along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
-
+#include "math/decimal.h"
#include "output/charts/plot-hist.h"
#include <float.h>
cairo_stroke (cr);
if (label)
- draw_tick (cr, geom, SCALE_ABSCISSA, bins > 10,
- x_pos + width / 2.0, "%.*g",
- DBL_DIG + 1, (upper + lower) / 2.0);
+ {
+ struct decimal decupper;
+ struct decimal declower;
+ struct decimal middle;
+ decimal_from_double (&declower, lower);
+ decimal_from_double (&decupper, upper);
+ middle = declower;
+ decimal_add (&middle, &decupper);
+ decimal_int_divide (&middle, 2);
+ char *str = decimal_to_string (&middle);
+ draw_tick (cr, geom, SCALE_ABSCISSA, bins > 10,
+ x_pos + width / 2.0, "%s", str);
+ free (str);
+ }
}
void
bins = gsl_histogram_bins (h->gsl_hist);
- xrchart_write_yscale (cr, geom, 0, gsl_histogram_max_val (h->gsl_hist), 5);
+ xrchart_write_yscale (cr, geom, 0, gsl_histogram_max_val (h->gsl_hist));
for (i = 0; i < bins; i++)
{