Merge branch 'develop' into feature/gpu-port

Grid/Grid_Eigen_Dense.h

@@ -0,0 +1,52 @@
+#include <Grid/GridCore.h>
+#pragma once
+// Force Eigen to use MKL if Grid has been configured with --enable-mkl
+#ifdef USE_MKL
+#define EIGEN_USE_MKL_ALL
+#endif
+
+#if defined __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#ifdef __NVCC__
+
+#pragma push
+#pragma diag_suppress code_is_unreachable
+
+#define __NVCC__REDEFINE__
+
+#undef __NVCC__
+#undef __CUDACC__
+
+#ifdef __CUDA_ARCH__
+
+#define __CUDA_ARCH__REDEFINE__ 1
+#define __CUDA_ARCH_SAVE__ __CUDA_ARCH__
+
+#undef __CUDA_ARCH__
+
+#endif
+
+#endif
+
+#include <Grid/Eigen/Dense>
+
+#ifdef __NVCC__REDEFINE__
+
+#pragma pop
+
+#define __NVCC__
+#define __CUDACC__
+
+#ifdef __CUDA_ARCH__REDEFINE__
+
+#define __CUDA_ARCH__ __CUDA_ARCH_SAVE__
+
+#endif
+#endif
+
+#if defined __GNUC__
+#pragma GCC diagnostic pop
+#endif