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Avoid signed overflow

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This commit is contained in:
Carles Fernandez 2017-08-26 10:07:18 +02:00
parent 4e49330ad4
commit 47e41d5b28
1 changed files with 31 additions and 34 deletions
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9
src/algorithms/libs/rtklib/rtklib_rtkpos.cc
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@ -1543,18 +1543,14 @@ int ddmat(rtk_t *rtk, double *D)
nofix = (m == 1 && rtk->opt.glomodear == 0) || (m == 3 && rtk->opt.bdsmodear == 0); nofix = (m == 1 && rtk->opt.glomodear == 0) || (m == 3 && rtk->opt.bdsmodear == 0);
for (f = 0, k = na;f<nf;f++, k+=MAXSAT) for (f = 0, k = na;f<nf;f++, k+=MAXSAT)
{
if(i < k + MAXSAT)
{ {
for (i = k;i<k+MAXSAT;i++) for (i = k;i<k+MAXSAT;i++)
{ {
#if 0
if (rtk->x[i] == 0.0||!test_sys(rtk->ssat[i-k].sys,m)||
!rtk->ssat[i-k].vsat[f])
{
#else
if (rtk->x[i] == 0.0 || !test_sys(rtk->ssat[i-k].sys, m) || if (rtk->x[i] == 0.0 || !test_sys(rtk->ssat[i-k].sys, m) ||
!rtk->ssat[i-k].vsat[f] || !rtk->ssat[i-k].half[f]) !rtk->ssat[i-k].vsat[f] || !rtk->ssat[i-k].half[f])
{ {
#endif
continue; continue;
} }
if (rtk->ssat[i-k].lock[f]>0 && !(rtk->ssat[i-k].slip[f]&2) && if (rtk->ssat[i-k].lock[f]>0 && !(rtk->ssat[i-k].slip[f]&2) &&
@ -1585,6 +1581,7 @@ int ddmat(rtk_t *rtk, double *D)
} }
} }
} }
}
trace(5, "D=\n"); tracemat(5, D, nx, na+nb, 2, 0); trace(5, "D=\n"); tracemat(5, D, nx, na+nb, 2, 0);
return nb; return nb;
} }