From 172d8abb34faf04393797d4410baf734b74796c3 Mon Sep 17 00:00:00 2001
From: Neil Fuller <nfuller@google.com>
Date: Thu, 2 Oct 2014 15:49:17 +0100
Subject: Remove dependencies on FloatMath

See frameworks/base commit 33253a4baa6279f81a73425b49dfb6abe5f5416e
for details.

Bug: https://code.google.com/p/android/issues/detail?id=36199
Change-Id: I3e06d3050dc14c2b065ade4fa6a00079c2be735f
---
 .../src/com/android/incallui/AccelerometerListener.java   |  2 +-
 .../incallui/widget/multiwaveview/GlowPadView.java        |  2 +-
 .../android/incallui/widget/multiwaveview/PointCloud.java | 15 +++++++--------
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/InCallUI/src/com/android/incallui/AccelerometerListener.java b/InCallUI/src/com/android/incallui/AccelerometerListener.java
index 1a7077866..95f48e363 100644
--- a/InCallUI/src/com/android/incallui/AccelerometerListener.java
+++ b/InCallUI/src/com/android/incallui/AccelerometerListener.java
@@ -120,7 +120,7 @@ public final class AccelerometerListener {
         if (x == 0.0 || y == 0.0 || z == 0.0) return;
 
         // magnitude of the acceleration vector projected onto XY plane
-        final double xy = Math.sqrt(x*x + y*y);
+        final double xy = Math.hypot(x, y);
         // compute the vertical angle
         double angle = Math.atan2(xy, z);
         // convert to degrees
diff --git a/InCallUI/src/com/android/incallui/widget/multiwaveview/GlowPadView.java b/InCallUI/src/com/android/incallui/widget/multiwaveview/GlowPadView.java
index a346ba593..0b2d61253 100644
--- a/InCallUI/src/com/android/incallui/widget/multiwaveview/GlowPadView.java
+++ b/InCallUI/src/com/android/incallui/widget/multiwaveview/GlowPadView.java
@@ -877,7 +877,7 @@ public class GlowPadView extends View {
             // tx and ty are relative to wave center
             float tx = eventX - mWaveCenterX;
             float ty = eventY - mWaveCenterY;
-            float touchRadius = (float) Math.sqrt(dist2(tx, ty));
+            float touchRadius = (float) Math.hypot(tx, ty);
             final float scale = touchRadius > mOuterRadius ? mOuterRadius / touchRadius : 1.0f;
             float limitX = tx * scale;
             float limitY = ty * scale;
diff --git a/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java b/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java
index 77aac2bda..07a2cb964 100644
--- a/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java
+++ b/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java
@@ -20,7 +20,6 @@ import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.drawable.Drawable;
-import android.util.FloatMath;
 import android.util.Log;
 
 import java.util.ArrayList;
@@ -151,8 +150,8 @@ public class PointCloud {
             float eta = PI/2.0f;
             float dEta = 2.0f * PI / pointsInBand;
             for (int i = 0; i < pointsInBand; i++) {
-                float x = r * FloatMath.cos(eta);
-                float y = r * FloatMath.sin(eta);
+                float x = r * (float) Math.cos(eta);
+                float y = r * (float) Math.sin(eta);
                 eta += dEta;
                 mPointCloud.add(new Point(x, y, r));
             }
@@ -168,7 +167,7 @@ public class PointCloud {
     }
 
     private static float hypot(float x, float y) {
-        return FloatMath.sqrt(x*x + y*y);
+        return (float) Math.hypot(x, y);
     }
 
     private static float max(float a, float b) {
@@ -181,8 +180,8 @@ public class PointCloud {
         float glowAlpha = 0.0f;
 
         if (glowDistance < glowManager.radius) {
-            float cosf = FloatMath.cos(PI * 0.25f * glowDistance / glowManager.radius);
-            glowAlpha = glowManager.alpha * max(0.0f, (float) Math.pow(cosf, 10.0f));
+            double cos = Math.cos(Math.PI * 0.25d * glowDistance / glowManager.radius);
+            glowAlpha = glowManager.alpha * max(0.0f, (float) Math.pow(cos, 10.0d));
         }
 
         // Compute contribution from Wave
@@ -190,8 +189,8 @@ public class PointCloud {
         float distanceToWaveRing = (radius - waveManager.radius);
         float waveAlpha = 0.0f;
         if (distanceToWaveRing < waveManager.width * 0.5f && distanceToWaveRing < 0.0f) {
-            float cosf = FloatMath.cos(PI * 0.25f * distanceToWaveRing / waveManager.width);
-            waveAlpha = waveManager.alpha * max(0.0f, (float) Math.pow(cosf, 20.0f));
+            double cos = Math.cos(Math.PI * 0.25d * distanceToWaveRing / waveManager.width);
+            waveAlpha = waveManager.alpha * max(0.0f, (float) Math.pow(cos, 20.0d));
         }
 
         return (int) (max(glowAlpha, waveAlpha) * 255);
-- 
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