specialists/symbolic_fallback.hpp

Expression parser and evaluator for math validation (PTDS §5.2) More...

Namespaces

Name
sgns
sgns::neoswarm
sgns::neoswarm::specialists

Classes

	Name
class	sgns::neoswarm::specialists::SymbolicFallback Evaluates mathematical expressions symbolically.

Detailed Description

Expression parser and evaluator for math validation (PTDS §5.2)

Date: 2026-05-06

Source code

#ifndef NEOSWARM_SPECIALISTS_SYMBOLICFALLBACK_HPP
#define NEOSWARM_SPECIALISTS_SYMBOLICFALLBACK_HPP

#include "common/error.hpp"
#include <optional>
#include <string>

namespace sgns::neoswarm::specialists
{
    class SymbolicFallback
    {
        public:
        static constexpr float kConfidenceThreshold = 0.6f;

        static std::optional<double> Evaluate( const std::string& expr );

        static std::optional<double> ExtractAndEvaluate( const std::string& text );

        static std::string FormatResult( double value );

        private:
        struct Parser
        {
            const std::string& input_;
            size_t pos_ = 0;

            double ParseExpr();
            double ParseTerm();
            double ParseFactor();
            double ParsePrimary();
            void SkipWhitespace();
            char Peek() const;
            char Consume();
        };
    };

} // namespace sgns::neoswarm::specialists

#endif // NEOSWARM_SPECIALISTS_SYMBOLICFALLBACK_HPP

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Updated on 2026-07-25 at 22:56:57 +0000