hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
43 lines
883 B
C
43 lines
883 B
C
/* Verify correctness of the sum-of-square routines */
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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/* These values should trigger leading/trailing array fragment handling */
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#define NSAMP 200002
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#define OFFSET 1
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long long sumsq_wq(signed short *in,int cnt);
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long long sumsq_wq_ref(signed short *in,int cnt);
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int main(){
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int i;
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long long result,rresult;
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signed short samples[NSAMP];
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srandom(time(NULL));
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for(i=0;i<NSAMP;i++)
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samples[i] = random() & 0xffff;
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rresult = sumsq_wq(&samples[OFFSET],NSAMP-OFFSET);
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result = sumsq_wq(&samples[OFFSET],NSAMP-OFFSET);
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if(result == rresult){
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printf("OK\n");
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} else {
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printf("sum mismatch: %lld != %lld\n",result,rresult);
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}
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exit(0);
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}
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long long sumsq_wq_ref(signed short *in,int cnt){
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long long sum = 0;
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int i;
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for(i=0;i<cnt;i++){
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sum += (long)in[i] * in[i];
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}
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return sum;
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}
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