Merge "Switch from FloatMath -> Math and Math.hypot where possible"

4 files changed, 19 insertions, 26 deletions

diff --git a/core/java/android/widget/OverScroller.java b/core/java/android/widget/OverScroller.java
index f218199..0d692eb 100644
--- a/core/java/android/widget/OverScroller.java
+++ b/core/java/android/widget/OverScroller.java
@@ -18,7 +18,6 @@ package android.widget;
 
 import android.content.Context;
 import android.hardware.SensorManager;
-import android.util.FloatMath;
 import android.util.Log;
 import android.view.ViewConfiguration;
 import android.view.animation.AnimationUtils;
@@ -173,9 +172,7 @@ public class OverScroller {
      * @return The original velocity less the deceleration, norm of the X and Y velocity vector.
      */
     public float getCurrVelocity() {
-        float squaredNorm = mScrollerX.mCurrVelocity * mScrollerX.mCurrVelocity;
-        squaredNorm += mScrollerY.mCurrVelocity * mScrollerY.mCurrVelocity;
-        return FloatMath.sqrt(squaredNorm);
+        return (float) Math.hypot(mScrollerX.mCurrVelocity, mScrollerY.mCurrVelocity);
     }
 
     /**
diff --git a/core/java/android/widget/Scroller.java b/core/java/android/widget/Scroller.java
index 3bfd39d..760e05c 100644
--- a/core/java/android/widget/Scroller.java
+++ b/core/java/android/widget/Scroller.java
@@ -19,7 +19,6 @@ package android.widget;
 import android.content.Context;
 import android.hardware.SensorManager;
 import android.os.Build;
-import android.util.FloatMath;
 import android.view.ViewConfiguration;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
@@ -436,7 +435,7 @@ public class Scroller  {
 
             float dx = (float) (mFinalX - mStartX);
             float dy = (float) (mFinalY - mStartY);
-            float hyp = FloatMath.sqrt(dx * dx + dy * dy);
+            float hyp = (float) Math.hypot(dx, dy);
 
             float ndx = dx / hyp;
             float ndy = dy / hyp;
@@ -453,7 +452,7 @@ public class Scroller  {
         mMode = FLING_MODE;
         mFinished = false;
 
-        float velocity = FloatMath.sqrt(velocityX * velocityX + velocityY * velocityY);
+        float velocity = (float) Math.hypot(velocityX, velocityY);
      
         mVelocity = velocity;
         mDuration = getSplineFlingDuration(velocity);
diff --git a/core/java/android/widget/StackView.java b/core/java/android/widget/StackView.java
index 6853660..7df0a31 100644
--- a/core/java/android/widget/StackView.java
+++ b/core/java/android/widget/StackView.java
@@ -1043,10 +1043,8 @@ public class StackView extends AdapterViewAnimator {
             if (mView != null) {
                 final LayoutParams viewLp = (LayoutParams) mView.getLayoutParams();
 
-                float d = (float) Math.sqrt(Math.pow(viewLp.horizontalOffset, 2) +
-                        Math.pow(viewLp.verticalOffset, 2));
-                float maxd = (float) Math.sqrt(Math.pow(mSlideAmount, 2) +
-                        Math.pow(0.4f * mSlideAmount, 2));
+                float d = (float) Math.hypot(viewLp.horizontalOffset, viewLp.verticalOffset);
+                float maxd = (float) Math.hypot(mSlideAmount, 0.4f * mSlideAmount);
 
                 if (velocity == 0) {
                     return (invert ? (1 - d / maxd) : d / maxd) * DEFAULT_ANIMATION_DURATION;
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 5ece016..3f26dd3 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -92,7 +92,6 @@ import android.text.style.URLSpan;
 import android.text.style.UpdateAppearance;
 import android.text.util.Linkify;
 import android.util.AttributeSet;
-import android.util.FloatMath;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.AccessibilityIterators.TextSegmentIterator;
@@ -4556,7 +4555,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                      * make sure the entire cursor gets invalidated instead of
                      * sometimes missing half a pixel.
                      */
-                    float thick = FloatMath.ceil(mTextPaint.getStrokeWidth());
+                    float thick = (float) Math.ceil(mTextPaint.getStrokeWidth());
                     if (thick < 1.0f) {
                         thick = 1.0f;
                     }
@@ -4566,10 +4565,10 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                     // mHighlightPath is guaranteed to be non null at that point.
                     mHighlightPath.computeBounds(TEMP_RECTF, false);
 
-                    invalidate((int) FloatMath.floor(horizontalPadding + TEMP_RECTF.left - thick),
-                            (int) FloatMath.floor(verticalPadding + TEMP_RECTF.top - thick),
-                            (int) FloatMath.ceil(horizontalPadding + TEMP_RECTF.right + thick),
-                            (int) FloatMath.ceil(verticalPadding + TEMP_RECTF.bottom + thick));
+                    invalidate((int) Math.floor(horizontalPadding + TEMP_RECTF.left - thick),
+                            (int) Math.floor(verticalPadding + TEMP_RECTF.top - thick),
+                            (int) Math.ceil(horizontalPadding + TEMP_RECTF.right + thick),
+                            (int) Math.ceil(verticalPadding + TEMP_RECTF.bottom + thick));
                 }
             } else {
                 for (int i = 0; i < mEditor.mCursorCount; i++) {
@@ -6236,7 +6235,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
             max = Math.max(max, layout.getLineWidth(i));
         }
 
-        return (int) FloatMath.ceil(max);
+        return (int) Math.ceil(max);
     }
 
     /**
@@ -6313,7 +6312,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
 
             if (boring == null || boring == UNKNOWN_BORING) {
                 if (des < 0) {
-                    des = (int) FloatMath.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint));
+                    des = (int) Math.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint));
                 }
                 width = des;
             } else {
@@ -6343,7 +6342,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
 
                 if (hintBoring == null || hintBoring == UNKNOWN_BORING) {
                     if (hintDes < 0) {
-                        hintDes = (int) FloatMath.ceil(Layout.getDesiredWidth(mHint, mTextPaint));
+                        hintDes = (int) Math.ceil(Layout.getDesiredWidth(mHint, mTextPaint));
                     }
                     hintWidth = hintDes;
                 } else {
@@ -6649,8 +6648,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
              * keep leading edge in view.
              */
 
-            int left = (int) FloatMath.floor(layout.getLineLeft(line));
-            int right = (int) FloatMath.ceil(layout.getLineRight(line));
+            int left = (int) Math.floor(layout.getLineLeft(line));
+            int right = (int) Math.ceil(layout.getLineRight(line));
 
             if (right - left < hspace) {
                 scrollx = (right + left) / 2 - hspace / 2;
@@ -6662,10 +6661,10 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                 }
             }
         } else if (a == Layout.Alignment.ALIGN_RIGHT) {
-            int right = (int) FloatMath.ceil(layout.getLineRight(line));
+            int right = (int) Math.ceil(layout.getLineRight(line));
             scrollx = right - hspace;
         } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default)
-            scrollx = (int) FloatMath.floor(layout.getLineLeft(line));
+            scrollx = (int) Math.floor(layout.getLineLeft(line));
         }
 
         if (ht < vspace) {
@@ -6740,8 +6739,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         final int top = layout.getLineTop(line);
         final int bottom = layout.getLineTop(line + 1);
 
-        int left = (int) FloatMath.floor(layout.getLineLeft(line));
-        int right = (int) FloatMath.ceil(layout.getLineRight(line));
+        int left = (int) Math.floor(layout.getLineLeft(line));
+        int right = (int) Math.ceil(layout.getLineRight(line));
         int ht = layout.getHeight();
 
         int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight();