From 6a1caf0351824c0366b436d829309f7a558d2d6c Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Sun, 30 Oct 2011 23:55:20 -0400
Subject: [PATCH] Fix some unused-variable warnings with GCC 4.6

---
 test/basicstuff.cpp              | 3 ---
 test/eigensolver_complex.cpp     | 2 ++
 test/eigensolver_generic.cpp     | 2 ++
 test/eigensolver_selfadjoint.cpp | 2 ++
 test/linearstructure.cpp         | 3 +--
 5 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/test/basicstuff.cpp b/test/basicstuff.cpp
index 47ba23154..76ecffd68 100644
--- a/test/basicstuff.cpp
+++ b/test/basicstuff.cpp
@@ -42,11 +42,8 @@ template<typename MatrixType> void basicStuff(const MatrixType& m)
              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);
   SquareMatrixType sm1 = SquareMatrixType::Random(rows,rows), sm2(rows,rows);
 
diff --git a/test/eigensolver_complex.cpp b/test/eigensolver_complex.cpp
index 4db0f3f24..1cd55a2cd 100644
--- a/test/eigensolver_complex.cpp
+++ b/test/eigensolver_complex.cpp
@@ -125,4 +125,6 @@ void test_eigensolver_complex()
 
   // Test problem size constructors
   CALL_SUBTEST_5(ComplexEigenSolver<MatrixXf>(s));
+  
+  EIGEN_UNUSED_VARIABLE(s)
 }
diff --git a/test/eigensolver_generic.cpp b/test/eigensolver_generic.cpp
index 15d5d5280..efacdb2b3 100644
--- a/test/eigensolver_generic.cpp
+++ b/test/eigensolver_generic.cpp
@@ -118,4 +118,6 @@ void test_eigensolver_generic()
 
   // Test problem size constructors
   CALL_SUBTEST_5(EigenSolver<MatrixXf>(s));
+  
+  EIGEN_UNUSED_VARIABLE(s)
 }
diff --git a/test/eigensolver_selfadjoint.cpp b/test/eigensolver_selfadjoint.cpp
index a98f1dbf8..49e22795a 100644
--- a/test/eigensolver_selfadjoint.cpp
+++ b/test/eigensolver_selfadjoint.cpp
@@ -204,5 +204,7 @@ void test_eigensolver_selfadjoint()
   s = internal::random<int>(1,EIGEN_TEST_MAX_SIZE/4);
   CALL_SUBTEST_8(SelfAdjointEigenSolver<MatrixXf>(s));
   CALL_SUBTEST_8(Tridiagonalization<MatrixXf>(s));
+  
+  EIGEN_UNUSED_VARIABLE(s)
 }
 
diff --git a/test/linearstructure.cpp b/test/linearstructure.cpp
index c638c07e5..bbfdaacc1 100644
--- a/test/linearstructure.cpp
+++ b/test/linearstructure.cpp
@@ -39,8 +39,7 @@ template<typename MatrixType> void linearStructure(const MatrixType& m)
   // 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);
+             m3(rows, cols);
 
   Scalar s1 = internal::random<Scalar>();
   while (internal::abs(s1)<1e-3) s1 = internal::random<Scalar>();