From 390a0cf923cee683e5be300390c736a2ab9b7fd5 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Sat, 11 Apr 2015 08:24:07 +0000
Subject: [PATCH] not much changed...
---
src/activations.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/src/activations.h b/src/activations.h
index f28ac0d..07c5b5e 100644
--- a/src/activations.h
+++ b/src/activations.h
@@ -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 @@
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 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;}
--
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