};
+void chart_vector_start (struct chart *ch, const char *name);
+void chart_vector (struct chart *ch, double x, double y);
+void chart_vector_end (struct chart *ch);
/* Plot a data point */
-void chart_datum(struct chart *ch, int dataset UNUSED, double x, double y);
+void chart_datum (struct chart *ch, int dataset UNUSED, double x, double y);
/* Draw a line with slope SLOPE and intercept INTERCEPT.
between the points limit1 and limit2.
If lim_dim is CHART_DIM_Y then the limit{1,2} are on the
y axis otherwise the x axis
*/
-void chart_line(struct chart *ch, double slope, double intercept,
+void chart_line (struct chart *ch, double slope, double intercept,
double limit1, double limit2, enum CHART_DIM lim_dim);