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This commit is contained in:
Joseph Redmon
2016-06-20 13:18:59 -07:00
parent ab75d5c578
commit e7072b8489
7 changed files with 42 additions and 4 deletions
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14
src/activations.h
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@ -4,7 +4,7 @@
#include "math.h"
typedef enum{
LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE, LEAKY, ELU, LOGGY, STAIR, HARDTAN
LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE, LEAKY, ELU, LOGGY, STAIR, HARDTAN, LHTAN
}ACTIVATION;
ACTIVATION get_activation(char *s);
@ -47,6 +47,18 @@ static inline float plse_activate(float x)
return .125*x + .5;
}
static inline float lhtan_activate(float x)
{
if(x < 0) return .001*x;
if(x > 1) return .001*(x-1) + 1;
return x;
}
static inline float lhtan_gradient(float x)
{
if(x > 0 && x < 1) return 1;
return .001;
}
static inline float hardtan_gradient(float x)
{
if (x > -1 && x < 1) return 1;