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# Copyright (c) 2013-2014, Ivan Popivanov
#
# 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.
round.any = function(x, accuracy, f=round) {
return(f(x/accuracy)*accuracy)
}
locf = function(v, value=NA, na.rm=F) {
if(NROW(dim(v)) == 0) {
v[] = locf.interface(v, value)
} else {
v[] = apply(v, NROW(dim(v)), locf.interface, value=value)
}
if(na.rm) v = na.trim(v, sides="left")
return(v)
}
leading.nas = function(x) {
return(leading.nas.interface(x))
}
laguerre.filter = function(x, gamma=0.8) {
res = laguerre.filter.interface(x, gamma)
res[1:4] = NA
return(reclass(res, x))
}
laguerre.rsi = function(x, gamma=0.8) {
res = laguerre.rsi.interface(x, gamma)
res[1:4] = NA
return(reclass(res, x))
}
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