1 #define NULL_VECTOR {0, 0, 0, 0, 0}
2 #define NULL_VECTOR_VIEW {{0, 0, 0, 0, 0}}
3 
4 #define NULL_MATRIX {0, 0, 0, 0, 0, 0}
5 #define NULL_MATRIX_VIEW {{0, 0, 0, 0, 0, 0}}
6