WIP: Nullable config values. Fixed compare operator for float vectors.
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3b1a44c084
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1 changed files with 27 additions and 7 deletions
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@ -188,6 +188,8 @@ public:
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virtual size_t size() const = 0;
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// Is this vector empty?
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virtual bool empty() const = 0;
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// Is the value nil? That should only be possible if this->nullable().
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virtual bool is_nil(size_t idx) const = 0;
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protected:
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// Used to verify type compatibility when assigning to / from a scalar ConfigOption.
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@ -363,14 +365,20 @@ public:
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static ConfigOptionType static_type() { return coFloats; }
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ConfigOptionType type() const override { return static_type(); }
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ConfigOption* clone() const override { return new ConfigOptionFloatsTempl(*this); }
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bool operator==(const ConfigOptionFloatsTempl &rhs) const { return this->values == rhs.values; }
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bool operator==(const ConfigOptionFloatsTempl &rhs) const { vectors_equal(this->values, rhs.values); }
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bool operator==(const ConfigOption &rhs) const override {
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if (rhs.type() != this->type())
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throw std::runtime_error("ConfigOptionFloatsTempl: Comparing incompatible types");
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assert(dynamic_cast<const ConfigOptionVector<double>*>(&rhs));
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return vectors_equal(this->values, static_cast<const ConfigOptionVector<double>*>(&rhs)->values);
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}
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// Could a special "nil" value be stored inside the vector, indicating undefined value?
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bool nullable() const override { return NULLABLE; }
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// Special "nil" value to be stored into the vector if this->supports_nil().
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static double nil_value() { return std::numeric_limits<double>::quiet_NaN(); }
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// A scalar is nil, or all values of a vector are nil.
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virtual bool is_nil() const override { for (auto v : this->values) if (! std::isnan(v)) return false; return true; }
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bool is_nil(size_t idx) const { return std::isnan(v->values[idx]); }
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bool is_nil() const override { for (auto v : this->values) if (! std::isnan(v)) return false; return true; }
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bool is_nil(size_t idx) const override { return std::isnan(v->values[idx]); }
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std::string serialize() const override
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{
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@ -436,6 +444,18 @@ protected:
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} else
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std::runtime_error("Serializing invalid number");
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}
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static bool vectors_equal(const std::vector<double> &v1, const std::vector<double> &v2) {
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if (NULLABLE) {
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if (v1.size() != v2.size())
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return false;
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for (auto it1 = v1.begin(), it2 = v2.begin(); it1 != v1.end(); ++ it1, ++ it2)
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if (! ((std::isnan(*it1) && std::isnan(*it2)) || *it1 == *it2))
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return false;
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return true;
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} else
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// Not supporting nullable values, the default vector compare is cheaper.
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return v1 == v2;
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}
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private:
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friend class cereal::access;
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@ -503,8 +523,8 @@ public:
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// Special "nil" value to be stored into the vector if this->supports_nil().
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static int nil_value() { return std::numeric_limits<int>::max(); }
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// A scalar is nil, or all values of a vector are nil.
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virtual bool is_nil() const override { for (auto v : this->values) if (v != nil_value()) return false; return true; }
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bool is_nil(size_t idx) const { return v->values[idx] == nil_value(); }
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bool is_nil() const override { for (auto v : this->values) if (v != nil_value()) return false; return true; }
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bool is_nil(size_t idx) const override { return v->values[idx] == nil_value(); }
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std::string serialize() const override
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{
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@ -973,8 +993,8 @@ public:
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// Special "nil" value to be stored into the vector if this->supports_nil().
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static unsigned char nil_value() { return std::numeric_limits<unsigned char>::max(); }
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// A scalar is nil, or all values of a vector are nil.
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virtual bool is_nil() const override { for (auto v : this->values) if (v != nil_value()) return false; return true; }
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bool is_nil(size_t idx) const { return v->values[idx] == nil_value(); }
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bool is_nil() const override { for (auto v : this->values) if (v != nil_value()) return false; return true; }
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bool is_nil(size_t idx) const override { return v->values[idx] == nil_value(); }
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bool& get_at(size_t i) {
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assert(! this->values.empty());
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