From 989ab8c38a02fa7ea9c25108151736c62e81c972 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Fri, 24 Apr 2015 17:27:50 +0000
Subject: [PATCH] IOU loss function
---
src/utils.c | 33 ++++++++++++++++++++++++++++++---
1 files changed, 30 insertions(+), 3 deletions(-)
diff --git a/src/utils.c b/src/utils.c
index bf02ff3..bc39cec 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -8,6 +8,33 @@
#include "utils.h"
+
+char *basecfg(char *cfgfile)
+{
+ char *c = cfgfile;
+ char *next;
+ while((next = strchr(c, '/')))
+ {
+ c = next+1;
+ }
+ c = copy_string(c);
+ next = strchr(c, '_');
+ if (next) *next = 0;
+ next = strchr(c, '.');
+ if (next) *next = 0;
+ return c;
+}
+
+int alphanum_to_int(char c)
+{
+ return (c < 58) ? c - 48 : c-87;
+}
+char int_to_alphanum(int i)
+{
+ if (i == 36) return '.';
+ return (i < 10) ? i + 48 : i + 87;
+}
+
void pm(int M, int N, float *A)
{
int i,j;
@@ -249,10 +276,10 @@
return variance;
}
-float constrain(float a, float max)
+float constrain(float min, float max, float a)
{
- if(a > abs(max)) return abs(max);
- if(a < -abs(max)) return -abs(max);
+ if (a < min) return min;
+ if (a > max) return max;
return a;
}
--
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