diff --git a/builtin_function.cpp b/builtin_function.cpp
index d61c2bd..2bfc171 100644
--- a/builtin_function.cpp
+++ b/builtin_function.cpp
@@ -409,6 +409,39 @@
    "       (declare (in) vec4 arg1)\n"
    "       (declare (in) vec4 arg2))\n"
    "     ((return (expression vec4 max (expression vec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n"
+   "\n"
+   "   (signature vec2\n"
+   "     (parameters\n"
+   "       (declare (in) vec2  arg0)\n"
+   "       (declare (in) float arg1)\n"
+   "       (declare (in) float arg2))\n"
+   "     ((declare () vec2 result)\n"
+   "      (assign (constant bool (1)) (swiz x (var_ref result)) (expression vec4 max (expression vec4 min (swiz x (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (assign (constant bool (1)) (swiz y (var_ref result)) (expression vec4 max (expression vec4 min (swiz y (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (return (var_ref result))))\n"
+   "\n"
+   "   (signature vec3\n"
+   "     (parameters\n"
+   "       (declare (in) vec3  arg0)\n"
+   "       (declare (in) float arg1)\n"
+   "       (declare (in) float arg2))\n"
+   "     ((declare () vec3 result)\n"
+   "      (assign (constant bool (1)) (swiz x (var_ref result)) (expression vec4 max (expression vec4 min (swiz x (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (assign (constant bool (1)) (swiz y (var_ref result)) (expression vec4 max (expression vec4 min (swiz y (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (assign (constant bool (1)) (swiz z (var_ref result)) (expression vec4 max (expression vec4 min (swiz z (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (return (var_ref result))))\n"
+   "\n"
+   "   (signature vec4\n"
+   "     (parameters\n"
+   "       (declare (in) vec4  arg0)\n"
+   "       (declare (in) float arg1)\n"
+   "       (declare (in) float arg2))\n"
+   "     ((declare () vec4 result)\n"
+   "      (assign (constant bool (1)) (swiz x (var_ref result)) (expression vec4 max (expression vec4 min (swiz x (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (assign (constant bool (1)) (swiz y (var_ref result)) (expression vec4 max (expression vec4 min (swiz y (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (assign (constant bool (1)) (swiz z (var_ref result)) (expression vec4 max (expression vec4 min (swiz z (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (assign (constant bool (1)) (swiz w (var_ref result)) (expression vec4 max (expression vec4 min (swiz w (var_ref arg0)) (var_ref arg2)) (var_ref arg1)))\n"
+   "      (return (var_ref result))))\n"
    "))\n"
 };
 
@@ -1082,7 +1115,7 @@
    "      (assign (constant bool (1))   (swiz z (var_ref result))\n"
    "              (expression float max (swiz z (var_ref arg0)) (var_ref arg1)))\n"
    "      (return (var_ref result))))\n"
-   "      \n"
+   "\n"
    "   (signature vec4\n"
    "     (parameters\n"
    "       (declare (in) vec4  arg0)\n"