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Use fabsf to ensure no double promotion

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Signed-off-by: falkTX <falktx@falktx.com>
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falkTX
2023-03-23 12:33:09 +01:00
parent 15642132ba
commit 97f26f99bb
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) inline float fast_tanh_(const float x)
{ {
const float ax = fabs(x); const float ax = fabsf(x);
const float x2 = x * x; const float x2 = x * x;
return(x * (2.45550750702956f + 2.45550750702956f * ax + return(x * (2.45550750702956f + 2.45550750702956f * ax +
(0.893229853513558f + 0.821226666969744f * ax) * x2) / (0.893229853513558f + 0.821226666969744f * ax) * x2) /
(2.44506634652299f + (2.44506634652299f + x2) * (2.44506634652299f + (2.44506634652299f + x2) *
fabs(x + 0.814642734961073f * x * ax))); fabsf(x + 0.814642734961073f * x * ax)));
} }
void tanh_(Eigen::MatrixXf& x) void tanh_(Eigen::MatrixXf& x)