477 static double find_step(double first, double last, int num_ticks)  in find_step()  argument
481 	double step = (last - first) / num_ticks;  in find_step()
488 	       && (last - first) / (step * mini_step[cur_mini_step]) > num_ticks)  in find_step()
501 void set_xticks(struct plot *plot, int num_ticks, int first, int last)  in set_xticks()  argument
515 	step = find_step(first, last, num_ticks);  in set_xticks()
520 	num_ticks = (double)(last - first - step) / step + 1;  in set_xticks()
523 	for (i = 0; i < num_ticks; i++) {  in set_xticks()
603 void set_yticks(struct plot *plot, int num_ticks, int first, int last, char *units)  in set_yticks()  argument
605 	int pixels_per_tick = graph_height / num_ticks;  in set_yticks()
606 	int step = (last - first) / num_ticks;  in set_yticks()
613 	for (i = 0; i < num_ticks; i++) {  in set_yticks()