/// <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);
}
public static ExtendedFloat FromString(
string str,
int offset,
int length,
PrecisionContext ctx)
{
try {
return(new ExtendedFloat(
EFloat.FromString(
str,
offset,
length,
ctx == null ? null : ctx.Ec)));
} catch (ETrapException ex) {
throw TrapException.Create(ex);
}
}
/// <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);
}
/// <summary> Initializes a new PrecisionContext that is a copy of another
/// PrecisionContext. </summary>
/// <returns>A PrecisionContext object.</returns>
public PrecisionContext Copy() {
PrecisionContext pcnew=new PrecisionContext(0,this.rounding,
0,0,this.clampNormalExponents);
pcnew.hasFlags = this.hasFlags;
pcnew.flags = this.flags;
pcnew.exponentMax = this.exponentMax;
pcnew.exponentMin = this.exponentMin;
pcnew.hasExponentRange = this.hasExponentRange;
pcnew.bigintPrecision = this.bigintPrecision;
pcnew.rounding = this.rounding;
pcnew.clampNormalExponents = this.clampNormalExponents;
return pcnew;
}
private PrecisionContext SetRounding(PrecisionContext ctx, string round)
{
if(round.Equals(">"))ctx=ctx.WithRounding(Rounding.Ceiling);
if(round.Equals("<"))ctx=ctx.WithRounding(Rounding.Floor);
if(round.Equals("0"))ctx=ctx.WithRounding(Rounding.Down);
if(round.Equals("=0"))ctx=ctx.WithRounding(Rounding.HalfEven);
if(round.Equals("h>"))ctx=ctx.WithRounding(Rounding.HalfUp);
if(round.Equals("h<"))ctx=ctx.WithRounding(Rounding.HalfDown);
return ctx;
}
private string RoundingString(PrecisionContext ctx, string round)
{
if(round.Equals(">"))return ".WithRounding(Rounding.Ceiling)";
if(round.Equals("<"))return ".WithRounding(Rounding.Floor)";
if(round.Equals("0"))return ".WithRounding(Rounding.Down)";
if(round.Equals("=0"))return ".WithRounding(Rounding.HalfEven)";
if(round.Equals("h>"))return ".WithRounding(Rounding.HalfUp)";
if(round.Equals("h<"))return ".WithRounding(Rounding.HalfDown)";
if(round.Equals("+"))return ".WithRounding(Rounding.Up)";
if(round.Equals("u"))return ".WithRounding(Rounding.Unnecessary)";
return "";
}
