| author | wenzelm |
| Sun, 29 Jul 2007 14:29:57 +0200 | |
| changeset 24041 | d5845b7c1a24 |
| parent 23850 | f1434532a562 |
| child 24421 | acfb2413faa3 |
| permissions | -rw-r--r-- |
| 21341 | 1 |
structure Nat = |
2 |
struct |
|
3 |
||
4 |
datatype nat = Zero_nat | Suc of nat; |
|
5 |
||
| 22386 | 6 |
fun less_nat n (Suc m) = less_eq_nat n m |
| 21994 | 7 |
| less_nat n Zero_nat = false |
| 22386 | 8 |
and less_eq_nat (Suc n) m = less_nat n m |
9 |
| less_eq_nat Zero_nat m = true; |
|
| 21341 | 10 |
|
11 |
end; (*struct Nat*) |
|
12 |
||
13 |
structure Codegen = |
|
14 |
struct |
|
15 |
||
16 |
fun in_interval (k, l) n = |
|
| 21994 | 17 |
(Nat.less_eq_nat k n) andalso (Nat.less_eq_nat n l); |
| 21341 | 18 |
|
19 |
end; (*struct Codegen*) |