> your function always affects 3 values ... would there be any gain > in makeing this call more generic ? > > a,b,c,d,x,y,ROL rotate the last x values on the stack by y steps to > the left. and maybe have -y role to the right?
IMHO it would be useful to have a look at Postcript stack manipulation operators. http://www.ugrad.math.ubc.ca/Flat/stack-ref.html Gabor _______________________________________________ rrd-developers mailing list rrd-developers@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/rrd-developers