Added symmetric poweriterations to sandbox

sandbox/powerit/Makefile

@@ -0,0 +1,27 @@
+CC=gcc
+PYTHON_INCLUDE=/usr/include/python2.5
+PYTHON_LIBRARY=/usr/lib/python2.5
+NUMPY_INCLUDE=$(PYTHON_LIBRARY)/site-packages/numpy/core/include/numpy/
+GOTO_LIBRARY=/home/flatberg/GotoBLAS
+BLAS_LIBRARY=/usr/lib
+BLAS=blas
+GOTO=goto
+
+
+all: numpy_module.so
+
+numpy_module.so: numpy_module.o sympowerit.o
+	$(CC) -Wall -shared numpy_module.o sympowerit.o -o _numpy_module.so -L$(PYTHON_LIBRARY) -lpython2.5 -L$(BLAS_LIBRARY) -l$(BLAS) -llapack -lg2c -lm
+
+numpy_module.o: numpy_module.c numpy_module.h 
+	$(CC) -fPIC -Wall -O2 -g -c -I$(PYTHON_INCLUDE) -I$(NUMPY_INCLUDE) numpy_module.c
+
+c_egines.o: sympowerit.c
+	$(CC) -Wall -O2 -g -c sympowerit.c
+
+clean:
+	-rm numpy_module.o sympowerit.o
+	-rm -rf _numpy_module.so
+
+
+