From 8a504c737d2bc3b9b37cb79cb50fbf7eecda07df Mon Sep 17 00:00:00 2001
From: Tino Hager <tino.hager@nager.at>
Date: Wed, 27 Jun 2018 21:56:47 +0000
Subject: [PATCH] repair tabs spaces
---
src/activations.h | 27 +++++++++++++++++++++++++--
1 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/src/activations.h b/src/activations.h
index 05f7bca..1c36ff5 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, LEAKY, ELU, LOGGY, STAIR
+ LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE, LEAKY, ELU, LOGGY, STAIR, HARDTAN, LHTAN
}ACTIVATION;
ACTIVATION get_activation(char *s);
@@ -25,12 +25,18 @@
if (n%2 == 0) return floor(x/2.);
else return (x - n) + floor(x/2.);
}
+static inline float hardtan_activate(float x)
+{
+ if (x < -1) return -1;
+ if (x > 1) return 1;
+ return x;
+}
static inline float linear_activate(float x){return x;}
static inline float logistic_activate(float x){return 1./(1. + exp(-x));}
static inline float loggy_activate(float x){return 2./(1. + exp(-x)) - 1;}
static inline float relu_activate(float x){return x*(x>0);}
static inline float elu_activate(float x){return (x >= 0)*x + (x < 0)*(exp(x)-1);}
-static inline float relie_activate(float x){return x*(x>0);}
+static inline float relie_activate(float x){return (x>0) ? x : .01*x;}
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);}
@@ -41,6 +47,23 @@
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;
+ return 0;
+}
static inline float linear_gradient(float x){return 1;}
static inline float logistic_gradient(float x){return (1-x)*x;}
static inline float loggy_gradient(float x)
--
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