// Delete node of ID NId from the graph.
void TUNGraph::DelNode(const int& NId) {
{ AssertR(IsNode(NId), TStr::Fmt("NodeId %d does not exist", NId));
TNode& Node = GetNode(NId);
for (int e = 0; e < Node.GetDeg(); e++) {
const int nbr = Node.GetNbrNId(e);
if (nbr == NId) { continue; }
TNode& N = GetNode(nbr);
const int n = N.NIdV.SearchBin(NId);
if (n!= -1) { N.NIdV.Del(n); }
} }
NodeH.DelKey(NId);
}
double TLinear::Interpolate(const uint64& Tm) const {
AssertR(CanInterpolate(Tm), "TLinear::Interpolate: Time not in the desired interval!");
const TUInt64FltPr& PrevRec = Buff.GetOldest();
if (Tm == PrevRec.Val1) { return PrevRec.Val2; }
const TUInt64FltPr& NextRec = Buff.GetOldest(1);
// don't need to check if the times of the previous rec and next rec are equal since if
// that is true Tm will be equal to PrevRec.Tm and the correct result will be returned
const double Result = PrevRec.Val2 + ((double) (Tm - PrevRec.Val1) / (NextRec.Val1 - PrevRec.Val1)) * (NextRec.Val2 - PrevRec.Val2);
EAssertR(!TFlt::IsNan(Result), "TLinear: result of interpolation is NaN!");
return Result;
}
// Delete node of ID NId from the bipartite graph.
void TBPGraph::DelNode(const int& NId) {
AssertR(IsNode(NId), TStr::Fmt("NodeId %d does not exist", NId));
THash<TInt, TNode>& SrcH = IsLNode(NId) ? LeftH : RightH;
THash<TInt, TNode>& DstH = IsLNode(NId) ? RightH : LeftH;
{ TNode& Node = SrcH.GetDat(NId);
for (int e = 0; e < Node.GetOutDeg(); e++) {
const int nbr = Node.GetOutNId(e);
IAssertR(nbr != NId, "Bipartite graph has a loop!");
TNode& N = DstH.GetDat(nbr);
const int n = N.NIdV.SearchBin(NId);
IAssert(n!= -1);
N.NIdV.Del(n);
} }
SrcH.DelKey(NId);
}
PJsonVal TNodeJsUtil::GetObjJson(const v8::Local<v8::Value>& Val, const bool IgnoreFunc) {
AssertR(!Val->IsExternal(), "TNodeJsUtil::GetObjJson: Cannot parse v8::External!");
if (Val->IsObject()) {
// if we aren't ignoring functions and the object is a function
// then throw an exception
EAssertR(IgnoreFunc || !Val->IsFunction(), "TNodeJsUtil::GetObjJson: Cannot parse functions!");
// parse the object
if (Val->IsFunction()) {
return TJsonVal::New();
}
else if (Val->IsBooleanObject()) {
v8::Local<v8::BooleanObject> BoolObj = v8::Local<v8::BooleanObject>::Cast(Val);
return TJsonVal::NewBool(BoolObj->ValueOf());
}
else if (Val->IsNumberObject()) {
return TJsonVal::NewNum(Val->NumberValue());
}
else if (Val->IsStringObject() || Val->IsRegExp() || Val->IsDate()) {
return TJsonVal::NewStr(TStr(*v8::String::Utf8Value(Val->ToString())));
}
else if (Val->IsArray()) {
PJsonVal JsonArr = TJsonVal::NewArr();
v8::Array* Arr = v8::Array::Cast(*Val);
for (uint i = 0; i < Arr->Length(); i++) {
if (!IgnoreFunc || !Arr->Get(i)->IsFunction()) {
JsonArr->AddToArr(GetObjJson(Arr->Get(i), IgnoreFunc));
}
}
return JsonArr;
}
else { // general object with fields
PJsonVal JsonVal = TJsonVal::NewObj();
v8::Local<v8::Object> Obj = Val->ToObject();
v8::Local<v8::Array> FldNmV = Obj->GetOwnPropertyNames();
for (uint i = 0; i < FldNmV->Length(); i++) {
const TStr FldNm(*v8::String::Utf8Value(FldNmV->Get(i)->ToString()));
v8::Local<v8::Value> FldVal = Obj->Get(FldNmV->Get(i));
if (!IgnoreFunc || !FldVal->IsFunction()) {
JsonVal->AddToObj(FldNm, GetObjJson(FldVal, IgnoreFunc));
}
}
return JsonVal;
}
}
else { // primitive
if (Val->IsUndefined()) {
return TJsonVal::New();
}
else if (Val->IsNull()) {
return TJsonVal::NewNull();
}
else if (Val->IsBoolean()) {
return TJsonVal::NewBool(Val->BooleanValue());
}
else if (Val->IsNumber()) {
return TJsonVal::NewNum(Val->NumberValue());
}
else if (Val->IsString()) {
return TJsonVal::NewStr(TStr(*v8::String::Utf8Value(Val->ToString())));
}
else {
// TODO check for v8::Symbol
throw TExcept::New("TNodeJsUtil::GetObjJson: Unknown v8::Primitive type!");
}
}
}
