JanusIO.hpp File Reference

IO Utilities and Traits for Janus. More...

#include "janus/core/JanusError.hpp"
#include "janus/core/JanusTypes.hpp"
#include <Eigen/Dense>
#include <casadi/casadi.hpp>
#include <cstdlib>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <limits>
#include <map>
#include <set>
#include <sstream>
#include <vector>

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Namespaces
namespace	janus
namespace	janus::detail
	Smooth approximation of ReLU function: softplus(x) = (1/beta) * log(1 + exp(beta * x)).

Enumerations
enum class	janus::DeepGraphFormat { janus::DOT , janus::HTML , janus::PDF }
	Export format for deep graph visualization. More...

Functions
template<typename Derived>
void	janus::print (const std::string &label, const Eigen::MatrixBase< Derived > &mat)
	Print a matrix to stdout with a label.
template<typename Derived>
void	janus::disp (const std::string &label, const Eigen::MatrixBase< Derived > &mat)
	Deprecated alias for print.
template<typename Derived>
auto	janus::eval (const Eigen::MatrixBase< Derived > &mat)
	Evaluate a symbolic matrix to a numeric Eigen matrix.
double	janus::eval (const SymbolicScalar &val)
	Evaluate a symbolic scalar to a double.
template<typename T, std::enable_if_t< std::is_arithmetic_v< T >, int > = 0>
T	janus::eval (const T &val)
	Passthrough eval for numeric types.
std::string	janus::detail::escape_dot_label (const std::string &s)
	Escape special characters for DOT format.
std::string	janus::detail::get_op_name (const SymbolicScalar &mx)
	Get a short description of an MX operation type.
void	janus::export_graph_dot (const SymbolicScalar &expr, const std::string &filename, const std::string &name="expression")
	Export a symbolic expression to DOT format for visualization.
bool	janus::render_graph (const std::string &dot_file, const std::string &output_file)
	Export a janus::Function to DOT format for visualization.
bool	janus::visualize_graph (const SymbolicScalar &expr, const std::string &output_base)
	Convenience function: export expression to DOT and render to PDF.
std::string	janus::detail::escape_for_js (const std::string &content)
	Escape a string for embedding in a JavaScript string literal.
std::string	janus::detail::escape_for_json (const std::string &s)
	Escape a string for embedding in JSON.
void	janus::detail::write_graph_html (std::ostream &out, const std::string &title, const std::string &escaped_dot, const std::string &node_data_json, const std::string &edges_json, const std::string &extra_header_js="")
	Write a complete interactive graph HTML page.
void	janus::export_graph_html (const SymbolicScalar &expr, const std::string &filename, const std::string &name="expression")
	Export a symbolic expression to an interactive HTML file.
std::string	janus::detail::get_sx_operation (const casadi::SXElem &elem)
	Map CasADi SX operation codes to readable labels.
void	janus::detail::get_sx_node_style (const casadi::SXElem &elem, std::string &color, std::string &shape)
	Get node styling based on SX element type.
void	janus::export_sx_graph_dot (const casadi::SX &expr, const std::string &filename, const std::string &name="expression")
	Export an SX expression to DOT format for deep visualization.
void	janus::export_sx_graph_html (const casadi::SX &expr, const std::string &filename, const std::string &name="expression")
	Export an SX expression to an interactive HTML file for deep visualization.
void	janus::export_graph_deep (const casadi::Function &fn, const std::string &filename, DeepGraphFormat format=DeepGraphFormat::HTML, const std::string &name="")
	Export a CasADi Function to deep graph format showing all operations.
bool	janus::visualize_graph_deep (const casadi::Function &fn, const std::string &output_base)
	Convenience function: export Function to deep graph and render to PDF.

Detailed Description

IO Utilities and Traits for Janus.

Provides:

1. Helper functions for printing/displaying matrices with wrappers.
2. Evaluation utilities (eval).
3. Graph visualization utilities for CasADi expressions.

Note: Eigen::NumTraits definitions are in JanusTypes.hpp usually.