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Reduced copy-paste

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This commit is contained in:
Alexey Boykov 2021-08-27 17:31:11 +03:00
parent 229b227328
commit 8b4c5aa876
1 changed files with 10 additions and 40 deletions
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50
src/Functions/vectorFunctions.cpp
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@ -774,7 +774,13 @@ template <const char * func_label>
class VectorDistance : public TupleIFunction
{
public:
/// constexpr cannot be used due to std::string has not constexpr constructor in this compiler version
static inline auto name = "L" + std::string(func_label) + "Distance";
explicit VectorDistance(ContextPtr context_) : TupleIFunction(context_) {}
static FunctionPtr create(ContextPtr context_) { return std::make_shared<VectorDistance>(context_); }
String getName() const override { return name; }
size_t getNumberOfArguments() const override
{
@ -822,52 +828,16 @@ public:
};
static constexpr char L1DISTANCE_LABEL[] = "1";
class FunctionL1Distance : public VectorDistance<L1DISTANCE_LABEL>
{
public:
static constexpr auto name = "L1Distance";
explicit FunctionL1Distance(ContextPtr context_) : VectorDistance(context_) {}
static FunctionPtr create(ContextPtr context_) { return std::make_shared<FunctionL1Distance>(context_); }
String getName() const override { return name; }
};
using FunctionL1Distance = VectorDistance<L1DISTANCE_LABEL>;
static constexpr char L2DISTANCE_LABEL[] = "2";
class FunctionL2Distance : public VectorDistance<L2DISTANCE_LABEL>
{
public:
static constexpr auto name = "L2Distance";
explicit FunctionL2Distance(ContextPtr context_) : VectorDistance(context_) {}
static FunctionPtr create(ContextPtr context_) { return std::make_shared<FunctionL2Distance>(context_); }
String getName() const override { return name; }
};
using FunctionL2Distance = VectorDistance<L2DISTANCE_LABEL>;
static constexpr char LinfDISTANCE_LABEL[] = "inf";
class FunctionLinfDistance : public VectorDistance<LinfDISTANCE_LABEL>
{
public:
static constexpr auto name = "LinfDistance";
explicit FunctionLinfDistance(ContextPtr context_) : VectorDistance(context_) {}
static FunctionPtr create(ContextPtr context_) { return std::make_shared<FunctionLinfDistance>(context_); }
String getName() const override { return name; }
};
using FunctionLinfDistance = VectorDistance<LinfDISTANCE_LABEL>;
static constexpr char LpDISTANCE_LABEL[] = "p";
class FunctionLpDistance : public VectorDistance<LpDISTANCE_LABEL>
{
public:
static constexpr auto name = "LpDistance";
explicit FunctionLpDistance(ContextPtr context_) : VectorDistance(context_) {}
static FunctionPtr create(ContextPtr context_) { return std::make_shared<FunctionLpDistance>(context_); }
String getName() const override { return name; }
};
using FunctionLpDistance = VectorDistance<LpDISTANCE_LABEL>;
void registerVectorFunctions(FunctionFactory & factory)
{