Initial import of eigen 3.1.1
Added a README.android and a MODULE_LICENSE_MPL2 file.
Added empty Android.mk and CleanSpec.mk to optimize Android build.
Non MPL2 license code is disabled in ./Eigen/src/Core/util/NonMPL2.h.
Trying to include such files will lead to an error.
Change-Id: I0e148b7c3e83999bcc4dfaa5809d33bfac2aac32
diff --git a/test/eigen2/eigen2_basicstuff.cpp b/test/eigen2/eigen2_basicstuff.cpp
new file mode 100644
index 0000000..4fa16d5
--- /dev/null
+++ b/test/eigen2/eigen2_basicstuff.cpp
@@ -0,0 +1,108 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra. Eigen itself is part of the KDE project.
+//
+// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "main.h"
+
+template<typename MatrixType> void basicStuff(const MatrixType& m)
+{
+ typedef typename MatrixType::Scalar Scalar;
+ typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
+
+ int rows = m.rows();
+ int cols = m.cols();
+
+ // this test relies a lot on Random.h, and there's not much more that we can do
+ // to test it, hence I consider that we will have tested Random.h
+ MatrixType m1 = MatrixType::Random(rows, cols),
+ m2 = MatrixType::Random(rows, cols),
+ m3(rows, cols),
+ mzero = MatrixType::Zero(rows, cols),
+ identity = Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime>
+ ::Identity(rows, rows),
+ square = Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime>::Random(rows, rows);
+ VectorType v1 = VectorType::Random(rows),
+ v2 = VectorType::Random(rows),
+ vzero = VectorType::Zero(rows);
+
+ Scalar x = ei_random<Scalar>();
+
+ int r = ei_random<int>(0, rows-1),
+ c = ei_random<int>(0, cols-1);
+
+ m1.coeffRef(r,c) = x;
+ VERIFY_IS_APPROX(x, m1.coeff(r,c));
+ m1(r,c) = x;
+ VERIFY_IS_APPROX(x, m1(r,c));
+ v1.coeffRef(r) = x;
+ VERIFY_IS_APPROX(x, v1.coeff(r));
+ v1(r) = x;
+ VERIFY_IS_APPROX(x, v1(r));
+ v1[r] = x;
+ VERIFY_IS_APPROX(x, v1[r]);
+
+ VERIFY_IS_APPROX( v1, v1);
+ VERIFY_IS_NOT_APPROX( v1, 2*v1);
+ VERIFY_IS_MUCH_SMALLER_THAN( vzero, v1);
+ if(NumTraits<Scalar>::HasFloatingPoint)
+ VERIFY_IS_MUCH_SMALLER_THAN( vzero, v1.norm());
+ VERIFY_IS_NOT_MUCH_SMALLER_THAN(v1, v1);
+ VERIFY_IS_APPROX( vzero, v1-v1);
+ VERIFY_IS_APPROX( m1, m1);
+ VERIFY_IS_NOT_APPROX( m1, 2*m1);
+ VERIFY_IS_MUCH_SMALLER_THAN( mzero, m1);
+ VERIFY_IS_NOT_MUCH_SMALLER_THAN(m1, m1);
+ VERIFY_IS_APPROX( mzero, m1-m1);
+
+ // always test operator() on each read-only expression class,
+ // in order to check const-qualifiers.
+ // indeed, if an expression class (here Zero) is meant to be read-only,
+ // hence has no _write() method, the corresponding MatrixBase method (here zero())
+ // should return a const-qualified object so that it is the const-qualified
+ // operator() that gets called, which in turn calls _read().
+ VERIFY_IS_MUCH_SMALLER_THAN(MatrixType::Zero(rows,cols)(r,c), static_cast<Scalar>(1));
+
+ // now test copying a row-vector into a (column-)vector and conversely.
+ square.col(r) = square.row(r).eval();
+ Matrix<Scalar, 1, MatrixType::RowsAtCompileTime> rv(rows);
+ Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> cv(rows);
+ rv = square.row(r);
+ cv = square.col(r);
+ VERIFY_IS_APPROX(rv, cv.transpose());
+
+ if(cols!=1 && rows!=1 && MatrixType::SizeAtCompileTime!=Dynamic)
+ {
+ VERIFY_RAISES_ASSERT(m1 = (m2.block(0,0, rows-1, cols-1)));
+ }
+
+ VERIFY_IS_APPROX(m3 = m1,m1);
+ MatrixType m4;
+ VERIFY_IS_APPROX(m4 = m1,m1);
+
+ // test swap
+ m3 = m1;
+ m1.swap(m2);
+ VERIFY_IS_APPROX(m3, m2);
+ if(rows*cols>=3)
+ {
+ VERIFY_IS_NOT_APPROX(m3, m1);
+ }
+}
+
+void test_eigen2_basicstuff()
+{
+ for(int i = 0; i < g_repeat; i++) {
+ CALL_SUBTEST_1( basicStuff(Matrix<float, 1, 1>()) );
+ CALL_SUBTEST_2( basicStuff(Matrix4d()) );
+ CALL_SUBTEST_3( basicStuff(MatrixXcf(3, 3)) );
+ CALL_SUBTEST_4( basicStuff(MatrixXi(8, 12)) );
+ CALL_SUBTEST_5( basicStuff(MatrixXcd(20, 20)) );
+ CALL_SUBTEST_6( basicStuff(Matrix<float, 100, 100>()) );
+ CALL_SUBTEST_7( basicStuff(Matrix<long double,Dynamic,Dynamic>(10,10)) );
+ }
+}