# File src/library/base/R/findInt.R
# Part of the R package, https://www.R-project.org
#
# Copyright (C) 1995-2014 The R Core Team
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# A copy of the GNU General Public License is available at
# https://www.R-project.org/Licenses/
### This is a `variant' of approx( method = "constant" ) :
findInterval <- function(x, vec, rightmost.closed = FALSE, all.inside = FALSE)
{
## Purpose: returns the indices of x in vec; vec[] sorted
## ---------------------------------------------------------
## Author: Martin Maechler, Date: 4 Jan 2002, 10:16 (of very different .C version)
if(anyNA(vec))
stop("'vec' contains NAs")
if(is.unsorted(vec))
stop("'vec' must be sorted non-decreasingly")
.Internal(findInterval(as.double(vec), as.double(x),
rightmost.closed, all.inside))
}
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