Fix alignment in Engine Output window

Numbers above 1000M would become too wide for their field. This is
solved by introducing the abbreviation 'G'. Values below 10M or 10G
now get an extra digit in their fraction, so that the precision is
at least 1%.

diff --git a/engineoutput.c b/engineoutput.c
index 1ca977b..2532ef8 100644 (file)
--- a/engineoutput.c
+++ b/engineoutput.c
@@ -446,7 +446,9 @@ Format(char *buf, int val)
             snprintf( buf, 24, "%d%s\t", val, spaces + 2*i);
         }
         else {
-            snprintf( buf, 24, "%.1fM%s\t", val/1000000.0, spaces + 8 + 2*(val > 1e7));
+            char unit = 'M';
+            if(val >= 1e9) val /= 1e3, unit = 'G';
+            snprintf( buf, 24, "%.*f%c%s\t", 1 + (val < 1e7), val/1e6, unit, spaces + 10 + 2*(val >= 1e8));
         }
 }
 
@@ -568,8 +570,11 @@ UpdateControls (EngineOutputData *ed)
             snprintf( s_nodes, sizeof(s_nodes)/sizeof(s_nodes[0]), u64Display "%s\t", ed->nodes, spaces + 2*i);
         }
         else {
-            snprintf( s_nodes, sizeof(s_nodes)/sizeof(s_nodes[0]), "%.1fM%s\t", u64ToDouble(ed->nodes) / 1000000.0,
-                      spaces + 8 + 2*(ed->nodes > 1e7));
+            double x = u64ToDouble(ed->nodes);
+            char unit = 'M';
+            if(x >= 1e9) x /= 1e3, unit = 'G';
+            snprintf( s_nodes, sizeof(s_nodes)/sizeof(s_nodes[0]), "%.*f%c%s\t", 1 + (x < 1e7), x / 1e6,
+                      unit, spaces + 10 + 2*(ed->nodes >= 1e8));
         }
 
         /* TB Hits etc. */