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# Copyright (c) 2016 - 2020, Adrian Dusa
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, in whole or in part, are permitted provided that the
# following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * The names of its contributors may NOT be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL ADRIAN DUSA BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
`solveChart` <-
function(chart, row.dom = FALSE, all.sol = FALSE, depth = NULL, max.comb = 0, first.min = FALSE, ...) {
if (!is.logical(chart) && length(setdiff(chart, 0:1)) > 0) {
cat("\n")
stop(simpleError("Use a logical, T/F matrix. See makeChart()'s output.\n\n"))
}
other.args <- list(...)
if (is.element("min.dis", names(other.args))) {
if (is.logical(other.args$min.dis)) {
all.sol <- !other.args$min.dis
}
}
if (all.sol) {
row.dom <- FALSE
}
row.numbers <- seq(nrow(chart))
if (row.dom) {
row.numbers <- rowDominance(chart)
chart <- chart[row.numbers, ]
}
foundm <- findmin(chart, ... = ...)
if (foundm == 0) {
cat("\n")
stop(simpleError("The PI chart cannot be solved.\n\n"))
}
if (is.null(depth)) depth <- 0L
output <- .Call("C_solveChart", matrix(as.logical(chart), nrow = nrow(chart)), all.sol, as.integer(depth), as.integer(foundm), max.comb, first.min, PACKAGE = "QCA")
if (output[[2]]) {
warning(simpleWarning("The PI chart is exceedingly complex, solution(s) not guaranteed to be exhaustive.\n\n"))
}
output <- output[[1]]
output[output == 0] <- NA
output <- matrix(as.integer(row.numbers[output]), nrow = nrow(output))
output[is.na(output)] <- 0L
return(output)
}
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