/**
* Calculates whether the measures in the CoordinateSequence are monotone
* and strict monotone. The strict parameter indicates whether the
* determination should apply the definition of "strict monotonicity" or
* non-strict.
*
* @see #IsMonotone()
* @see #isStrictMonotone()
*/
private void DetermineMonotone()
{
this.monotone = true;
this.strictMonotone = true;
if (!this.IsEmpty)
{
double[] m = this.GetMeasures();
// short circuit if the first value is NaN
if (Double.IsNaN(m[0]))
{
this.monotone = false;
this.strictMonotone = false;
}
else
{
int result = 0;
int prevResult = 0;
for (int i = 1; i < m.Length && this.monotone; i++)
{
result = DoubleComparator.Compare(m[i - 1], m[i]);
this.monotone = !(result * prevResult < 0 || Double.IsNaN(m[i]));
this.strictMonotone &= this.monotone && result != 0;
prevResult = result;
}
}
}
// if not monotone, then certainly not strictly monotone
Debug.Assert(!(this.strictMonotone && !this.monotone));
}
public bool Equals3DWithMeasure(Coordinate other)
{
bool result = this.Equals3D(other);
if (result)
{
MCoordinate mc = ConvertCoordinate(other);
result = (DoubleComparator.Compare(M, mc.M) == 0);
}
return(result);
}
