diff --git a/include/cglm/noise.h b/include/cglm/noise.h
index 3c42e18..4d35145 100644
--- a/include/cglm/noise.h
+++ b/include/cglm/noise.h
@@ -43,20 +43,6 @@ _glm_vec4_floor(vec4 x, vec4 dest) {
     dest[3] = floorf(x[3]);
 }
 
-/*!
- * @brief floor each element of v, result is written to dest
- *
- * @param[in]  v    vector
- * @param[out] dest destination vector
- */
-CGLM_INLINE
-void
-_glm_vec3_floor(vec3 x, vec3 dest) {
-    dest[0] = floorf(x[0]);
-    dest[1] = floorf(x[1]);
-    dest[2] = floorf(x[2]);
-}
-
 /*!
  * @brief mod v by a scalar, result is written to dest (dest = v % s)
  *
@@ -673,7 +659,7 @@ float
 glm_perlin_vec3(vec3 point) {
     // Integer part of p for indexing
     vec3 Pi0;
-    _glm_vec3_floor(point, Pi0); // Pi0 = floor(point);
+    glm_vec3_floor(point, Pi0); // Pi0 = floor(point);
 
     // Integer part + 1
     vec3 Pi1;
diff --git a/include/cglm/vec3-ext.h b/include/cglm/vec3-ext.h
index 808d32c..a1ce049 100644
--- a/include/cglm/vec3-ext.h
+++ b/include/cglm/vec3-ext.h
@@ -26,6 +26,7 @@
    CGLM_INLINE void  glm_vec3_sign(vec3 v, vec3 dest);
    CGLM_INLINE void  glm_vec3_abs(vec3 v, vec3 dest);
    CGLM_INLINE void  glm_vec3_fract(vec3 v, vec3 dest);
+   CGLM_INLINE void  glm_vec3_floor(vec3 v, vec3 dest);
    CGLM_INLINE float glm_vec3_hadd(vec3 v);
    CGLM_INLINE void  glm_vec3_sqrt(vec3 v, vec3 dest);
  */
@@ -250,6 +251,20 @@ glm_vec3_fract(vec3 v, vec3 dest) {
   dest[2] = fminf(v[2] - floorf(v[2]), 0.999999940395355224609375f);
 }
 
+/*!
+ * @brief floor of each vector item
+ *
+ * @param[in]  v    vector
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec3_floor(vec3 x, vec3 dest) {
+    dest[0] = floorf(x[0]);
+    dest[1] = floorf(x[1]);
+    dest[2] = floorf(x[2]);
+}
+
 /*!
  * @brief vector reduction by summation
  * @warning could overflow