fraction digs = 2
specified radix = 10
new number = 456.79T
------------------------------------------------
input number = 456,789,100,000,000
fraction digs = 5
specified radix = 2
new number = 415.44727Ti
------------------------------------------------
input number = 456,789,100,000.000e+00
fraction digs = 0
specified radix = 10
new number = 457G
------------------------------------------------
input number = +16777216
fraction digs = ,
specified radix = 2
new number = +16Mi
------------------------------------------------
input number = 1.2e101
fraction digs =
specified radix =
new number = 12googol</pre>
=={{header|zkl}}==
Uses GMP (GNU Multiple Precision Arithmetic Library for big ints.
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