From 7d34850008b7ed5956bd427e9e74695e1ef46d75 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Sun, 27 Nov 2016 04:29:11 +0000
Subject: [PATCH] I really should stop changing names
---
src/utils.c | 50 ++++++++++++++++++++++++++++++++++++++------------
1 files changed, 38 insertions(+), 12 deletions(-)
diff --git a/src/utils.c b/src/utils.c
index 41893fc..b5181d7 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -9,6 +9,21 @@
#include "utils.h"
+int *read_map(char *filename)
+{
+ int n = 0;
+ int *map = 0;
+ char *str;
+ FILE *file = fopen(filename, "r");
+ if(!file) file_error(filename);
+ while((str=fgetl(file))){
+ ++n;
+ map = realloc(map, n*sizeof(int));
+ map[n-1] = atoi(str);
+ }
+ return map;
+}
+
void sorta_shuffle(void *arr, size_t n, size_t size, size_t sections)
{
size_t i;
@@ -135,23 +150,20 @@
printf("\n");
}
-char *find_replace(char *str, char *orig, char *rep)
+void find_replace(char *str, char *orig, char *rep, char *output)
{
- static char buffer[4096];
- static char buffer2[4096];
- static char buffer3[4096];
+ char buffer[4096] = {0};
char *p;
- if(!(p = strstr(str, orig))) // Is 'orig' even in 'str'?
- return str;
+ sprintf(buffer, "%s", str);
+ if(!(p = strstr(buffer, orig))){ // Is 'orig' even in 'str'?
+ sprintf(output, "%s", str);
+ return;
+ }
- strncpy(buffer2, str, p-str); // Copy characters from 'str' start to 'orig' st$
- buffer2[p-str] = '\0';
+ *p = '\0';
- sprintf(buffer3, "%s%s%s", buffer2, rep, p+strlen(orig));
- sprintf(buffer, "%s", buffer3);
-
- return buffer;
+ sprintf(output, "%s%s%s", buffer, rep, p+strlen(orig));
}
float sec(clock_t clocks)
@@ -414,6 +426,13 @@
}
}
+void print_statistics(float *a, int n)
+{
+ float m = mean_array(a, n);
+ float v = variance_array(a, n);
+ printf("MSE: %.6f, Mean: %.6f, Variance: %.6f\n", mse_array(a, n), m, v);
+}
+
float variance_array(float *a, int n)
{
int i;
@@ -585,6 +604,13 @@
return ((float)rand()/RAND_MAX * (max - min)) + min;
}
+float rand_scale(float s)
+{
+ float scale = rand_uniform(1, s);
+ if(rand()%2) return scale;
+ return 1./scale;
+}
+
float **one_hot_encode(float *a, int n, int k)
{
int i;
--
Gitblit v1.10.0