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lint changed its opinion on whether FloatMath is faster than Math. need to do some benchmarks..

Browse Source 
http://code.google.com/p/android/issues/detail?id=36199
This commit is contained in:
Hannes Janetzek 2012-11-27 00:20:40 +01:00
parent 4c458d9d1f
commit d5b480cf22
3 changed files with 8 additions and 29 deletions
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7
src/org/oscim/overlay/ItemizedIconOverlay.java
View File

@ -10,7 +10,6 @@ import org.oscim.view.MapViewPosition;
import android.content.Context;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.util.FloatMath;
import android.util.Log;
import android.view.MotionEvent;
@ -174,7 +173,6 @@ public class ItemizedIconOverlay<Item extends OverlayItem> extends ItemizedOverl
* When a content sensitive action is performed the content item needs to be
* identified. This method does that and then performs the assigned task on
* that item.
*
* @param event
* ...
* @param mapView
@ -202,7 +200,7 @@ public class ItemizedIconOverlay<Item extends OverlayItem> extends ItemizedOverl
mapViewPosition.getScreenPointOnMap(eventX, eventY, mTouchScreenPoint);
int nearest = -1;
float dist = Float.MAX_VALUE;
double dist = Double.MAX_VALUE;
// TODO use intermediate projection and bounding box test
@ -221,7 +219,7 @@ public class ItemizedIconOverlay<Item extends OverlayItem> extends ItemizedOverl
float dx = mItemPoint.x - mTouchScreenPoint.x;
float dy = mItemPoint.y - mTouchScreenPoint.y;
float d = FloatMath.sqrt(dx * dx + dy * dy);
double d = Math.sqrt(dx * dx + dy * dy);
if (d < 50) {
// Log.d("...", "HIT! " + (x - mTouchScreenPoint.x) + " " + (y - mTouchScreenPoint.y));
@ -262,7 +260,6 @@ public class ItemizedIconOverlay<Item extends OverlayItem> extends ItemizedOverl
* When the item is touched one of these methods may be invoked depending on
* the type of touch. Each of them returns true if the event was completely
* handled.
*
* @param <T>
* ....
*/

21
src/org/oscim/renderer/WayDecorator.java
View File

@ -18,8 +18,6 @@ import org.oscim.renderer.layer.TextItem;
import org.oscim.theme.renderinstruction.Text;
import org.oscim.utils.GeometryUtils;
import android.util.FloatMath;
public final class WayDecorator {
// /**
// * Minimum distance in pixels before the symbol is repeated.
@ -168,7 +166,7 @@ public final class WayDecorator {
continue;
}
float segmentLengthInPixel = FloatMath.sqrt(diffX * diffX + diffY * diffY);
double segmentLengthInPixel = Math.sqrt(diffX * diffX + diffY * diffY);
if (skipPixels > 0) {
skipPixels -= segmentLengthInPixel;
@ -181,7 +179,7 @@ public final class WayDecorator {
if (segmentLengthInPixel > wayNameWidth * 0.80) {
float s = (wayNameWidth + 25) / segmentLengthInPixel;
float s = (wayNameWidth + 25) / (float) segmentLengthInPixel;
int width, height;
int x1, y1, x2, y2;
@ -241,21 +239,6 @@ public final class WayDecorator {
continue;
}
// Log.d("mapsforge", "add " + text + " " + first + " " +
// last);
// if (previousX < currentX) {
// x1 = previousX;
// y1 = previousY;
// x2 = currentX;
// y2 = currentY;
// } else {
// x1 = currentX;
// y1 = currentY;
// x2 = previousX;
// y2 = previousY;
// }
// if (t == null)
t = TextItem.get();
// t = new TextItem(x1 + (x2 - x1) / 2, y1 + (y2 - y1) / 2,

9
src/org/oscim/renderer/layer/LineLayer.java
View File

@ -19,7 +19,6 @@ import org.oscim.renderer.GLRenderer;
import org.oscim.theme.renderinstruction.Line;
import android.graphics.Paint.Cap;
import android.util.FloatMath;
public final class LineLayer extends Layer {
@ -122,7 +121,7 @@ public final class LineLayer extends Layer {
vx = nextX - x;
vy = nextY - y;
a = FloatMath.sqrt(vx * vx + vy * vy);
a = (float) Math.sqrt(vx * vx + vy * vy);
vx = (vx / a);
vy = (vy / a);
@ -289,14 +288,14 @@ public final class LineLayer extends Layer {
// Unit vector pointing back to previous node
vx = prevX - x;
vy = prevY - y;
a = FloatMath.sqrt(vx * vx + vy * vy);
a = (float) Math.sqrt(vx * vx + vy * vy);
vx = (vx / a);
vy = (vy / a);
// Unit vector pointing forward to next node
wx = nextX - x;
wy = nextY - y;
a = FloatMath.sqrt(wx * wx + wy * wy);
a = (float) Math.sqrt(wx * wx + wy * wy);
wx = (wx / a);
wy = (wy / a);
@ -369,7 +368,7 @@ public final class LineLayer extends Layer {
vx = prevX - x;
vy = prevY - y;
a = FloatMath.sqrt(vx * vx + vy * vy);
a = (float) Math.sqrt(vx * vx + vy * vy);
vx = (vx / a);
vy = (vy / a);