From: John Darrington <john@darrington.wattle.id.au>
Date: Sun, 25 Mar 2012 23:30:56 +0000 (+0200)
Subject: Simplify algebra
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b3938165488f5562ab4c1e4a808f2f36407956c;p=pspp

Simplify algebra
---

diff --git a/src/output/charts/plot-hist-cairo.c b/src/output/charts/plot-hist-cairo.c
index ca1a30807a..87409b1a90 100644
--- a/src/output/charts/plot-hist-cairo.c
+++ b/src/output/charts/plot-hist-cairo.c
@@ -86,9 +86,7 @@ hist_draw_bar (cairo_t *cr, const struct xrchart_geometry *geom,
 
   assert ( upper >= lower);
 
-  height = gsl_histogram_get (h, bar) /
-    (geom->axis[SCALE_ORDINATE].max - geom->axis[SCALE_ORDINATE].min) *
-    (geom->axis[SCALE_ORDINATE].data_max - geom->axis[SCALE_ORDINATE].data_min);
+  height = geom->axis[SCALE_ORDINATE].scale * gsl_histogram_get (h, bar);
 
   cairo_rectangle (cr,
 		   geom->axis[SCALE_ABSCISSA].data_min + x_pos,