Searched refs:Sigmoidal (Results 1 – 1 of 1) sorted by relevance
| /external/ImageMagick/MagickCore/ |
| D | enhance.c | 3703 #define Sigmoidal(a,b,x) ( tanh((0.5*(a))*((x)-(b))) ) macro
3705 #define Sigmoidal(a,b,x) ( 1.0/(1.0+exp((a)*((b)-(x)))) ) macro
3725 (Sigmoidal((a),(b),(x))-Sigmoidal((a),(b),0.0)) / \
3726 (Sigmoidal((a),(b),1.0)-Sigmoidal((a),(b),0.0)) )
3739 const double sig0=Sigmoidal(a,b,0.0); in InverseScaledSigmoidal()
3740 const double sig1=Sigmoidal(a,b,1.0); in InverseScaledSigmoidal()
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