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Avoid division by 0 problem.

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This commit is contained in:
zhangxiao871 2021-08-10 16:59:36 +08:00
parent e0f967dde8
commit deb2c4569f
1 changed files with 14 additions and 5 deletions
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19
src/AggregateFunctions/AggregateFunctionSparkbar.h
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@ -20,7 +20,7 @@ struct AggregateFunctionSparkbarData
Points points;
Y min_y = std::numeric_limits<Y>::max();
Y max_y = std::numeric_limits<Y>::min();
Y max_y = std::numeric_limits<Y>::lowest();
void add(X x, Y y)
{
@ -141,11 +141,20 @@ private:
Y min_y = data.min_y;
Y max_y = data.max_y;
Float64 diff_y = max_y - min_y;
for (size_t i = 0; i <= diff_x; ++i)
if (diff_y)
{
auto it = data.points.find(local_min_x + i);
bool found = it != data.points.end();
value += getBar(found ? std::round(((it->second - min_y) / diff_y) * 7) + 1 : 0);
for (size_t i = 0; i <= diff_x; ++i)
{
auto it = data.points.find(local_min_x + i);
bool found = it != data.points.end();
value += getBar(found ? std::round(((it->second - min_y) / diff_y) * 7) + 1 : 0);
}
}
else
{
for (size_t i = 0; i <= diff_x; ++i)
value += getBar(data.points.count(local_min_x + i) ? 1 : 0);
}
}
else