Don't use equality comparisons for floats

This fixes an issue where F0 moves arise from 0-width (or 0 layer height?) support material segments when using autospeed. Fixes: #3261
slic3r · Mar 8, 2016 · 5f8eea9 · 5f8eea9
1 parent a32937c
commit 5f8eea9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/Slic3r/Print/GCode.pm b/lib/Slic3r/Print/GCode.pm
@@ -75,7 +75,8 @@ sub BUILD {
                     }
                 }
             }
-            @mm3_per_mm = grep $_ != 0, @mm3_per_mm;
+            # filter out 0-width segments
+            @mm3_per_mm = grep $_ > 0.000001, @mm3_per_mm;
             if (@mm3_per_mm) {
                 my $min_mm3_per_mm = min(@mm3_per_mm);
                 # In order to honor max_print_speed we need to find a target volumetric