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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "numericresultnode.h"
#include <vespa/vespalib/util/sort.h>
namespace search ::expression {
class FloatResultNode final : public NumericResultNode
{
public:
DECLARE_EXPRESSIONNODE(FloatResultNode);
DECLARE_NBO_SERIALIZE;
void visitMembers(vespalib::ObjectVisitor &visitor) const override;
FloatResultNode(double v=0) noexcept : _value(v) { }
size_t hash() const override { size_t tmpHash(0); memcpy(&tmpHash, &_value, sizeof(tmpHash)); return tmpHash; }
int onCmp(const Identifiable & b) const override;
void add(const ResultNode & b) override;
void negate() override;
void multiply(const ResultNode & b) override;
void divide(const ResultNode & b) override;
void modulo(const ResultNode & b) override;
void min(const ResultNode & b) override;
void max(const ResultNode & b) override;
void set(const ResultNode & rhs) override;
double get() const { return _value; }
void set(double value) { _value = value; }
const BucketResultNode& getNullBucket() const override;
private:
int cmpMem(const void * a, const void *b) const override {
const double & ai(*static_cast<const double *>(a));
const double & bi(*static_cast<const double *>(b));
return ai < bi ? -1 : ai == bi ? 0 : 1;
}
void create(void * buf) const override { (void) buf; }
void destroy(void * buf) const override { (void) buf; }
void decode(const void * buf) override { _value = *static_cast<const double *>(buf); }
void encode(void * buf) const override { *static_cast<double *>(buf) = _value; }
void swap(void * buf) override { std::swap(*static_cast<double *>(buf), _value); }
size_t hash(const void * buf) const override { size_t tmpHash(0); memcpy(&tmpHash, buf, sizeof(tmpHash)); return tmpHash; }
uint64_t radixAsc(const void * buf) const override { return vespalib::convertForSort<double, true>::convert(*static_cast<const double *>(buf)); }
uint64_t radixDesc(const void * buf) const override { return vespalib::convertForSort<double, false>::convert(*static_cast<const double *>(buf)); }
size_t onGetRawByteSize() const override { return sizeof(_value); }
bool isNan() const;
void setMin() override;
void setMax() override;
int64_t onGetInteger(size_t index) const override;
double onGetFloat(size_t index) const override;
ConstBufferRef onGetString(size_t index, BufferRef buf) const override;
double _value;
};
}
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