% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/write.R
\name{.write_acoord_section}
\alias{.write_acoord_section}
\title{Write the ACOORD section: sparse constraint-matrix triplets.}
\usage{
.write_acoord_section(flat, con)
}
\arguments{
\item{flat}{List of chunk records.}

\item{con}{Writable file connection.}
}
\description{
Format (CBF spec Sec.B):
\preformatted{
ACOORD
count
con_idx  var_idx  value     <- 0-based indices
...
}
}
\details{
CBF uses 0-based indices; R/slam uses 1-based.  The offset \code{-1} is
applied to both the constraint-row index and the variable-column index.
}
\keyword{internal}
