Upgrade eigen to 3.4.0

Steps:
 * Removed common files between Android copy and the matching upstream copy
 * Obtained latest upstream tarball (see README.version)
 * Extracted over the directory

Bug: 148287349
Test: presubmit
Change-Id: Iee2744719075fdf000b315e973645923da766111

1 files changed, 15 insertions, 17 deletions

diff --git a/test/linearstructure.cpp b/test/linearstructure.cpp
index 17474af10..46ee5162b 100644
--- a/test/linearstructure.cpp
+++ b/test/linearstructure.cpp
@@ -19,7 +19,6 @@ template<typename MatrixType> void linearStructure(const MatrixType& m)
   /* this test covers the following files:
      CwiseUnaryOp.h, CwiseBinaryOp.h, SelfCwiseBinaryOp.h 
   */
-  typedef typename MatrixType::Index Index;
   typedef typename MatrixType::Scalar Scalar;
   typedef typename MatrixType::RealScalar RealScalar;
 
@@ -111,7 +110,20 @@ template<typename MatrixType> void real_complex(DenseIndex rows = MatrixType::Ro
   VERIFY(g_called && "matrix<complex> - real not properly optimized");
 }
 
-void test_linearstructure()
+template<int>
+void linearstructure_overflow()
+{
+  // make sure that /=scalar and /scalar do not overflow
+  // rational: 1.0/4.94e-320 overflow, but m/4.94e-320 should not
+  Matrix4d m2, m3;
+  m3 = m2 =  Matrix4d::Random()*1e-20;
+  m2 = m2 / 4.9e-320;
+  VERIFY_IS_APPROX(m2.cwiseQuotient(m2), Matrix4d::Ones());
+  m3 /= 4.9e-320;
+  VERIFY_IS_APPROX(m3.cwiseQuotient(m3), Matrix4d::Ones());
+}
+
+EIGEN_DECLARE_TEST(linearstructure)
 {
   g_called = true;
   VERIFY(g_called); // avoid `unneeded-internal-declaration` warning.
@@ -131,19 +143,5 @@ void test_linearstructure()
     CALL_SUBTEST_11( real_complex<MatrixXcf>(10,10) );
     CALL_SUBTEST_11( real_complex<ArrayXXcf>(10,10) );
   }
-  
-#ifdef EIGEN_TEST_PART_4
-  {
-    // make sure that /=scalar and /scalar do not overflow
-    // rational: 1.0/4.94e-320 overflow, but m/4.94e-320 should not
-    Matrix4d m2, m3;
-    m3 = m2 =  Matrix4d::Random()*1e-20;
-    m2 = m2 / 4.9e-320;
-    VERIFY_IS_APPROX(m2.cwiseQuotient(m2), Matrix4d::Ones());
-    m3 /= 4.9e-320;
-    VERIFY_IS_APPROX(m3.cwiseQuotient(m3), Matrix4d::Ones());
-    
-    
-  }
-#endif
+  CALL_SUBTEST_4( linearstructure_overflow<0>() );
 }