Adding complex geometry problem

example/SparseGrid/1_gray_scott_3d_sparse_gpu_cs_opt/Makefile

+include ../../example.mk
+
+### internally the example disable with the preprocessor its code if not compiled with nvcc 
+CUDA_CC=
+CUDA_CC_LINK=
+ifeq (, $(shell which nvcc))
+        CUDA_CC=mpic++ -x c++ $(INCLUDE_PATH)
+        INCLUDE_PATH_NVCC=
+        CUDA_CC_LINK=mpic++
+else
+        CUDA_CC=nvcc -ccbin=mpic++
+        CUDA_CC_LINK=nvcc -ccbin=mpic++
+endif
+
+gray_scott_sparse_gpu_test: OPT += -DTEST_RUN
+gray_scott_sparse_gpu_test: gray_scott_sparse_gpu
+
+CC=mpic++
+
+LDIR =
+
+OBJ = main.o
+
+%.o: %.cu
+	$(CUDA_CC) $(OPT) -O3 -g -c --std=c++14 -o $@ $< $(INCLUDE_PATH_NVCC)
+
+gray_scott_sparse_gpu: $(OBJ)
+	$(CUDA_CC_LINK) -o $@ $^ $(LIBS_PATH) $(LIBS)
+
+all: gray_scott_sparse_gpu
+
+run: gray_scott_sparse_gpu_test
+	mpirun -np 4 ./gray_scott_sparse_gpu
+
+.PHONY: clean all run
+
+clean:
+	rm -f *.o *~ core gray_scott_sparse_gpu
+

example/SparseGrid/1_gray_scott_3d_sparse_gpu_cs_opt/config.cfg

+[pack]
+files = main.cu Makefile