// publics
#region FromByteArray
public static double FromByteArray(byte[] bytes)
{
double wert = 0;
Int16 value = (Int16)Types.Word.FromBytes(bytes[1], bytes[0]);
string txt = Conversion.ValToBinString(value);
wert = Conversion.BinStringToInt(txt.Substring(4, 4)) * 100.0;
wert += Conversion.BinStringToInt(txt.Substring(8, 4)) * 10.0;
wert += Conversion.BinStringToInt(txt.Substring(12, 4));
switch (txt.Substring(2, 2))
{
case "00":
wert *= 0.01;
break;
case "01":
wert *= 0.1;
break;
case "10":
wert *= 1.0;
break;
case "11":
wert *= 10.0;
break;
}
return(wert);
}
// publics
#region FromByteArray
public static double FromByteArray(byte[] bytes)
{
byte v1 = bytes[0];
byte v2 = bytes[1];
byte v3 = bytes[2];
byte v4 = bytes[3];
if ((int)v1 + v2 + v3 + v4 == 0)
{
return(0.0);
}
else
{
// nun String bilden
string txt = ValToBinString(v1) + ValToBinString(v2) + ValToBinString(v3) + ValToBinString(v4);
// erstmal das Vorzeichen
int vz = int.Parse(txt.Substring(0, 1));
int exd = Conversion.BinStringToInt(txt.Substring(1, 8));
string ma = txt.Substring(9, 23);
double mantisse = 1;
double faktor = 1.0;
//das ist die Anzahl der restlichen bit's
for (int cnt = 0; cnt <= 22; cnt++)
{
faktor = faktor / 2.0;
//entspricht 2^-y
if (ma.Substring(cnt, 1) == "1")
{
mantisse = mantisse + faktor;
}
}
return(Math.Pow((-1), vz) * Math.Pow(2, (exd - 127)) * mantisse);
}
}
