public static void AssertDecFrac(ExtendedDecimal d3, string output, string name)
{
if(output==null && d3!=null)Assert.Fail(name+": d3 must be null");
if(output!=null && !d3.ToString().Equals(output)){
ExtendedDecimal d4=ExtendedDecimal.FromString(output);
Assert.AreEqual(output,d3.ToString(),(
name+": expected: ["+(d4.UnsignedMantissa).ToString()+","+(d4.Exponent).ToString()+"]\\n"+
"but was: ["+(d3.UnsignedMantissa).ToString()+","+(d3.Exponent).ToString()+"]"
)); }
}
/// <include file='../docs.xml'
/// path='docs/doc[@name="M:PeterO.TrapException.#ctor(System.Int32,PeterO.PrecisionContext,System.Object)"]/*'/>
public TrapException(int flag, PrecisionContext ctx, Object result)
: base(String.Empty)
{
Object wrappedResult = result;
var ed = result as EDecimal;
var er = result as ERational;
var ef = result as EFloat;
if (ed != null) {
wrappedResult = new ExtendedDecimal(ed);
}
if (er != null) {
wrappedResult = new ExtendedRational(er);
}
if (ef != null) {
wrappedResult = new ExtendedFloat(ef);
}
this.ete = new ETrapException(
flag,
ctx == null ? null : ctx.Ec,
wrappedResult);
}
private static decimal ExtendedDecimalToDecimal(ExtendedDecimal decfrac)
{
ExtendedDecimal newDecimal=decfrac.RoundToBinaryPrecision(
PrecisionContext.CliDecimal);
if(newDecimal==null)
throw new OverflowException("This object's value is out of range");
return EncodeDecimal(BigInteger.Abs(newDecimal.Mantissa),
-((int)(newDecimal.Exponent)),
newDecimal.Mantissa.Sign<0);
}
public static EDecimal FromLegacy(ExtendedDecimal ed)
{
return(ExtendedDecimal.FromLegacy(ed));
}
public static ExtendedDecimal ToLegacy(EDecimal ed)
{
return(ExtendedDecimal.ToLegacy(ed));
}
public void TestExtendedFloatDecFrac()
{
ExtendedFloat bf;
bf = ExtendedFloat.FromInt64(20);
Assert.AreEqual("20", ExtendedDecimal.FromExtendedFloat(bf).ToString());
bf = new ExtendedFloat((BigInteger)3, (BigInteger)(-1));
Assert.AreEqual("1.5", ExtendedDecimal.FromExtendedFloat(bf).ToString());
bf = new ExtendedFloat((BigInteger)(-3), (BigInteger)(-1));
Assert.AreEqual("-1.5", ExtendedDecimal.FromExtendedFloat(bf).ToString());
ExtendedDecimal df;
df = ExtendedDecimal.FromInt64(20);
Assert.AreEqual("20", df.ToExtendedFloat().ToString());
df = ExtendedDecimal.FromInt64(-20);
Assert.AreEqual("-20", df.ToExtendedFloat().ToString());
df = new ExtendedDecimal((BigInteger)15, (BigInteger)(-1));
Assert.AreEqual("1.5", df.ToExtendedFloat().ToString());
df = new ExtendedDecimal((BigInteger)(-15), (BigInteger)(-1));
Assert.AreEqual("-1.5", df.ToExtendedFloat().ToString());
}
private string DecFracString(ExtendedDecimal df)
{
return "ExtendedDecimal.FromString(\""+df.ToString()+"\")";
}
public static EDecimal FromLegacy(ExtendedDecimal ed) {
return ExtendedDecimal.FromLegacy(ed);
}
