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| """Functions to help export PySR equations to LaTeX.""" | |
| import sympy | |
| from sympy.printing.latex import LatexPrinter | |
| class PreciseLatexPrinter(LatexPrinter): | |
| """Modified SymPy printer with custom float precision.""" | |
| def __init__(self, settings=None, prec=3): | |
| super().__init__(settings) | |
| self.prec = prec | |
| def _print_Float(self, expr): | |
| # Reduce precision of float: | |
| reduced_float = sympy.Float(expr, self.prec) | |
| return super()._print_Float(reduced_float) | |
| def to_latex(expr, prec=3, full_prec=True, **settings): | |
| """Convert sympy expression to LaTeX with custom precision.""" | |
| settings["full_prec"] = full_prec | |
| printer = PreciseLatexPrinter(settings=settings, prec=prec) | |
| return printer.doprint(expr) | |
| def generate_table_environment(columns=["equation", "complexity", "loss"]): | |
| margins = "".join([("l" if col == "equation" else "c") for col in columns]) | |
| column_map = { | |
| "complexity": "Complexity", | |
| "loss": "Loss", | |
| "equation": "Equation", | |
| "score": "Score", | |
| } | |
| columns = [column_map[col] for col in columns] | |
| top_pieces = [ | |
| r"\begin{table}[h]", | |
| r"\begin{center}", | |
| r"\begin{tabular}{@{}" + margins + r"@{}}", | |
| r"\toprule", | |
| " & ".join(columns) + r" \\", | |
| r"\midrule", | |
| ] | |
| bottom_pieces = [ | |
| r"\bottomrule", | |
| r"\end{tabular}", | |
| r"\end{center}", | |
| r"\end{table}", | |
| ] | |
| top_latex_table = "\n".join(top_pieces) | |
| bottom_latex_table = "\n".join(bottom_pieces) | |
| return top_latex_table, bottom_latex_table | |