IndexSetPointSequence::IndexSetPointSequence(LocalArray &points) :
IndexSet(points.getElementCount(1), points.getElementCount(0)) {
_numberOfRegions = 0;
uint64_t indexLength = _numberOfIndices * _numberOfDimensions;
_indexList = new uint64_t[indexLength];
if (_indexList == NULL)
throw ENotEnoughMemory();
memcpy(_indexList, points.getData(), indexLength * sizeof (uint64_t));
this->initConstantIterators();
if (_begin == NULL || _end == NULL || _curr == NULL)
throw ENotEnoughMemory();
}
IndexSetRegionSequence::IndexSetRegionSequence(LocalArray &lower,
LocalArray &upper) :
IndexSet(lower.getElementCount(1), computeNumberOfIndices(lower, upper)) {
this->initConstantIterators();
if (_begin == NULL || _end == NULL || _curr == NULL)
throw ENotEnoughMemory();
}
uint64_t IndexSetRegionSequence::computeNumberOfIndices(LocalArray &lower,
LocalArray &upper) {
unsigned numberOfDimensions = lower.getElementCount(1);
_numberOfRegions = lower.getElementCount(0);
if (numberOfDimensions == 0 || _numberOfRegions == 0)
throw EInvalidArgument();
if (upper.getElementCount(1) != numberOfDimensions
|| upper.getElementCount(0) != _numberOfRegions)
throw EInvalidArgument();
_lowerIndexList = new uint64_t[numberOfDimensions * _numberOfRegions];
_upperIndexList = new uint64_t[numberOfDimensions * _numberOfRegions];
if (_lowerIndexList == NULL || _upperIndexList == NULL)
throw ENotEnoughMemory();
if (lower.getElementType() == ArrayShape::UINT64)
memcpy(_lowerIndexList, lower.getData(),
sizeof (uint64_t) * numberOfDimensions * _numberOfRegions);
else {
LocalArray properTyped(ArrayShape::UINT64, lower);
memcpy(_lowerIndexList, properTyped.getData(),
sizeof (uint64_t) * numberOfDimensions * _numberOfRegions);
}
if (upper.getElementType() == ArrayShape::UINT64)
memcpy(_upperIndexList, upper.getData(),
sizeof (uint64_t) * numberOfDimensions * _numberOfRegions);
else {
LocalArray properTyped(ArrayShape::UINT64, upper);
memcpy(_upperIndexList, properTyped.getData(),
sizeof (uint64_t) * numberOfDimensions * _numberOfRegions);
}
uint64_t result = 0;
uint64_t k = 0;
for (uint64_t iRegion = 0; iRegion < _numberOfRegions; iRegion++) {
uint64_t currentRegionSize = 1;
for (unsigned iDim = 0; iDim < numberOfDimensions; iDim++) {
uint64_t currentLower = _lowerIndexList[k];
uint64_t currentUpper = _upperIndexList[k];
k++;
if (currentUpper < currentLower)
throw EInvalidRegionDescriptor(iDim, iRegion,
currentLower, currentUpper, 1);
currentRegionSize *= currentUpper - currentLower + 1;
}
result += currentRegionSize;
}
return result;
}
