public IntervalVar NewOptionalFixedSizeIntervalVar <S>(S start, long duration, ILiteral is_present, string name)
{
LinearExpr startExpr = GetLinearExpr(start);
LinearExpr durationExpr = GetLinearExpr(duration);
LinearExpr endExpr = LinearExpr.Sum(new LinearExpr[] { startExpr, durationExpr });
LinearExpressionProto startProto = GetLinearExpressionProto(startExpr);
LinearExpressionProto durationProto = GetLinearExpressionProto(durationExpr);
LinearExpressionProto endProto = GetLinearExpressionProto(endExpr);
return(new IntervalVar(model_, startProto, durationProto, endProto, is_present.GetIndex(), name));
}
/**
* <summary>
* Creates an interval variable from an affine expression start, and a fixed size.
* </summary>
*
* <remarks>An interval variable is a constraint, that is itself used in other constraints like
* NoOverlap.
* </remarks>
*
* <param name="start"> the start of the interval. It needs to be an affine or constant expression. *
* </param>
* <param name="size"> the fixed size of the interval </param>
* <param name="name"> the name of the interval variable </param>
* <returns> An IntervalVar object</returns>
*/
public IntervalVar NewFixedSizeIntervalVar <S>(S start, long size, string name)
{
LinearExpr startExpr = GetLinearExpr(start);
LinearExpr sizeExpr = GetLinearExpr(size);
LinearExpr endExpr = LinearExpr.Sum(new LinearExpr[] { startExpr, sizeExpr });
LinearExpressionProto startProto = GetLinearExpressionProto(startExpr);
LinearExpressionProto sizeProto = GetLinearExpressionProto(sizeExpr);
LinearExpressionProto endProto = GetLinearExpressionProto(endExpr);
return(new IntervalVar(model_, startProto, sizeProto, endProto, name));
}
public static LinearExpr Sum(this IntVar[] vars)
{
return(LinearExpr.Sum(vars));
}
