ref: c7bde5b0591d7c8df7182de9ceaa3e5e53d0973a dir: /sys/src/cmd/plot/libplot/dpoint.c/
#include "mplot.h" void dpoint(double x, double y){ draw(screen, Rect(SCX(x), SCY(y), SCX(x)+1, SCY(y)+1), getcolor(e1->foregr), nil, ZP); move(x, y); }