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ColPartition: Fix CID 1164543 (Division or modulo by float zero)

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Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2018-10-22 21:05:44 +02:00
parent eaabe4a3ce
commit 7ebbb7370a
1 changed files with 3 additions and 1 deletions
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4
src/textord/colpartition.cpp
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@ -663,10 +663,12 @@ void ColPartition::Absorb(ColPartition* other, WidthCallback* cb) {
// Update the special_blobs_densities_.
memset(special_blobs_densities_, 0, sizeof(special_blobs_densities_));
for (int type = 0; type < BSTT_COUNT; ++type) {
int w1 = boxes_.length(), w2 = other->boxes_.length();
unsigned w1 = boxes_.length();
unsigned w2 = other->boxes_.length();
float new_val = special_blobs_densities_[type] * w1 +
other->special_blobs_densities_[type] * w2;
if (!w1 || !w2) {
ASSERT_HOST((w1 + w2) > 0);
special_blobs_densities_[type] = new_val / (w1 + w2);
}
}