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Merge pull request #7 from moddevices/use-fabsf

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Use fabsf to ensure no double promotion
This commit is contained in:
Mike Oliphant
2023-03-23 08:57:03 -07:00
committed by GitHub
parent 15642132ba 97f26f99bb
commit b73857240a
1 changed files with 2 additions and 2 deletions
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src/dsp.cpp
+2 -2
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@@ -192,13 +192,13 @@ void sigmoid_(Eigen::MatrixXf &x, const long i_start, const long i_end,
inline float fast_tanh_(const float x)
{
const float ax = fabs(x);
const float ax = fabsf(x);
const float x2 = x * x;
return(x * (2.45550750702956f + 2.45550750702956f * ax +
(0.893229853513558f + 0.821226666969744f * ax) * x2) /
(2.44506634652299f + (2.44506634652299f + x2) *
fabs(x + 0.814642734961073f * x * ax)));
fabsf(x + 0.814642734961073f * x * ax)));
}
void tanh_(Eigen::MatrixXf& x)