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Implement a cache for the cosine computation in CheapRuler.

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This commit is contained in:
Phyks (Lucas Verney) 2018-11-21 15:29:57 +01:00
parent 665b7096e8
commit c78b56645c
5 changed files with 107 additions and 48 deletions
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5
brouter-core/src/main/java/btools/router/OsmPathElement.java
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@ -2,7 +2,7 @@ package btools.router;
import btools.mapaccess.OsmNode;
import btools.mapaccess.OsmPos;
import btools.util.CheapRuler;
import btools.util.CheapRulerSingleton;
import java.io.DataInput;
import java.io.DataOutput;
@ -78,7 +78,8 @@ public class OsmPathElement implements OsmPos
public final int calcDistance( OsmPos p )
{
return (int)(CheapRuler.distance(ilon, ilat, p.getILon(), p.getILat()) + 1.0 );
CheapRulerSingleton cr = CheapRulerSingleton.getInstance();
return (int)(cr.distance(ilon, ilat, p.getILon(), p.getILat()) + 1.0 );
}
public OsmPathElement origin;