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fixed loop unrolling error

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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@728639 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2008-12-22 10:34:12 +00:00
parent 008807938f
commit 4bd8d8bc13
2 changed files with 4 additions and 4 deletions
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4
src/java/org/apache/commons/math/linear/DenseRealMatrix.java
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@ -792,8 +792,8 @@ public class DenseRealMatrix extends AbstractRealMatrix implements Serializable
block[k + 1] * v[q + 1] + block[k + 1] * v[q + 1] +
block[k + 2] * v[q + 2] + block[k + 2] * v[q + 2] +
block[k + 3] * v[q + 3]; block[k + 3] * v[q + 3];
++k; k += 4;
++q; q += 4;
} }
while (q < qEnd) { while (q < qEnd) {
sum += block[k++] * v[q++]; sum += block[k++] * v[q++];

4
src/test/org/apache/commons/math/linear/EigenDecompositionImplTest.java
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@ -174,6 +174,7 @@ public class EigenDecompositionImplTest extends TestCase {
double lambda = ed.getEigenvalue(i); double lambda = ed.getEigenvalue(i);
RealVector v = ed.getEigenvector(i); RealVector v = ed.getEigenvector(i);
RealVector mV = matrix.operate(v); RealVector mV = matrix.operate(v);
System.out.println(lambda + " " + v + " " + mV);
assertEquals(0, mV.subtract(v.mapMultiplyToSelf(lambda)).getNorm(), 1.0e-13); assertEquals(0, mV.subtract(v.mapMultiplyToSelf(lambda)).getNorm(), 1.0e-13);
} }
} }
@ -366,8 +367,7 @@ public class EigenDecompositionImplTest extends TestCase {
} while (norm2 * size < 0.01); } while (norm2 * size < 0.01);
} }
//return MatrixUtils.createRealMatrix(data); return MatrixUtils.createRealMatrix(data);
return new RealMatrixImpl(data, false);
} }