checkpoint

[anneal.git] / src / edu / berkeley / qfat / geom / Matrix.java

diff --git a/src/edu/berkeley/qfat/geom/Matrix.java b/src/edu/berkeley/qfat/geom/Matrix.java
index 9303233..dbe4076 100644 (file)
--- a/src/edu/berkeley/qfat/geom/Matrix.java
+++ b/src/edu/berkeley/qfat/geom/Matrix.java
@@ -238,23 +238,25 @@ public class Matrix {
         if (!(oo instanceof Matrix)) return false;
         Matrix z = (Matrix)oo;
         return
-            a==z.a && 
-            b==z.b && 
-            c==z.c && 
-            d==z.d && 
-            e==z.e && 
-            f==z.f && 
-            g==z.g && 
-            h==z.h && 
-            i==z.i && 
-            j==z.j && 
-            k==z.k && 
-            l==z.l && 
-            m==z.m && 
-            n==z.n && 
-            o==z.o && 
-            p==z.p;
+            near(a,z.a) && 
+            near(b,z.b) && 
+            near(c,z.c) && 
+            near(d,z.d) && 
+            near(e,z.e) && 
+            near(f,z.f) && 
+            near(g,z.g) && 
+            near(h,z.h) && 
+            near(i,z.i) && 
+            near(j,z.j) && 
+            near(k,z.k) && 
+            near(l,z.l) && 
+            near(m,z.m) && 
+            near(n,z.n) && 
+            near(o,z.o) && 
+            near(p,z.p);
     }
+    private static final float EPSILON = 0.001f;
+    private static boolean near(float a, float b) { return Math.abs(a-b)<EPSILON; }
 
     public int hashCode() {
         return