SPKDTreeNode spKDTreeCreateFromArray(SPKDArray kdArr, int prevDim,
SPConfig config, SP_CONFIG_MSG *msg, int* problem ){
SPKDTreeNode res = NULL;
SPKDArray *children;
if (spKDArrayGetNumOfFeatures(kdArr)==1){
res = spKDTreeCreateLeaf(spKDArrayGetPoint(kdArr, 0));
if(!res){
spLoggerPrintError(ALLOC_FAIL, __FILE__, __FUNCTION__, __LINE__);
spKDArrayDestroy(kdArr, ALL_ROWS);
*problem = true;
return NULL;
}
spKDArrayDestroy(kdArr, ALL_ROWS);
return res;
}
else{ //** KD Array is larger than 1 point **//
res = spKDTreeCreateNode();
if(!res){
spLoggerPrintError(ALLOC_FAIL, __FILE__, __FUNCTION__, __LINE__);
spKDArrayDestroy(kdArr, ALL_ROWS);
*problem = true;
return NULL;
}
res->dim = spKDArrayFindSplitDim(kdArr, prevDim, config, msg);
children = spKDArraySplit(kdArr, res->dim);
if(!children){
spKDTreeDestroy(res);
spKDArrayDestroy(kdArr, ALL_ROWS);
*problem = true;
return NULL;
}
res->val = spKDArrayGetMedianVal(children[LEFT], res->dim);
spKDArrayDestroy(kdArr, ALL_ROWS);
res->left = spKDTreeCreateFromArray(children[LEFT],
res->dim, config, msg, problem);
if(!(res->left)){
spKDTreeDestroy(res);
spKDArrayDestroy(kdArr, ALL_ROWS);
spKDMultiArrayDestroy(children, true, ALL_ROWS, true, ALL_ROWS);
*problem = true;
return NULL;
}
res->right = spKDTreeCreateFromArray(children[RIGHT],
res->dim, config, msg, problem);
if(!(res->right)){
spKDTreeDestroy(res);
spKDArrayDestroy(kdArr, ALL_ROWS);
spKDMultiArrayDestroy(children, true, ALL_ROWS, true, ALL_ROWS);
*problem = true;
return NULL;
}
spKDMultiArrayDestroy(children, false, false, false, false);
return res;
}
}
void spKDTreeDestroy(SPKDTreeNode node){
if(!node){
return;
}
if(node->dim == INVALID){
spPointDestroy(node->data);
}
if(node->left){
spKDTreeDestroy(node->left);
}
if(node->right){
spKDTreeDestroy(node->right);
}
free(node);
}
void destroyCaseData(SPKDTreeNode tree,SPKDArray kdArr,SPPoint* pointsArray,int size,
SPBPQueue queue,SPPoint queryPoint){
if (tree) spKDTreeDestroy(tree, false);
if (kdArr) spKDArrayDestroy(kdArr);
if (pointsArray) destroyPointsArray(pointsArray,size);
if (queue) spBPQueueDestroy(queue);
if (queryPoint) spPointDestroy(queryPoint);
}
void endControlFlow(SPConfig config, SPImageData image,
bool isCurrentImageFeaturesArrayAllocated, SPKDTreeNode kdTree, SPBPQueue bpq,
int returnValue) {
if (returnValue < 0) {
printf(MAIN_RETURNED_ERROR);
}
printf("%s", EXITING);
spConfigDestroy(config);
freeImageData(image, !isCurrentImageFeaturesArrayAllocated, true);
spKDTreeDestroy(kdTree, true);
spBPQueueDestroy(bpq);
spLoggerDestroy();
}