File: 20010224-1.c

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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extern void abort (void);

typedef signed short int16_t;
typedef unsigned short uint16_t;

int16_t logadd (int16_t *a, int16_t *b);
void ba_compute_psd (int16_t start);

int16_t masktab[6] = { 1, 2, 3, 4, 5};
int16_t psd[6] = { 50, 40, 30, 20, 10};
int16_t bndpsd[6] = { 1, 2, 3, 4, 5};

void ba_compute_psd (int16_t start)
{
  int i,j,k;
  int16_t lastbin = 4;

  j = start; 
  k = masktab[start]; 

  bndpsd[k] = psd[j]; 
  j++; 

  for (i = j; i < lastbin; i++) { 
    bndpsd[k] = logadd(&bndpsd[k], &psd[j]);
    j++; 
  } 
}

int16_t logadd (int16_t *a, int16_t *b)
{
  return *a + *b;
}

int main (void)
{
  int i;

  ba_compute_psd (0);

  if (bndpsd[1] != 140) abort ();
  return 0;
}