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Merge pull request #17916 from SinM9:mish_functor_sin

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Alexander Alekhin 2020-07-28 17:05:58 +00:00
commit e4d573a080
1 changed files with 8 additions and 3 deletions
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11
modules/dnn/src/layers/elementwise_layers.cpp
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@ -669,9 +669,14 @@ struct MishFunctor : public BaseFunctor
{
// Use fast approximation introduced in https://github.com/opencv/opencv/pull/17200
float x = srcptr[i];
float eX = exp(std::min(x, 20.f));
float n = (eX + 2) * eX;
dstptr[i] = (x * n) / (n + 2);
if (x >= 8.f)
dstptr[i] = x;
else
{
float eX = exp(x);
float n = (eX + 2) * eX;
dstptr[i] = (x * n) / (n + 2);
}
}
}
}