371 	double miny, double maxy, int nticks, int add_tm_text)  in graph_draw_y_ticks()  argument
378 	nticks = calc_tickmarks(miny, maxy, nticks, &tm, &power_of_ten,  in graph_draw_y_ticks()
388 	maxy = tm[nticks - 1].value;  in graph_draw_y_ticks()
391 		ty = y2 - (((tm[i].value) - miny) / (maxy - miny)) * (y2 - y1);  in graph_draw_y_ticks()
433 	return maxy;  in graph_draw_y_ticks()
530 	double minx, miny, maxx, maxy, gminx, gminy, gmaxx, gmaxy;  in line_graph_draw()  local
553 	maxy = find_xy_value(g, gety, maxdouble);  in line_graph_draw()
555 	if (fabs(maxx - minx) < 1e-20 || fabs(maxy - miny) < 1e-20) {  in line_graph_draw()
560 		maxy = 100.0;  in line_graph_draw()
569 		top_extra = fabs(maxy - miny) * g->top_extra;  in line_graph_draw()
571 		bottom_extra = fabs(maxy - miny) * g->bottom_extra;  in line_graph_draw()
580 	gmaxy = maxy + top_extra;  in line_graph_draw()
965 	double maxy, miny;  in graph_find_tooltip()  local
974 	maxy = y + (g->ytick_one_val * TOOLTIP_DELTA);  in graph_find_tooltip()
1007 					    (yval >= miny && yval <= maxy)) {  in graph_find_tooltip()