fix GMRES

(transplanted from e46fc8c05c
)

Eigen/src/Core/util/Macros.h

@@ -27,8 +27,8 @@
 #define EIGEN_MACROS_H
 
 #define EIGEN_WORLD_VERSION 3
-#define EIGEN_MAJOR_VERSION 0
-#define EIGEN_MINOR_VERSION 95
+#define EIGEN_MAJOR_VERSION 1
+#define EIGEN_MINOR_VERSION 0
 
 #define EIGEN_VERSION_AT_LEAST(x,y,z) (EIGEN_WORLD_VERSION>x || (EIGEN_WORLD_VERSION>=x && \
                                       (EIGEN_MAJOR_VERSION>y || (EIGEN_MAJOR_VERSION>=y && \

unsupported/Eigen/src/IterativeSolvers/GMRES.h

@@ -128,7 +128,7 @@ bool gmres(const MatrixType & mat, const Rhs & rhs, Dest & x, const Precondition
 			if (k <= restart) {
 
 				// generate new Householder vector
-				VectorType e;
+                                  VectorType e(m - k - 1);
 				RealScalar beta;
 				v.tail(m - k).makeHouseholder(e, tau.coeffRef(k), beta);
 				H.col(k).tail(m - k - 1) = e;