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 Uniterated bitwise ops Xorter Fellow Posts: 93 Threads: 30 Joined: Aug 2016   01/29/2017, 12:15 PM It is not so hard to expand bitwise operators to reals, we just need to start the sum from -infinity: $\sum_{-infinty} (x_i Op y_i)2^i$. But for instance, it is harder to do it with complexes. Here is a graph of y = x xor pi*x https://www.dropbox.com/s/51zz9lnzce53vi...).bmp?dl=0 We can iterate them, for exapmple: x iand y = x and x and ... and x, y times. Here is my pari/gp code: r kneser.gp tenyez=2^200; xor(x,y)={return(bitxor(round(x*tenyez),round(y*tenyez))/tenyez*1.0);} or(x,y)={return(bitor(round(x*tenyez),round(y*tenyez))/tenyez*1.0);} and(x,y)={return(bitand(round(x*tenyez),round(y*tenyez))/tenyez*1.0);} nand(x,y)={return(bitnegimply(round(x*tenyez),round(y*tenyez))/tenyez*1.0);} not(x)={return(bitneg(round(x*tenyez))/tenyez);} ixor(x,y)={return(if(y>2,ixor(x,y-1),xor(x,x)))} ior(x,y)={return(if(y>1,ixor(x,y-1),or(x,x)))} iand(x,y)={return(if(y>1,ixor(x,y-1),and(x,x)))} inand(x,y)={return(if(y>1,ixor(x,y-1),nand(x)))} My question is that: What is the uniterated op of these ones? So I have been looking for operators whose iterated ops are the and, or, nand, xor ... etc. Any idea? Xorter Unizo « Next Oldest | Next Newest »

 Messages In This Thread Uniterated bitwise ops - by Xorter - 01/29/2017, 12:15 PM

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