Changeset 134 in public for benchmark/src

Timestamp:

1/3/2014 6:13:39 PM (4 days ago)

Author:

linsong

Message:

CHG: Changed some code in EigenDecomposition?.

File:

• benchmark/src/main/java/com/numericalmethod/benchmark/implementation/JlapackImplementation.java (modified) (2 diffs)

benchmark/src/main/java/com/numericalmethod/benchmark/implementation/JlapackImplementation.java

@@ -152 +152 @@
         addExecutable(EigenDecomposition.class, new Executable<LapackMatrix>() {
             public void execute(LapackMatrix[] matrices) {
-                LapackMatrix Q = matrices[0].copy(); // make a copy
+                LapackMatrix Q = matrices[0].zero(); // initialized to zero
                 int size = Q.nRows();
                 double[] D = new double[size];
@@ -185 +185 @@
                     throw new IllegalArgumentException("Eigen decomposition is unsuccessful!");
                 }
-                if (info.val > 0) { // see the LAPACK documentation
-                    throw new IllegalArgumentException(
-                            String.format("Eigen decomposition failed on submatrix (%d, %d) -> (%d, %d)", 
-                            info.val / (size + 1), info.val / (size + 1), 
-                            info.val % (size + 1), info.val % (size + 1)));
+                if (info.val > 0) {
+                    throw new IllegalArgumentException("Eigen decomposition failed!");
                 }
             }