89 lines
1.4 KiB
R
89 lines
1.4 KiB
R
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#' @export
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'+.Die' <- function(x, y){
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if(class(x) == "Die" & class(y) == "Die"){
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return(sumTwoDie(x, y))
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}
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if(class(x) %in% c("numeric", "integer")){
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die = y
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constant = x
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} else if(class(y) %in% c("numeric", "integer")){
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die = x
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constant = y
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} else{
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stop("Can only add two die or a die and a number")
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}
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if(length(constant) != 1){
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stop("Length of constant must be 1")
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}
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die$numbers <- die$numbers + constant
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return(die)
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}
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#' @export
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'>.Die' <- function(x,y){
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return(compareDie(x, y, `>`))
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}
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#' @export
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'>=.Die' <- function(x,y){
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return(compareDie(x, y, `>=`))
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}
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#' @export
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'<.Die' <- function(x,y){
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return(compareDie(x, y, `<`))
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}
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#' @export
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'<=.Die' <- function(x,y){
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return(compareDie(x, y, `<=`))
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}
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#' @export
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'==.Die' <- function(x,y){
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return(compareDie(x, y, `==`))
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}
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#' @export
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'*.Die' <- function(x, y){
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# At least one of the types should be numeric or integer
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if(!(class(x) %in% c("numeric", "integer")) & !(class(y) %in% c("numeric", "integer"))){
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stop("At least one type must be numeric")
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}
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if(class(x) == "Die"){
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die = x
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times = y
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}
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else{
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die = y
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times = x
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}
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times = as.integer(round(times))
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if(times < 1){
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stop("Cannot multiply a die by less than 1")
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}
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if(times == 1){
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return(die)
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}
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result = die
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for(i in 2:times){
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result = result + die
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}
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return(result)
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}
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