| # Optimal code is in fact : |
| # |
| # for (i=0;i<=M;i+=2) { |
| # S1 ; |
| # } |
| |
| # language: C |
| c |
| |
| # parameter n |
| 1 3 |
| # n 1 |
| 1 1 -2 |
| 1 |
| n |
| |
| 2 # Number of statements |
| |
| 1 |
| # {i, j | i=2*j; 1<=i<=n} |
| 3 5 |
| # i j n 1 |
| 0 1 -2 0 0 |
| 1 1 0 0 -1 |
| 1 -1 0 1 0 |
| 0 0 0 |
| |
| 1 |
| # {i, j | i=4*j; 1<=i<=n} |
| 3 5 |
| # i j n 1 |
| 0 1 -4 0 0 |
| 1 1 0 0 -1 |
| 1 -1 0 1 0 |
| 0 0 0 |
| 0 |
| |
| 0 # Scattering functions |
| 5 10 |
| # t1 t2 t3 t4 t5 i j n 1 |
| 0 1 0 0 0 0 0 0 0 0 |
| 0 0 1 0 0 0 -1 0 0 0 |
| 0 0 0 1 0 0 0 0 0 0 |
| 0 0 0 0 1 0 0 -1 0 0 |
| 0 0 0 0 0 1 0 0 0 0 |
| |
| 5 10 |
| # t1 t2 t3 t4 t5 i j n 1 |
| 0 1 0 0 0 0 0 0 0 0 |
| 0 0 1 0 0 0 -1 0 0 0 |
| 0 0 0 1 0 0 0 0 0 0 |
| 0 0 0 0 1 0 0 -1 0 0 |
| 0 0 0 0 0 1 0 0 0 0 |
| 0 |