From ac82bde55f3206a7a0d1b7a7580bea05096af32b Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Thu, 17 Apr 2014 22:07:00 +0000
Subject: [PATCH] New feature extraction method
---
src/activations.c | 23 +++++++++++++++++++++--
1 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/src/activations.c b/src/activations.c
index b8bb79d..c81d6aa 100644
--- a/src/activations.c
+++ b/src/activations.c
@@ -4,6 +4,25 @@
#include <stdio.h>
#include <string.h>
+char *get_activation_string(ACTIVATION a)
+{
+ switch(a){
+ case SIGMOID:
+ return "sigmoid";
+ case RELU:
+ return "relu";
+ case RAMP:
+ return "ramp";
+ case LINEAR:
+ return "linear";
+ case TANH:
+ return "tanh";
+ default:
+ break;
+ }
+ return "relu";
+}
+
ACTIVATION get_activation(char *s)
{
if (strcmp(s, "sigmoid")==0) return SIGMOID;
@@ -15,7 +34,7 @@
return RELU;
}
-double activate(double x, ACTIVATION a){
+float activate(float x, ACTIVATION a){
switch(a){
case LINEAR:
return x;
@@ -30,7 +49,7 @@
}
return 0;
}
-double gradient(double x, ACTIVATION a){
+float gradient(float x, ACTIVATION a){
switch(a){
case LINEAR:
return 1;
--
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