1 files changed, 16 insertions, 0 deletions
diff --git a/tests/dimension/arithexp.pov b/tests/dimension/arithexp.pov
index d25be7d..30281e5 100644
--- a/tests/dimension/arithexp.pov
+++ b/tests/dimension/arithexp.pov
@@ -24,6 +24,8 @@ sphere {
   exp(1) - 1*2
 }
 
+/* Float functions */
+
 #if (abs(-1) != 1)
   #error "abs"
 #end
@@ -167,3 +169,17 @@ sphere {
 #if (vlength(1) != 1.732050807568877)
   #error "vlength"
 #end
+
+/* Float built-in IDs */
+
+#if (pi != 3.141592653589793)
+  #error "pi"
+#end
+
+#if (!true | !yes | !on)
+  #error "true"
+#end
+
+#if (false | no | off)
+  #error "false"
+#end