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# Based on http://opensource.org/licenses/BSD-2-Clause
#
# YEAR: 2013
# COPYRIGHT HOLDER: Alfredo Kalaitzis
#
# Redistribution and use in source and binary forms, with or without
# modification, 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.
#
# 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 THE COPYRIGHT
# HOLDER OR CONTRIBUTORS 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.
.cmpndKernExpandParam <-
function (kern, params) {
if ( is.list(params) )
params <- params$values
params <- params %*% Matrix::Matrix(t(kern$paramGroups)) ## Params still log-transformed at this point.
startVal <- 1
endVal <- 0
kern$whiteVariance <- 0
for ( i in seq(along=kern$comp) ) {
endVal <- endVal+kern$comp[[i]]$nParams
kern$comp[[i]] <- .kernExpandParam(kern$comp[[i]], params[seq(startVal,len=kern$comp[[i]]$nParams)])
## Used to be: kern$comp[[i]] <- kernExpandParam(kern$comp[[i]], params[startVal:endVal])
startVal <- endVal+1
if ( "white" %in% kern$comp[[i]]$type ) {
kern$whiteVariance <- kern$whiteVariance+kern$comp[[i]]$variance
} else if ( "whiteVariance" %in% names(kern$comp[[i]]) ) {
kern$whiteVariance <- kern$whiteVariance+kern$comp[[i]]$whiteVariance
}
}
return (kern)
}
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