/// <summary>
/// <paramref name="step"/>이 있는 for loop 를 병렬 수행합니다. for(i=fromInclusive; i < toExclusive; i+=step)
/// </summary>
/// <param name="fromInclusive">loop 하한 인덱스</param>
/// <param name="toExclusive">loop 상한 인덱스</param>
/// <param name="step">반복 인덱스 Step</param>
/// <param name="parallelOptions">병렬 옵션</param>
/// <param name="localInit">로컬 변수값 초기화</param>
/// <param name="body">로컬값을 반환하는 병렬 실행할 함수</param>
/// <param name="localFinally">최종 로컬 정리 action</param>
/// <returns>/실행 결과</returns>
public static ParallelLoopResult ForWithStep <T>(int fromInclusive, int toExclusive, int step,
ParallelOptions parallelOptions,
Func <T> localInit,
Func <int, ParallelLoopState, T, T> body,
Action <T> localFinally)
{
step.ShouldBePositive("step");
if (step == 1)
{
return(Parallel.For(fromInclusive, toExclusive, localInit, body, localFinally));
}
if (IsDebugEnabled)
{
log.Debug("Step을 가진 For Loop를 병렬 수행합니다... fromInclusive=[{0}], toExclusive=[{1}], step=[{2}]",
fromInclusive, toExclusive, step);
}
var ranges = EnumerableTool.Step(fromInclusive, toExclusive, step);
return(Parallel.ForEach(ranges,
parallelOptions,
localInit,
(i, loolState, local) => body(i, loolState, local),
local => localFinally(local)));
}
private void BuildExpressionGraph(SingleSeriesChart chart)
{
var expr = new NCalc.Expression(Expression, EvaluateOptions.IgnoreCase | EvaluateOptions.IterateParameters);
var step = (Upper - Lower) / VarCount;
var x = EnumerableTool.Step(Lower, Upper, step).ToArray();
expr.Parameters["x"] = x;
var y = ((IEnumerable)expr.Evaluate()).ToListUnsafe <double>();
for (var i = 0; i < x.Length; i++)
{
chart.SetElements.Add(new ValueSetElement(y[i])
{
Label = x[i].ToString("#.0")
});
}
}