ADT
arm-eh
ast-experimental
enum
forall-pointer-decay
jacob/cs343-translation
jenkins-sandbox
new-ast
new-ast-unique-expr
pthread-emulation
qualifiedEnum
|
Last change
on this file since 40cac90 was 466fa01, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago |
|
add diagrams and example programs
|
-
Property mode
set to
100644
|
|
File size:
612 bytes
|
| Rev | Line | |
|---|
| [466fa01] | 1 | #include <stdio.h>
|
|---|
| 2 |
|
|---|
| 3 | #define FibCtor { 0, 0, NULL }
|
|---|
| 4 | typedef struct {
|
|---|
| 5 | int fn1, fn2;
|
|---|
| 6 | void * next;
|
|---|
| 7 | } Fib;
|
|---|
| 8 |
|
|---|
| 9 | int fib( Fib * f ) {
|
|---|
| 10 | if ( __builtin_expect(f->next != 0, 1) ) goto *f->next;
|
|---|
| 11 | s1:
|
|---|
| 12 | f->fn1 = 0;
|
|---|
| 13 | f->next = &&s2;
|
|---|
| 14 | return f->fn1;
|
|---|
| 15 | s2:
|
|---|
| 16 | f->fn2 = f->fn1;
|
|---|
| 17 | f->fn1 = 1;
|
|---|
| 18 | f->next = &&s3;
|
|---|
| 19 | return f->fn1;
|
|---|
| 20 | s3:;
|
|---|
| 21 | int fn = f->fn1 + f->fn2;
|
|---|
| 22 | f->fn2 = f->fn1;
|
|---|
| 23 | f->fn1 = fn;
|
|---|
| 24 | return fn;
|
|---|
| 25 | }
|
|---|
| 26 | int main() {
|
|---|
| 27 | Fib f1 = FibCtor, f2 = FibCtor;
|
|---|
| 28 | for ( int i = 0; i < 10; i += 1 ) {
|
|---|
| 29 | printf( "%d %d\n", fib( &f1 ), fib( &f2 ) );
|
|---|
| 30 | }
|
|---|
| 31 | }
|
|---|
| 32 |
|
|---|
| 33 | // Local Variables: //
|
|---|
| 34 | // tab-width: 4 //
|
|---|
| 35 | // compile-command: "gcc-8 Fib1.c" //
|
|---|
| 36 | // End: //
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
