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https://github.com/supleed2/ELEC60011-DSD-CW.git
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49 lines
789 B
C
49 lines
789 B
C
#include <stdlib.h>
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#include <sys/alt_stdio.h>
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#include <sys/alt_alarm.h>
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#include <sys/times.h>
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#include <alt_types.h>
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#include <system.h>
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#include <stdio.h>
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#include <unistd.h>
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// test_case 1
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#define step 5
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#define N 52
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// test_case 2
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//#define step 1/8.0
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//#define N 2041
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//Test case 3
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//#define step 1/1024.0
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//#define N 261121
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void generateVector(float x[N]){
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int i;
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x[0] = 0;
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for (i=1; i<N; i++){
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x[i] = x[i-1] + step;
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}
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}
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float sumVector(float x[], int M){
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float y = 0.0;
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for(int i = 0; i < M; i++){
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y += x[i] + x[i] * x[i];
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}
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return y;
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}
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int main()
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{
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float x[N];
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float y;
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generateVector(x);
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clock_t exec_t1, exec_t2;
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exec_t1 = times(NULL);
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y = sumVector(x, N);
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exec_t2 = times(NULL);
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printf("T: %d, A: %d", (int)(exec_t2 - exec_t1), (int) y);
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return 0;
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}
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