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not much changed...

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This commit is contained in:
Joseph Redmon
2015-04-11 01:24:07 -07:00
parent 5a49c1d962
commit 390a0cf923
8 changed files with 63 additions and 19 deletions
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4
src/activations.h
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@ -3,7 +3,7 @@
#define ACTIVATIONS_H
typedef enum{
LOGISTIC, RELU, LINEAR, RAMP, TANH, PLSE
LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE
}ACTIVATION;
ACTIVATION get_activation(char *s);
@ -21,6 +21,7 @@ void gradient_array_ongpu(float *x, int n, ACTIVATION a, float *delta);
static inline float linear_activate(float x){return x;}
static inline float logistic_activate(float x){return 1./(1. + exp(-x));}
static inline float relu_activate(float x){return x*(x>0);}
static inline float relie_activate(float x){return x*(x>0);}
static inline float ramp_activate(float x){return x*(x>0)+.1*x;}
static inline float tanh_activate(float x){return (exp(2*x)-1)/(exp(2*x)+1);}
static inline float plse_activate(float x)
@ -33,6 +34,7 @@ static inline float plse_activate(float x)
static inline float linear_gradient(float x){return 1;}
static inline float logistic_gradient(float x){return (1-x)*x;}
static inline float relu_gradient(float x){return (x>0);}
static inline float relie_gradient(float x){return (x>0) ? 1 : .01;}
static inline float ramp_gradient(float x){return (x>0)+.1;}
static inline float tanh_gradient(float x){return 1-x*x;}
static inline float plse_gradient(float x){return (x < 0 || x > 1) ? .01 : .125;}