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#
# Copyright 2007-2018 by the individuals mentioned in the source code history
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
setClass(Class = "LowerMatrix",
representation = representation(),
contains = "MxMatrix")
setMethod("imxSymmetricMatrix", "LowerMatrix",
function(.Object) { return(FALSE) }
)
setMethod("imxSquareMatrix", "LowerMatrix",
function(.Object) { return(TRUE) }
)
populateLowerTriangle <- function(input, n, default, byrow, strname) {
len <- length(input)
if (len == n * n) {
output <- matrix(input, n, n, byrow)
} else if (len == n * (n + 1) / 2 || len == 1) {
if(byrow) {
output <- matrix(default, n, n)
output[upper.tri(output, TRUE)] <- input
output[lower.tri(output)] <- t(output)[lower.tri(output)]
output[upper.tri(output)] <- default
} else {
output <- matrix(default, n, n)
output[lower.tri(output, TRUE)] <- input
}
} else {
stop(paste(
"illegal number of elements (", len,
") for '", strname, "' matrix in Lower MxMatrix construction ", sep="",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))), call. = FALSE)
}
return(output)
}
setMethod("imxCreateMatrix", "LowerMatrix",
function(.Object, labels, values, free, lbound, ubound, nrow, ncol, byrow, name,
condenseSlots, joinKey, joinModel) {
if (nrow != ncol) {
stop(paste("non-square MxMatrix attempted in 'nrow' and 'ncol' arguments to",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))),
call. = FALSE)
}
if (single.na(values)) {
values <- 0
}
if (is.vector(values)) {
values <- populateLowerTriangle(values, nrow, 0, byrow, 'values')
}
if(condenseSlots && all.false(free) && all.na(labels)){
labels <- as.character(NA)
free <- FALSE
}
else{
if (is.vector(labels)) {
labels <- populateLowerTriangle(labels, nrow, as.character(NA), byrow, 'labels')
}
if (is.vector(free)) {
free <- populateLowerTriangle(free, nrow, FALSE, byrow, 'free')
}}
if(condenseSlots && all.na(lbound)){lbound <- as.numeric(NA)}
else{if (is.vector(lbound)) {
lbound <- populateLowerTriangle(lbound, nrow, as.numeric(NA), byrow, 'lbound')
}}
if(condenseSlots && all.na(ubound)){ubound <- as.numeric(NA)}
else{if (is.vector(ubound)) {
ubound <- populateLowerTriangle(ubound, nrow, as.numeric(NA), byrow, 'ubound')
}}
return(callNextMethod(.Object, labels, values, free, lbound, ubound, nrow, ncol, byrow, name,
condenseSlots, joinKey, joinModel))
}
)
setMethod("imxVerifyMatrix", "LowerMatrix",
function(.Object) {
callNextMethod(.Object)
#Do all of these slots really need to be copied?:
values <- .Object@values
free <- .Object@free
labels <- .Object@labels
lbound <- .Object@lbound
ubound <- .Object@ubound
if (!all(values[upper.tri(values)] == 0)) {
stop(paste("upper triangle of 'values' matrix in Lower MxMatrix", omxQuotes(.Object@name),
"is not all zeros in",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))),
call. = FALSE)
}
if (any(free) && !all(free[upper.tri(free)] == FALSE)) {
stop(paste("upper triangle of 'free' matrix in Lower MxMatrix", omxQuotes(.Object@name),
"is not all fixed in",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))),
call. = FALSE)
}
if (!all.na(labels) && !all(is.na(labels[upper.tri(labels)]))) {
stop(paste("upper triangle of 'labels' matrix in Lower MxMatrix", omxQuotes(.Object@name),
"is not all NAs in",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))),
call. = FALSE)
}
if (!all.na(lbound) && !all(is.na(lbound[upper.tri(lbound)]))) {
stop(paste("upper triangle of 'lbound' matrix in Lower MxMatrix", omxQuotes(.Object@name),
"is not all NAs in",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))),
call. = FALSE)
}
if (!all.na(ubound) && !all(is.na(ubound[upper.tri(ubound)]))) {
stop(paste("upper triangle of 'ubound' matrix in Lower MxMatrix", omxQuotes(.Object@name),
"is not all NAs in",
deparse(width.cutoff = 400L, imxLocateFunction("mxMatrix"))),
call. = FALSE)
}
}
)
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