diff --git a/autogen/lua_definitions/functions.lua b/autogen/lua_definitions/functions.lua
index 927b1ee9..c96badca 100644
--- a/autogen/lua_definitions/functions.lua
+++ b/autogen/lua_definitions/functions.lua
@@ -8201,7 +8201,7 @@ end
 --- @param a number
 --- @param b number
 --- @return number
-function fast_hypot(a, b)
+function hypotf(a, b)
     -- ...
 end
 
diff --git a/data/dynos_mgr_builtin.cpp b/data/dynos_mgr_builtin.cpp
index 96fb22fe..22e3fa6b 100644
--- a/data/dynos_mgr_builtin.cpp
+++ b/data/dynos_mgr_builtin.cpp
@@ -1398,7 +1398,6 @@ static const void* sDynosBuiltinFuncs[] = {
     define_builtin(geo_movtex_draw_water_regions_ext),
     define_builtin(lvl_init_or_update),
     define_builtin(geo_choose_area_ext),
-    define_builtin(geo_mario_cap_display_list),
 
     // Behaviors
     define_builtin(bhv_cap_switch_loop),
@@ -1976,6 +1975,7 @@ static const void* sDynosBuiltinFuncs[] = {
     define_builtin(bhv_star_number_loop),
     define_builtin(spawn_star_number),
     define_builtin(bhv_ferris_wheel_platform_init),
+    define_builtin(geo_mario_cap_display_list),
 };
 
 const void* DynOS_Builtin_Func_GetFromName(const char* aDataName) {
diff --git a/docs/lua/functions-5.md b/docs/lua/functions-5.md
index 9971063b..74826ced 100644
--- a/docs/lua/functions-5.md
+++ b/docs/lua/functions-5.md
@@ -1821,10 +1821,10 @@
 
 <br />
 
-## [fast_hypot](#fast_hypot)
+## [hypotf](#hypotf)
 
 ### Lua Example
-`local numberValue = fast_hypot(a, b)`
+`local numberValue = hypotf(a, b)`
 
 ### Parameters
 | Field | Type |
@@ -1836,7 +1836,7 @@
 - `number`
 
 ### C Prototype
-`f32 fast_hypot(f32 a, f32 b);`
+`f32 hypotf(f32 a, f32 b);`
 
 [:arrow_up_small:](#)
 
diff --git a/docs/lua/functions.md b/docs/lua/functions.md
index 88e0783a..ce7b3baf 100644
--- a/docs/lua/functions.md
+++ b/docs/lua/functions.md
@@ -1718,7 +1718,7 @@
    - [clamp](functions-5.md#clamp)
    - [clampf](functions-5.md#clampf)
    - [degrees_to_sm64](functions-5.md#degrees_to_sm64)
-   - [fast_hypot](functions-5.md#fast_hypot)
+   - [hypotf](functions-5.md#hypotf)
    - [radians_to_sm64](functions-5.md#radians_to_sm64)
    - [sm64_to_degrees](functions-5.md#sm64_to_degrees)
    - [sm64_to_radians](functions-5.md#sm64_to_radians)
diff --git a/src/engine/math_util.h b/src/engine/math_util.h
index f187948e..f05cff97 100644
--- a/src/engine/math_util.h
+++ b/src/engine/math_util.h
@@ -52,9 +52,10 @@ f32 coss(s16 sm64Angle);
 #if defined(__clang__) || defined(__GNUC__)
 
 #define absx(x) _Generic((x), \
-    f32: __builtin_fabsf(x), \
-    default: __builtin_abs(x) \
-)
+    f32: __builtin_fabsf, \
+    double: __builtin_fabs, \
+    default: __builtin_abs \
+)(x)
 
 #else
 
diff --git a/src/pc/lua/smlua_functions_autogen.c b/src/pc/lua/smlua_functions_autogen.c
index 11ca3cc0..a24cfd88 100644
--- a/src/pc/lua/smlua_functions_autogen.c
+++ b/src/pc/lua/smlua_functions_autogen.c
@@ -30199,21 +30199,21 @@ int smlua_func_degrees_to_sm64(lua_State* L) {
     return 1;
 }
 
-int smlua_func_fast_hypot(lua_State* L) {
+int smlua_func_hypotf(lua_State* L) {
     if (L == NULL) { return 0; }
 
     int top = lua_gettop(L);
     if (top != 2) {
-        LOG_LUA_LINE("Improper param count for '%s': Expected %u, Received %u", "fast_hypot", 2, top);
+        LOG_LUA_LINE("Improper param count for '%s': Expected %u, Received %u", "hypotf", 2, top);
         return 0;
     }
 
     f32 a = smlua_to_number(L, 1);
-    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "fast_hypot"); return 0; }
+    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "hypotf"); return 0; }
     f32 b = smlua_to_number(L, 2);
-    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "fast_hypot"); return 0; }
+    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "hypotf"); return 0; }
 
-    lua_pushnumber(L, fast_hypot(a, b));
+    lua_pushnumber(L, hypotf(a, b));
 
     return 1;
 }
@@ -34873,7 +34873,7 @@ void smlua_bind_functions_autogen(void) {
     smlua_bind_function(L, "clamp", smlua_func_clamp);
     smlua_bind_function(L, "clampf", smlua_func_clampf);
     smlua_bind_function(L, "degrees_to_sm64", smlua_func_degrees_to_sm64);
-    smlua_bind_function(L, "fast_hypot", smlua_func_fast_hypot);
+    smlua_bind_function(L, "hypotf", smlua_func_hypotf);
     smlua_bind_function(L, "radians_to_sm64", smlua_func_radians_to_sm64);
     smlua_bind_function(L, "sm64_to_degrees", smlua_func_sm64_to_degrees);
     smlua_bind_function(L, "sm64_to_radians", smlua_func_sm64_to_radians);
diff --git a/src/pc/lua/utils/smlua_math_utils.h b/src/pc/lua/utils/smlua_math_utils.h
index 38be442b..7d1b4047 100644
--- a/src/pc/lua/utils/smlua_math_utils.h
+++ b/src/pc/lua/utils/smlua_math_utils.h
@@ -5,7 +5,7 @@ f32 sm64_to_radians(s16 sm64Angle);
 s16 radians_to_sm64(f32 radiansAngle);
 f32 sm64_to_degrees(s16 sm64Angle);
 s16 degrees_to_sm64(f32 degreesAngle);
-f32 fast_hypot(f32 a, f32 b);
+f32 hypotf(f32 a, f32 b);
 s32 clamp(s32 a, s32 b, s32 c);
 f32 clampf(f32 a, f32 b, f32 c);