% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/dde.R
\name{.rxPastBaseLinesFromEnv}
\alias{.rxPastBaseLinesFromEnv}
\title{Base past(state, tau) <- expr history lines from a symengine env}
\usage{
.rxPastBaseLinesFromEnv(model)
}
\arguments{
\item{model}{a symengine environment (as from \code{.loadSymengine}/\code{rxS}).}
}
\value{
character vector of past() lines, or NULL if none.
}
\description{
Rebuilds the base \code{past(state,tau)=expr} line(s) from the stored
\code{rx__pastRhs_STATE__} / \code{rx__pastTau_STATE__} text; used by gradient-free
estimators (SAEM) whose symengine env is built without sensitivities.
}
\keyword{internal}
