R/stanmodels.R

# Part of the publipha package for estimating model parameters
# Copyright (C) 2015, 2016, 2017 Trustees of Columbia University
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
# USA.

# This file is only intended to be used during the installation process
# nocov start
MODELS_HOME <- "src"
if (!file.exists(MODELS_HOME)) MODELS_HOME <- sub("R$", "src", getwd())

stan_files <- dir(file.path(MODELS_HOME, "stan_files"),
  pattern = "stan$", full.names = TRUE
)
stanmodels <- lapply(stan_files, function(f) {
  model_cppname <- sub("\\.stan$", "", basename(f))
  stanfit <- rstan::stanc(f,
    allow_undefined = TRUE,
    obfuscate_model_name = FALSE
  )
  stanfit$model_cpp <- list(
    model_cppname = stanfit$model_name,
    model_cppcode = stanfit$cppcode
  )
  return(do.call(methods::new, args = c(stanfit[- (1:3)],
    Class = "stanmodel",
    mk_cppmodule = function(x) get(paste0("model_", model_cppname))
  )))
})
names(stanmodels) <- sub("\\.stan$", "", basename(stan_files))
rm(MODELS_HOME)
# nocov end

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publipha documentation built on Jan. 31, 2020, 1:10 a.m.