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Add info() method which can be queried to check whether iteration converged.

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This commit is contained in:
Jitse Niesen
2010-06-03 22:59:57 +01:00
parent ed73a195e0
commit 9178e2bd54
11 changed files with 224 additions and 57 deletions
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11
test/schur_complex.cpp
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@@ -23,6 +23,7 @@
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#include "main.h"
#include <limits>
#include <Eigen/Eigenvalues>
template<typename MatrixType> void schur(int size = MatrixType::ColsAtCompileTime)
@@ -34,6 +35,7 @@ template<typename MatrixType> void schur(int size = MatrixType::ColsAtCompileTim
for(int counter = 0; counter < g_repeat; ++counter) {
MatrixType A = MatrixType::Random(size, size);
ComplexSchur<MatrixType> schurOfA(A);
VERIFY_IS_EQUAL(schurOfA.info(), Success);
ComplexMatrixType U = schurOfA.matrixU();
ComplexMatrixType T = schurOfA.matrixT();
for(int row = 1; row < size; ++row) {
@@ -48,19 +50,28 @@ template<typename MatrixType> void schur(int size = MatrixType::ColsAtCompileTim
ComplexSchur<MatrixType> csUninitialized;
VERIFY_RAISES_ASSERT(csUninitialized.matrixT());
VERIFY_RAISES_ASSERT(csUninitialized.matrixU());
VERIFY_RAISES_ASSERT(csUninitialized.info());
// Test whether compute() and constructor returns same result
MatrixType A = MatrixType::Random(size, size);
ComplexSchur<MatrixType> cs1;
cs1.compute(A);
ComplexSchur<MatrixType> cs2(A);
VERIFY_IS_EQUAL(cs1.info(), Success);
VERIFY_IS_EQUAL(cs2.info(), Success);
VERIFY_IS_EQUAL(cs1.matrixT(), cs2.matrixT());
VERIFY_IS_EQUAL(cs1.matrixU(), cs2.matrixU());
// Test computation of only T, not U
ComplexSchur<MatrixType> csOnlyT(A, false);
VERIFY_IS_EQUAL(csOnlyT.info(), Success);
VERIFY_IS_EQUAL(cs1.matrixT(), csOnlyT.matrixT());
VERIFY_RAISES_ASSERT(csOnlyT.matrixU());
// Test matrix with NaN
A(0,0) = std::numeric_limits<typename MatrixType::RealScalar>::quiet_NaN();
ComplexSchur<MatrixType> csNaN(A);
VERIFY_IS_EQUAL(csNaN.info(), NoConvergence);
}
void test_schur_complex()