ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 2cbfe92 was
466fa01,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
|
add diagrams and example programs
|
-
Property mode set to
100644
|
File size:
672 bytes
|
Line | |
---|
1 | #include <stdio.h> |
---|
2 | |
---|
3 | void mary() { |
---|
4 | printf( "MARY\n" ); |
---|
5 | } |
---|
6 | |
---|
7 | #define FIB_INIT { 0 } |
---|
8 | typedef struct { int next; int fn1, fn2; } Fib; |
---|
9 | int fib( Fib * f ) { |
---|
10 | static void * states[] = { &&s1, &&s2, &&s3 }; |
---|
11 | goto *states[f->next]; |
---|
12 | s1: |
---|
13 | mary(); |
---|
14 | f->fn1 = 0; |
---|
15 | f->next = 1; |
---|
16 | return f->fn1; |
---|
17 | s2: |
---|
18 | mary(); |
---|
19 | f->fn2 = f->fn1; |
---|
20 | f->fn1 = 1; |
---|
21 | f->next = 2; |
---|
22 | return f->fn1; |
---|
23 | s3:; |
---|
24 | mary(); |
---|
25 | int fn = f->fn1 + f->fn2; |
---|
26 | f->fn2 = f->fn1; |
---|
27 | f->fn1 = fn; |
---|
28 | return fn; |
---|
29 | } |
---|
30 | int main() { |
---|
31 | Fib f1 = FIB_INIT, f2 = FIB_INIT; |
---|
32 | for ( int i = 0; i < 10; i += 1 ) { |
---|
33 | printf( "%d %d\n", fib( &f1 ), fib( &f2 ) ); |
---|
34 | } |
---|
35 | } |
---|
36 | |
---|
37 | // Local Variables: // |
---|
38 | // tab-width: 4 // |
---|
39 | // compile-command: "gcc Fib2.c" // |
---|
40 | // End: // |
---|
Note: See
TracBrowser
for help on using the repository browser.