General size vectors

#include <gandalf/linalg/vec_gen.h>The structure for general size vectors is the

- Creating and freeing general size vectors
- Adjusting the size of a general size vector
- Filling a general size vector with values
- Accessing the elements of a general size vector
- Copying a general size vector
- General size vector addition
- General size vector subtraction
- Rescaling a general size vector

2006-03-17