protected override void ParseText()
{
var expression = Text.Trim().Replace(",", ".");
if (string.IsNullOrWhiteSpace(expression))
{
Value = DefaultValue;
Result = DefaultValue;
}
else
{
try
{
_suppressEvent = true;
Result = _calculator.Evaluate(expression);
Value = Result;
}
catch (DivideByZeroException)
{
// ignore it
}
catch (SyntaxException)
{
// ignore it
}
finally
{
_suppressEvent = false;
}
}
}
public void Calc()
{
var w = new Stopwatch();
w.Start();
var calc = new CalcContext <decimal>();
calc.Constants.Add("j", 5);
calc.Constants.Add("j12", 2);
calc.Constants.Add("j1", 3);
Console.WriteLine(calc.Evaluate("j"));
Console.WriteLine(calc.Evaluate("j+j12"));
Console.WriteLine(calc.Evaluate("j+j1/2+j"));
w.Stop();
Console.WriteLine(w.Elapsed);
}
public IEnumerable<CoefficientValue> CalculateCoefficientValues(IEnumerable<IndicatorValue> indicatorValues, IEnumerable<Dossier> dossiers, IEnumerable<Coefficient> coefficients)
{
var coefficientValues = new List<CoefficientValue>();
if (dossiers.Select(o => o.FieldsetId).Distinct().Count() > 1)
throw new AsmsEx("in luna respectiva sunt dosare inregistrate la diferite seturi de campuri");
if (dossiers.Select(o => o.MeasuresetId).Distinct().Count() > 1)
throw new AsmsEx("in luna respectiva sunt dosare inregistrate la diferite seturi de masuri");
//calculate each coefficient for all dossiers
foreach (var coefficient in coefficients)
{
EvalSums(coefficient, indicatorValues);
var calc = new CalcContext<decimal>();
foreach (var dossier in dossiers)
{
calc.Constants.Clear();
foreach (var indicatorValue in indicatorValues.Where(o => o.DossierId == dossier.Id))
{
calc.Constants.Add("i" + indicatorValue.IndicatorId, indicatorValue.Value);
}
coefficientValues.Add(new CoefficientValue
{
CoefficientId = coefficient.Id,
DossierId = dossier.Id,
Value = Zero(() => calc.Evaluate(coefficient.Formula)),
});
}
}
return coefficientValues;
}
public void CalcMethod()
{
var calc = new CalcContext <decimal>();
calc.Constants.Add("i2", 23);
calc.Functions.Add("sumai", o => o);
calc.Culture = CultureInfo.InvariantCulture;
Console.WriteLine(calc.Evaluate("sumai(i2)"));
}
public void DoCalc()
{
var z = eMathTextBox.Text;
z = z.Replace(",", ".");
try
{
var calc = new CalcContext <double>();
Value = calc.Evaluate(z);
}
catch
{
//error
}
Modificato = false;
}
public decimal?Calculate(BudgetCalculatorEquation equation)
{
StringBuilder expressionBuilder = new StringBuilder();
foreach (var item in equation.Items)
{
switch (item.ValueType)
{
case CalculatorValueType.UserValue:
expressionBuilder.Append(item.Value.GetValueOrDefault(0));
break;
case CalculatorValueType.Operator:
expressionBuilder.AppendFormat(" {0} ", item.OperatorType.ToMath());
break;
default:
if (item.Evaluator == null)
{
AttachEvaluator(item);
}
var value = item.CalculateValue();
if (value.HasValue)
{
expressionBuilder.Append(value.Value);
}
break;
}
}
var expression = expressionBuilder.ToString().Replace(",", ".");
try
{
var result = _calculator.Evaluate(expression);
return(result);
}
catch (SyntaxException)
{
return(null);
}
}
public IEnumerable <CoefficientValue> CalculateCoefficientValues(IEnumerable <IndicatorValue> indicatorValues, IEnumerable <Dossier> dossiers, IEnumerable <Coefficient> coefficients)
{
var coefficientValues = new List <CoefficientValue>();
if (dossiers.Select(o => o.FieldsetId).Distinct().Count() > 1)
{
throw new AsmsEx("in luna respectiva sunt dosare inregistrate la diferite seturi de campuri");
}
if (dossiers.Select(o => o.MeasuresetId).Distinct().Count() > 1)
{
throw new AsmsEx("in luna respectiva sunt dosare inregistrate la diferite seturi de masuri");
}
//calculate each coefficient for all dossiers
foreach (var coefficient in coefficients)
{
EvalSums(coefficient, indicatorValues);
var calc = new CalcContext <decimal>();
foreach (var dossier in dossiers)
{
calc.Constants.Clear();
foreach (var indicatorValue in indicatorValues.Where(o => o.DossierId == dossier.Id))
{
calc.Constants.Add("i" + indicatorValue.IndicatorId, indicatorValue.Value);
}
coefficientValues.Add(new CoefficientValue
{
CoefficientId = coefficient.Id,
DossierId = dossier.Id,
Value = Zero(() => calc.Evaluate(coefficient.Formula)),
});
}
}
return(coefficientValues);
}
public IEnumerable <IndicatorValue> CalculateIndicatorValues(Dossier dossier, IEnumerable <FieldValue> fieldValues, IEnumerable <Indicator> indicators)
{
var calc = new CalcContext <decimal>();
foreach (var o in fieldValues)
{
calc.Constants.Add("c" + o.FieldId, o.Value);
}
var indicatorValues = indicators
.Select(
indicator =>
new IndicatorValue
{
DossierId = dossier.Id,
IndicatorId = indicator.Id,
Value = Zero(() =>
calc.Evaluate(
indicators.Where(i => i.Id == indicator.Id).Single().Formula))
}).ToList();
return(indicatorValues);
}
public IEnumerable<IndicatorValue> CalculateIndicatorValues(Dossier dossier, IEnumerable<FieldValue> fieldValues, IEnumerable<Indicator> indicators)
{
var calc = new CalcContext<decimal>();
foreach (var o in fieldValues)
{
calc.Constants.Add("c" + o.FieldId, o.Value);
}
var indicatorValues = indicators
.Select(
indicator =>
new IndicatorValue
{
DossierId = dossier.Id,
IndicatorId = indicator.Id,
Value = Zero(() =>
calc.Evaluate(
indicators.Where(i => i.Id == indicator.Id).Single().Formula))
}).ToList();
return indicatorValues;
}