75 lines
3.4 KiB
C
75 lines
3.4 KiB
C
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/* $Id: fibcall.c,v 1.2 2005/04/04 11:34:58 csg Exp $ */
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/*************************************************************************/
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/* */
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/* SNU-RT Benchmark Suite for Worst Case Timing Analysis */
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/* ===================================================== */
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/* Collected and Modified by S.-S. Lim */
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/* sslim@archi.snu.ac.kr */
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/* Real-Time Research Group */
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/* Seoul National University */
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/* */
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/* */
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/* < Features > - restrictions for our experimental environment */
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/* */
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/* 1. Completely structured. */
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/* - There are no unconditional jumps. */
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/* - There are no exit from loop bodies. */
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/* (There are no 'break' or 'return' in loop bodies) */
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/* 2. No 'switch' statements. */
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/* 3. No 'do..while' statements. */
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/* 4. Expressions are restricted. */
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/* - There are no multiple expressions joined by 'or', */
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/* 'and' operations. */
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/* 5. No library calls. */
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/* - All the functions needed are implemented in the */
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/* source file. */
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/* */
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/* */
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/*************************************************************************/
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/* */
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/* FILE: fibcall.c */
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/* SOURCE : Public Domain Code */
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/* */
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/* DESCRIPTION : */
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/* */
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/* Summing the Fibonacci series. */
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/* */
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/* REMARK : */
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/* */
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/* EXECUTION TIME : */
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/* */
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/* */
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/*************************************************************************/
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int fib(int n)
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{
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int i, Fnew, Fold, temp,ans;
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Fnew = 1; Fold = 0;
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for ( i = 2;
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i <= 30 && i <= n; /* apsim_loop 1 0 */
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i++ )
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{
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temp = Fnew;
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Fnew = Fnew + Fold;
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Fold = temp;
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}
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ans = Fnew;
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return ans;
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}
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int main()
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{
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int a;
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a = 30;
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fib(a);
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return a;
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}
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