Merge branch 'zerosOnes3D+' into admix1

This commit is contained in:
Waldir Leoncio 2020-03-18 11:42:48 +01:00
commit 389975366d
4 changed files with 39 additions and 7 deletions

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@ -8,8 +8,15 @@
#' @note Actually works for any `x`, but there's no need to bother imposing #' @note Actually works for any `x`, but there's no need to bother imposing
#' validation controls here. #' validation controls here.
zeros_or_ones <- function(n, x) { zeros_or_ones <- function(n, x) {
# Expanding n to length 2 if necessary
if (length(n) == 1) n <- c(n, n) if (length(n) == 1) n <- c(n, n)
return(matrix(x, n[1], n[2]))
# Returning a matrix or an array
if (length(n) == 2) {
return(matrix(x, n[1], n[2]))
} else {
return(array(x, dim=n))
}
} }
#' @title Matrix of zeros #' @title Matrix of zeros
@ -17,8 +24,14 @@ zeros_or_ones <- function(n, x) {
#' the `zeros()` function on Matlab #' the `zeros()` function on Matlab
#' @param n1 number of rows #' @param n1 number of rows
#' @param n2 number of columns #' @param n2 number of columns
zeros <- function(n1, n2 = n1) { #' @param ... extra dimensions
return(zeros_or_ones(c(n1, n2), 0)) zeros <- function(n1, n2 = n1, ...) {
if (length(n1) == 1) {
n <- c(n1, n2, ...)
} else {
n <- n1
}
return(zeros_or_ones(n, 0))
} }
#' @title Matrix of ones #' @title Matrix of ones
@ -26,6 +39,12 @@ zeros <- function(n1, n2 = n1) {
#' the `ones()` function on Matlab #' the `ones()` function on Matlab
#' @param n1 number of rows #' @param n1 number of rows
#' @param n2 number of columns #' @param n2 number of columns
ones <- function(n1, n2 = n1) { #' @param ... extra dimensions
return(zeros_or_ones(c(n1, n2), 1)) ones <- function(n1, n2 = n1, ...) {
if (length(n1) == 1) {
n <- c(n1, n2, ...)
} else {
n <- n1
}
return(zeros_or_ones(n, 1))
} }

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@ -4,12 +4,14 @@
\alias{ones} \alias{ones}
\title{Matrix of ones} \title{Matrix of ones}
\usage{ \usage{
ones(n1, n2 = n1) ones(n1, n2 = n1, ...)
} }
\arguments{ \arguments{
\item{n1}{number of rows} \item{n1}{number of rows}
\item{n2}{number of columns} \item{n2}{number of columns}
\item{...}{extra dimensions}
} }
\description{ \description{
wrapper of `zeros_or_ones()` that replicates the behavior of wrapper of `zeros_or_ones()` that replicates the behavior of

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@ -4,12 +4,14 @@
\alias{zeros} \alias{zeros}
\title{Matrix of zeros} \title{Matrix of zeros}
\usage{ \usage{
zeros(n1, n2 = n1) zeros(n1, n2 = n1, ...)
} }
\arguments{ \arguments{
\item{n1}{number of rows} \item{n1}{number of rows}
\item{n2}{number of columns} \item{n2}{number of columns}
\item{...}{extra dimensions}
} }
\description{ \description{
wrapper of `zeros_or_ones()` that replicates the behavior of wrapper of `zeros_or_ones()` that replicates the behavior of

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@ -39,9 +39,11 @@ test_that("zeros and ones work as expected", {
expect_equal(zeros(2), matrix(0, 2, 2)) expect_equal(zeros(2), matrix(0, 2, 2))
expect_equal(zeros(2, 1), matrix(0, 2, 1)) expect_equal(zeros(2, 1), matrix(0, 2, 1))
expect_equal(zeros(1, 10), matrix(0, 1, 10)) expect_equal(zeros(1, 10), matrix(0, 1, 10))
expect_equal(zeros(3, 2, 4), array(0, c(3, 2, 4)))
expect_equal(ones(8), matrix(1, 8, 8)) expect_equal(ones(8), matrix(1, 8, 8))
expect_equal(ones(5, 2), matrix(1, 5, 2)) expect_equal(ones(5, 2), matrix(1, 5, 2))
expect_equal(ones(2, 100), matrix(1, 2, 100)) expect_equal(ones(2, 100), matrix(1, 2, 100))
expect_equal(ones(3, 2, 4, 2), array(1, c(3, 2, 4, 2)))
}) })
test_that("times works as expected", { test_that("times works as expected", {
@ -151,4 +153,11 @@ test_that("find works as expected", {
expect_equal(find(X), c(1, 5, 7, 8, 9)) expect_equal(find(X), c(1, 5, 7, 8, 9))
expect_equal(find(!X), c(2, 3, 4, 6)) expect_equal(find(!X), c(2, 3, 4, 6))
expect_equal(find(Y == 13), 7) expect_equal(find(Y == 13), 7)
})
test_that("sortrows works as expected", {
mx <- matrix(c(3, 2, 2, 1, 1, 10, 0, pi), 4)
expect_equal(sortrows(mx), matrix(c(1, 2, 2, 3, pi, 10, 0, 1), 4))
expect_equal(sortrows(mx, 2), matrix(c(2, 3, 1, 2, 0, 1, pi, 10), 4))
expect_equal(sortrows(mx, 1:2), mx[order(mx[, 1], mx[, 2]), ])
}) })