From a08ef29e085236f13fd04246c6774f9682a56208 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Fri, 10 Jul 2015 23:38:14 +0000
Subject: [PATCH] NIGHTMARE!!!!
---
src/activations.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/src/activations.h b/src/activations.h
index 0aa61c2..22a713a 100644
--- a/src/activations.h
+++ b/src/activations.h
@@ -4,7 +4,7 @@
#include "math.h"
typedef enum{
- LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE
+ LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE, LEAKY
}ACTIVATION;
ACTIVATION get_activation(char *s);
@@ -24,6 +24,7 @@
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 leaky_activate(float x){return (x>0) ? x : .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)
{
@@ -37,6 +38,7 @@
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 leaky_gradient(float x){return (x>0) ? 1 : .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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