public static IEnumerable <int> EnumerateFlatIndex(this RegularArrayInfo arrayInfo, params Range[] ranges)
{
arrayInfo.ValidateRanges(ranges);
int[] dimIndices = new int[arrayInfo.Rank];
for (ArrayIndex ai = new ArrayIndex(new RegularArrayInfo(ranges.Select(r => new ArrayDimension(r.Count, r.Index)).ToArray())); ai.Carry == 0; ai++)
{
ai.GetDimIndices(dimIndices);
yield return(arrayInfo.CalcFlatIndex(dimIndices));
}
}
public void SetFrom(ArrayIndex arrayIndex)
{
if (arrayIndex == null)
{
throw new ArgumentNullException("arrayIndex");
}
else if (arrayIndex._arrayInfo != _arrayInfo || arrayIndex._zeroBased != _zeroBased)
{
throw new ArgumentException("Diffrenarray specifications", "arrayIndex");
}
//
_carry = 0;
_flatIndex = arrayIndex._flatIndex;
arrayIndex._dimIndices.CopyTo(_dimIndices, 0);
}
public static void GetDimIndices(this ArrayIndex arrayIndex, int[][] dimIndices)
{
if (arrayIndex == null)
{
throw new NullReferenceException("arrayIndex");
}
JaggedArrayInfo arrayInfo = arrayIndex.ArrayInfo as JaggedArrayInfo;
if (arrayInfo == null)
{
throw new InvalidOperationException("Indexearray is nojagged");
}
//
if (dimIndices == null)
{
throw new ArgumentNullException("dimIndices");
}
else if (dimIndices.Length != arrayInfo.Depths)
{
throw new ArgumentException(ArrayResources.Default.Strings[ArrayMessage.InvalidArrayLength], "dimIndices");
}
else
{
for (int i = 0; i < arrayInfo.Depths; i++)
{
if (dimIndices[i] == null)
{
throw new ArgumentRegularArrayElementException("dimIndices", "Value is null", i);
}
else if (dimIndices[i].Length != arrayInfo.GetRank(i))
{
throw new ArgumentRegularArrayElementException("dimIndices", ArrayResources.Default.Strings[ArrayMessage.InvalidArrayLength], i);
}
}
}
//
for (int i = 0, j = 0; i < arrayInfo.Depths; j += arrayInfo.GetRank(i), i++)
{
for (int k = 0; k < arrayInfo.GetRank(i); k++)
{
dimIndices[i][k] = arrayIndex.GetDimIndex(j + k);
}
}
}
