public void TestSingle()
{
FractionFormat f = new FractionFormat("", "##");
string val = "321.321";
String ret = f.Format(val);
Assert.AreEqual("26027/81", ret);
}
internal string FormatFraction(double d)
{
int numerator, denomerator;
int intPart = (int)d;
string[] fmt = FractionFormat.Split('/');
int fixedDenominator;
if (!int.TryParse(fmt[1], out fixedDenominator))
{
fixedDenominator = 0;
}
if (d == 0 || double.IsNaN(d))
{
if (fmt[0].Trim() == "" && fmt[1].Trim() == "")
{
return(new string(' ', FractionFormat.Length));
}
else
{
return(0.ToString(fmt[0]) + "/" + 1.ToString(fmt[0]));
}
}
int maxDigits = fmt[1].Length;
string sign = d < 0 ? "-" : "";
if (fixedDenominator == 0)
{
List <double> numerators = new List <double>()
{
1, 0
};
List <double> denominators = new List <double>()
{
0, 1
};
if (maxDigits < 1 && maxDigits > 12)
{
throw (new ArgumentException("Number of digits out of range (1-12)"));
}
int maxNum = 0;
for (int i = 0; i < maxDigits; i++)
{
maxNum += 9 * (int)(Math.Pow((double)10, (double)i));
}
double divRes = 1 / ((double)Math.Abs(d) - intPart);
double result, prevResult = double.NaN;
int listPos = 2, index = 1;
while (true)
{
index++;
double intDivRes = Math.Floor(divRes);
numerators.Add((intDivRes * numerators[index - 1] + numerators[index - 2]));
if (numerators[index] > maxNum)
{
break;
}
denominators.Add((intDivRes * denominators[index - 1] + denominators[index - 2]));
result = numerators[index] / denominators[index];
if (denominators[index] > maxNum)
{
break;
}
listPos = index;
if (result == prevResult)
{
break;
}
if (result == d)
{
break;
}
prevResult = result;
divRes = 1 / (divRes - intDivRes); //Rest
}
numerator = (int)numerators[listPos];
denomerator = (int)denominators[listPos];
}
else
{
numerator = (int)Math.Round((d - intPart) / (1D / fixedDenominator), 0);
denomerator = fixedDenominator;
}
if (numerator == denomerator || numerator == 0)
{
if (numerator == denomerator)
{
intPart++;
}
return(sign + intPart.ToString(NetFormat).Replace("?", new string(' ', FractionFormat.Length)));
}
else if (intPart == 0)
{
return(sign + FmtInt(numerator, fmt[0]) + "/" + FmtInt(denomerator, fmt[1]));
}
else
{
return(sign + intPart.ToString(NetFormat).Replace("?", FmtInt(numerator, fmt[0]) + "/" + FmtInt(denomerator, fmt[1])));
}
}
public override void CopyFrom(DxfHandledObject from, CloneContext cloneContext)
{
base.CopyFrom(from, cloneContext);
DxfDimensionStyle dxfDimensionStyle = (DxfDimensionStyle)from;
this.standardFlags_0 = dxfDimensionStyle.standardFlags_0;
this.string_1 = dxfDimensionStyle.string_1;
this.string_2 = dxfDimensionStyle.string_2;
this.string_3 = dxfDimensionStyle.string_3;
this.double_0 = dxfDimensionStyle.double_0;
this.double_1 = dxfDimensionStyle.double_1;
this.double_2 = dxfDimensionStyle.double_2;
this.double_3 = dxfDimensionStyle.double_3;
this.double_4 = dxfDimensionStyle.double_4;
this.double_5 = dxfDimensionStyle.double_5;
this.double_6 = dxfDimensionStyle.double_6;
this.double_7 = dxfDimensionStyle.double_7;
this.double_8 = dxfDimensionStyle.double_8;
this.double_9 = dxfDimensionStyle.double_9;
this.double_10 = dxfDimensionStyle.double_10;
this.double_11 = dxfDimensionStyle.double_11;
this.double_12 = dxfDimensionStyle.double_12;
this.double_13 = dxfDimensionStyle.double_13;
this.double_14 = dxfDimensionStyle.double_14;
this.double_15 = dxfDimensionStyle.double_15;
this.double_16 = dxfDimensionStyle.double_16;
this.double_17 = dxfDimensionStyle.double_17;
this.bool_0 = dxfDimensionStyle.bool_0;
this.bool_1 = dxfDimensionStyle.bool_1;
this.bool_2 = dxfDimensionStyle.bool_2;
this.bool_3 = dxfDimensionStyle.bool_3;
this.bool_4 = dxfDimensionStyle.bool_4;
this.bool_5 = dxfDimensionStyle.bool_5;
this.dimensionTextVerticalAlignment_0 = dxfDimensionStyle.dimensionTextVerticalAlignment_0;
this.zeroHandling_0 = dxfDimensionStyle.zeroHandling_0;
this.zeroHandling_1 = dxfDimensionStyle.zeroHandling_1;
this.bool_6 = dxfDimensionStyle.bool_6;
this.short_0 = dxfDimensionStyle.short_0;
this.bool_7 = dxfDimensionStyle.bool_7;
this.bool_8 = dxfDimensionStyle.bool_8;
this.bool_9 = dxfDimensionStyle.bool_9;
this.bool_10 = dxfDimensionStyle.bool_10;
this.color_0 = dxfDimensionStyle.color_0;
this.color_1 = dxfDimensionStyle.color_1;
this.color_2 = dxfDimensionStyle.color_2;
this.short_1 = dxfDimensionStyle.short_1;
this.short_2 = dxfDimensionStyle.short_2;
this.alternateUnitFormat_0 = dxfDimensionStyle.alternateUnitFormat_0;
this.short_3 = dxfDimensionStyle.short_3;
this.angularUnit_0 = dxfDimensionStyle.angularUnit_0;
this.linearUnitFormat_0 = dxfDimensionStyle.linearUnitFormat_0;
this.fractionFormat_0 = dxfDimensionStyle.fractionFormat_0;
this.char_0 = dxfDimensionStyle.char_0;
this.textMovement_0 = dxfDimensionStyle.textMovement_0;
this.dimensionTextHorizontalAlignment_0 = dxfDimensionStyle.dimensionTextHorizontalAlignment_0;
this.bool_11 = dxfDimensionStyle.bool_11;
this.bool_12 = dxfDimensionStyle.bool_12;
this.toleranceAlignment_0 = dxfDimensionStyle.toleranceAlignment_0;
this.zeroHandling_2 = dxfDimensionStyle.zeroHandling_2;
this.short_4 = dxfDimensionStyle.short_4;
this.zeroHandling_3 = dxfDimensionStyle.zeroHandling_3;
this.zeroHandling_4 = dxfDimensionStyle.zeroHandling_4;
this.cursorUpdate_0 = dxfDimensionStyle.cursorUpdate_0;
this.short_5 = dxfDimensionStyle.short_5;
this.short_6 = dxfDimensionStyle.short_6;
this.arrowsTextFitType_0 = dxfDimensionStyle.arrowsTextFitType_0;
this.double_18 = dxfDimensionStyle.double_18;
this.bool_13 = dxfDimensionStyle.bool_13;
this.double_19 = dxfDimensionStyle.double_19;
this.dimensionTextBackgroundFillMode_0 = dxfDimensionStyle.dimensionTextBackgroundFillMode_0;
this.color_3 = dxfDimensionStyle.color_3;
this.arcLengthSymbolPosition_0 = dxfDimensionStyle.arcLengthSymbolPosition_0;
this.textDirection_0 = dxfDimensionStyle.textDirection_0;
this.double_20 = dxfDimensionStyle.double_20;
this.string_4 = dxfDimensionStyle.string_4;
this.double_21 = dxfDimensionStyle.double_21;
this.string_5 = dxfDimensionStyle.string_5;
}
