| 1 | /* zermat.c 4.1 83/03/09 */ |
| 2 | /* |
| 3 | * zermat: set a matrix to all zeros |
| 4 | */ |
| 5 | |
| 6 | #include "bit.h" |
| 7 | |
| 8 | zermat(m, rows, cols) |
| 9 | bitmat m; |
| 10 | int rows, cols; |
| 11 | { |
| 12 | register int size = ((cols + 7) >> 3) * rows; |
| 13 | register char *p; |
| 14 | |
| 15 | for (p = &m[size]; p>=m; ) |
| 16 | *--p = 0; |
| 17 | } |