Everywhere: Use AK/Math.h if applicable

AK's version should see better inlining behaviors, than the LibM one.
We avoid mixed usage for now though.

Also clean up some stale math includes and improper floatingpoint usage.

3 files changed, 13 insertions, 15 deletions

diff --git a/Userland/Demos/CatDog/CatDog.h b/Userland/Demos/CatDog/CatDog.h
index 6d9ba5ea3a..6c730df0a8 100644
--- a/Userland/Demos/CatDog/CatDog.h
+++ b/Userland/Demos/CatDog/CatDog.h
@@ -7,7 +7,6 @@
 #include <LibCore/ElapsedTimer.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Widget.h>
-#include <math.h>
 #include <unistd.h>
 
 #pragma once
diff --git a/Userland/Demos/Eyes/EyesWidget.cpp b/Userland/Demos/Eyes/EyesWidget.cpp
index 87eb099787..64c1f1e7f1 100644
--- a/Userland/Demos/Eyes/EyesWidget.cpp
+++ b/Userland/Demos/Eyes/EyesWidget.cpp
@@ -5,12 +5,12 @@
  */
 
 #include "EyesWidget.h"
+#include <AK/Math.h>
 #include <AK/StdLibExtraDetails.h>
 #include <LibGUI/Painter.h>
 #include <LibGUI/Window.h>
 #include <LibGUI/WindowServerConnection.h>
 #include <LibGfx/Palette.h>
-#include <math.h>
 
 EyesWidget::~EyesWidget()
 {
@@ -79,7 +79,7 @@ Gfx::IntPoint EyesWidget::pupil_center(Gfx::IntRect& eyeball_bounds) const
     auto mouse_vector = m_mouse_position - eyeball_bounds.center();
     double dx = mouse_vector.x();
     double dy = mouse_vector.y();
-    double mouse_distance = sqrt(dx * dx + dy * dy);
+    double mouse_distance = AK::hypot(dx, dy);
 
     if (mouse_distance == 0.0)
         return eyeball_bounds.center();
@@ -93,14 +93,14 @@ Gfx::IntPoint EyesWidget::pupil_center(Gfx::IntRect& eyeball_bounds) const
     if (dx != 0 && AK::abs(dx) >= AK::abs(dy)) {
         double slope = dy / dx;
         double slope_squared = slope * slope;
-        max_distance_along_this_direction = 0.25 * sqrt(
+        max_distance_along_this_direction = 0.25 * AK::sqrt(
             (slope_squared + 1) /
             (1 / width_squared + slope_squared / height_squared)
         );
     } else if (dy != 0 && AK::abs(dy) >= AK::abs(dx)) {
         double slope = dx / dy;
         double slope_squared = slope * slope;
-        max_distance_along_this_direction = 0.25 * sqrt(
+        max_distance_along_this_direction = 0.25 * AK::sqrt(
             (slope_squared + 1) /
             (slope_squared / width_squared + 1 / height_squared)
         );
diff --git a/Userland/Demos/Mouse/main.cpp b/Userland/Demos/Mouse/main.cpp
index ec3a8c8216..7e1cbf30e5 100644
--- a/Userland/Demos/Mouse/main.cpp
+++ b/Userland/Demos/Mouse/main.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/Math.h>
 #include <LibGUI/Action.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
@@ -18,8 +19,6 @@
 #include <LibGfx/Path.h>
 #include <unistd.h>
 
-#include <math.h>
-
 class MainFrame final : public GUI::Frame {
     C_OBJECT(MainFrame);
 
@@ -100,17 +99,17 @@ public:
             Gfx::IntPoint p3;
             Gfx::IntPoint p4;
 
-            p1.set_x(radius * cos(M_PI * m_wheel_delta_acc / 18) + off_x);
-            p1.set_y(radius * sin(M_PI * m_wheel_delta_acc / 18) + off_y);
+            p1.set_x(radius * AK::cos(AK::Pi<double> * m_wheel_delta_acc / 18.) + off_x);
+            p1.set_y(radius * AK::sin(AK::Pi<double> * m_wheel_delta_acc / 18.) + off_y);
 
-            p2.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 18) / 18) + off_x);
-            p2.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 18) / 18) + off_y);
+            p2.set_x(radius * AK::cos(AK::Pi<double> * (m_wheel_delta_acc + 18) / 18.) + off_x);
+            p2.set_y(radius * AK::sin(AK::Pi<double> * (m_wheel_delta_acc + 18) / 18.) + off_y);
 
-            p3.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 9) / 18) + off_x);
-            p3.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 9) / 18) + off_y);
+            p3.set_x(radius * AK::cos(AK::Pi<double> * (m_wheel_delta_acc + 9) / 18.) + off_x);
+            p3.set_y(radius * AK::sin(AK::Pi<double> * (m_wheel_delta_acc + 9) / 18.) + off_y);
 
-            p4.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 27) / 18) + off_x);
-            p4.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 27) / 18) + off_y);
+            p4.set_x(radius * AK::cos(AK::Pi<double> * (m_wheel_delta_acc + 27) / 18.) + off_x);
+            p4.set_y(radius * AK::sin(AK::Pi<double> * (m_wheel_delta_acc + 27) / 18.) + off_y);
 
             painter.draw_line(p1, p2, Color::Red, 2);
             painter.draw_line(p3, p4, Color::Red, 2);