R/straight1.R

In holdem: Texas Holdem Simulator

straight1 <-
function(x){
a1 = sort(unique(x))
if (length(a1)<4.5) return(0)
a3 = 0
n = length(a1)
if(a1[n] == 14) a1 = c(1,a1) ## count ace as both 1 and 14
a2 = length(a1)
for(j in c(5:a2)){ ## j will be the potential highest card of straight
    if( sum(15^c(1:5) * a1[(j-4):j]) == sum(15^c(1:5) * ((a1[j]-4):a1[j]))) a3 = a1[j]
}
a3
}	## end of straight1