Function realRootValues

benchmarks/runners/run_ce_rubi.mjs:125–134

(roots)

  return typeof v.re === 'number' ? v.re : Number(v.toString());
};
function realRootValues(roots) {
  const out = [];
  for (const r of roots ?? []) {
    const v = r.N();
    const re = typeof v.re === 'number' ? v.re : Number(v.toString());
    const im = typeof v.im === 'number' ? v.im : 0;
    if (Number.isFinite(re) && Math.abs(im) < 1e-7) out.push(re);
  }
  return out;
}
const UNEVAL = /^(Limit|Integrate|Sum|Product)$/;
const isUnevaluated = (r) => UNEVAL.test(r.operator ?? '') || /\b(int|lim|sum)\(/.test(r.toString());