X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=epclust%2FR%2Futils.R;fp=epclust%2FR%2Futils.R;h=0000000000000000000000000000000000000000;hb=56857861dc15088cf58e7438968fe5714b22168e;hp=40b0a180fa2340f757094f663eb143feb1a2e3b1;hpb=62deb4244895a20a35397dfb062f0b9fe94c5012;p=epclust.git

diff --git a/epclust/R/utils.R b/epclust/R/utils.R
deleted file mode 100644
index 40b0a18..0000000
--- a/epclust/R/utils.R
+++ /dev/null
@@ -1,75 +0,0 @@
-toInteger <- function(x, condition)
-{
-	if (!is.integer(x))
-		tryCatch(
-			{x = as.integer(x)[1]},
-			error = function(e) paste("cannot convert argument",substitute(x),"to integer")
-		)
-	if (!condition(x))
-		stop(paste("argument",substitute(x),"does not verify condition",body(condition)))
-	x
-}
-
-curvesToCoeffs = function(series, wf)
-{
-	L = length(series[1,])
-	D = ceiling( log2(L) )
-	nb_sample_points = 2^D
-	apply(series, 1, function(x) {
-		interpolated_curve = spline(1:L, x, n=nb_sample_points)$y
-		W = wavelets::dwt(interpolated_curve, filter=wf, D)@W
-		rev( sapply( W, function(v) ( sqrt( sum(v^2) ) ) ) )
-	})
-}
-
-#data: matrix of double or connection
-serialize = function(data, file, type, nb_per_chunk)
-{
-	bin_data = file(file, "ab")
-	#write data length on first call
-	nbytes = ifelse(type=="double",8,4)
-	first_write = FALSE
-	if (file.info(file)$size == 0)
-	{
-		#number of items always on 8 bytes
-		writeBin(0L, bin_data, size=8) #,endian="little")
-		first_write = TRUE
-	}
-	if (is.matrix(data))
-	{
-		writeBin(t(data), bin_data, size=nbytes)
-		data_length = ncol(data)
-	}
-	else #if (is(data, "connection"))
-	{
-		if (first_write)
-		{
-			data_line = scan(data, double(), sep=",", nlines=1)
-			writeBin(data_line, bin_data, size=nbytes)
-			data_length = length(data_line)
-		}
-		repeat
-		{
-			data_chunk = scan(data, double(), sep=",", nlines=nb_per_chunk)
-			if (length(data_chunk)==0)
-				break
-			writeBin(data_chunk, bin_data, size=nbytes)
-		}
-	}
-	if (first_write)
-	{
-		#ecrire file_size-1 / (nbytes*nbWritten) en 0 dans bin_data ! ignored == file_size
-		ignored = seek(bin_data, 0)
-		writeBin(data_length, bin_data, size=8)
-	}
-	close(bin_data)
-}
-
-#TODO: read in binary file, always same structure
-getDataFromFile(indices, file, type)
-{
-	bin_data = file(file, "rb")
-	nbytes = ifelse(type=="double",8,4)
-	data_length = readBin(bin_data,"double",1,nbytes) #,endian="little")
-	t(sapply(indices, function(i) readBin(bin_data,"double",n=data_length,size=nbytes)))
-}