diff --git a/imgui.cpp b/imgui.cpp
index 4944a288..2ea7c257 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -3376,7 +3376,7 @@ bool ImGui::BeginChild(const char* str_id, const ImVec2& size_arg, bool border,
     ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
 
     const ImVec2 content_avail = ImGui::GetContentRegionAvail();
-    ImVec2 size = ImRound(size_arg);
+    ImVec2 size = ImFloor(size_arg);
     if (size.x <= 0.0f)
     {
         if (size.x == 0.0f)
@@ -9351,8 +9351,8 @@ void ImGui::ShowMetricsWindow(bool* opened)
                         ImDrawIdx* idx_buffer = (draw_list->IdxBuffer.Size > 0) ? draw_list->IdxBuffer.Data : NULL;
                         for (int i = elem_offset; i < elem_offset + (int)pcmd->ElemCount; i++)
                             vtxs_rect.Add(draw_list->VtxBuffer[idx_buffer ? idx_buffer[i] : i].pos);
-                        clip_rect.Round(); overlay_draw_list->AddRect(clip_rect.Min, clip_rect.Max, ImColor(255,255,0));
-                        vtxs_rect.Round(); overlay_draw_list->AddRect(vtxs_rect.Min, vtxs_rect.Max, ImColor(255,0,255));
+                        clip_rect.Floor(); overlay_draw_list->AddRect(clip_rect.Min, clip_rect.Max, ImColor(255,255,0));
+                        vtxs_rect.Floor(); overlay_draw_list->AddRect(vtxs_rect.Min, vtxs_rect.Max, ImColor(255,0,255));
                     }
                     if (!draw_opened)
                         continue;
diff --git a/imgui_internal.h b/imgui_internal.h
index c105a485..8d18d1b5 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -135,7 +135,7 @@ static inline ImVec2 ImLerp(const ImVec2& a, const ImVec2& b, const ImVec2& t)
 static inline float  ImLengthSqr(const ImVec2& lhs)                             { return lhs.x*lhs.x + lhs.y*lhs.y; }
 static inline float  ImLengthSqr(const ImVec4& lhs)                             { return lhs.x*lhs.x + lhs.y*lhs.y + lhs.z*lhs.z + lhs.w*lhs.w; }
 static inline float  ImInvLength(const ImVec2& lhs, float fail_value)           { float d = lhs.x*lhs.x + lhs.y*lhs.y; if (d > 0.0f) return 1.0f / sqrtf(d); return fail_value; }
-static inline ImVec2 ImRound(ImVec2 v)                                          { return ImVec2((float)(int)v.x, (float)(int)v.y); }
+static inline ImVec2 ImFloor(ImVec2 v)                                          { return ImVec2((float)(int)v.x, (float)(int)v.y); }
 
 // We call C++ constructor on own allocated memory via the placement "new(ptr) Type()" syntax.
 // Defining a custom placement new() with a dummy parameter allows us to bypass including <new> which on some platforms complains when user has disabled exceptions.
@@ -231,7 +231,7 @@ struct IMGUI_API ImRect
     void        Expand(const ImVec2& amount)    { Min.x -= amount.x; Min.y -= amount.y; Max.x += amount.x; Max.y += amount.y; }
     void        Reduce(const ImVec2& amount)    { Min.x += amount.x; Min.y += amount.y; Max.x -= amount.x; Max.y -= amount.y; }
     void        Clip(const ImRect& clip)        { if (Min.x < clip.Min.x) Min.x = clip.Min.x; if (Min.y < clip.Min.y) Min.y = clip.Min.y; if (Max.x > clip.Max.x) Max.x = clip.Max.x; if (Max.y > clip.Max.y) Max.y = clip.Max.y; }
-    void        Round()                         { Min.x = (float)(int)Min.x; Min.y = (float)(int)Min.y; Max.x = (float)(int)Max.x; Max.y = (float)(int)Max.y; }
+    void        Floor()                         { Min.x = (float)(int)Min.x; Min.y = (float)(int)Min.y; Max.x = (float)(int)Max.x; Max.y = (float)(int)Max.y; }
     ImVec2      GetClosestPoint(ImVec2 p, bool on_edge) const
     {
         if (!on_edge && Contains(p))