1 files changed, 28 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/examples/floor.asy b/Build/source/utils/asymptote/examples/floor.asy
new file mode 100644
index 00000000000..96e71812c01
--- /dev/null
+++ b/Build/source/utils/asymptote/examples/floor.asy
@@ -0,0 +1,28 @@
+import graph;
+unitsize(1cm);
+
+real Floor(real x) {return floor(x);}
+
+pair[] Close;
+pair[] Open;
+
+bool3 branch(real x) {
+  static real lasty;
+  static bool first=true;
+  real y=floor(x);
+  bool samebranch=first || lasty == y; 
+  first=false;
+  if(samebranch) lasty=x;
+  else {
+    Close.push((x,lasty));
+    Open.push((x,y));
+  }
+  lasty=y;
+  return samebranch ? true : default;
+};
+
+draw(graph(Floor,-5.5,5.5,500,branch)); 
+axes("$x$","$\lfloor x\rfloor$",red);
+
+dot(Close);
+dot(Open,UnFill);