public override System.Object eval(FormInstance model, EvaluationContext evalContext)
{
System.Object aval = XPathFuncExpr.unpack(a.eval(model, evalContext));
System.Object bval = XPathFuncExpr.unpack(b.eval(model, evalContext));
bool eq = false;
if (aval is System.Boolean || bval is System.Boolean)
{
if (!(aval is System.Boolean))
{
aval = XPathFuncExpr.toBoolean(aval);
}
else if (!(bval is System.Boolean))
{
bval = XPathFuncExpr.toBoolean(bval);
}
bool ba = ((System.Boolean)aval);
bool bb = ((System.Boolean)bval);
eq = (ba == bb);
}
else if (aval is System.Double || bval is System.Double)
{
if (!(aval is System.Double))
{
aval = XPathFuncExpr.toNumeric(aval);
}
else if (!(bval is System.Double))
{
bval = XPathFuncExpr.toNumeric(bval);
}
double fa = ((System.Double)aval);
double fb = ((System.Double)bval);
eq = System.Math.Abs(fa - fb) < 1.0e-12;
}
else
{
aval = XPathFuncExpr.toString(aval);
bval = XPathFuncExpr.toString(bval);
eq = (aval.Equals(bval));
}
return(equal?eq:!eq);
}
public override Object eval(FormInstance model, EvaluationContext evalContext)
{
Object aval = XPathFuncExpr.unpack(a.eval(model, evalContext));
Object bval = XPathFuncExpr.unpack(b.eval(model, evalContext));
Boolean eq = false;
if (aval is Boolean || bval is Boolean)
{
if (!(aval is Boolean))
{
aval = XPathFuncExpr.toBoolean(aval);
}
else if (!(bval is Boolean))
{
bval = XPathFuncExpr.toBoolean(bval);
}
Boolean ba = ((Boolean)aval);
Boolean bb = ((Boolean)bval);
eq = (ba == bb);
}
else if (aval is Double || bval is Double)
{
if (!(aval is Double))
{
aval = XPathFuncExpr.toNumeric(aval);
}
else if (!(bval is Double))
{
bval = XPathFuncExpr.toNumeric(bval);
}
double fa = ((Double)aval);
double fb = ((Double)bval);
eq = Math.Abs(fa - fb) < 1.0e-12;
}
else
{
aval = XPathFuncExpr.ToString(aval);
bval = XPathFuncExpr.ToString(bval);
eq = (aval.Equals(bval));
}
return((Boolean)(equal ? eq : !eq));
}
