From a392bbd0c957a00e3782c96e7ced84a29ff9dd88 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Tue, 15 Mar 2016 05:33:02 +0000
Subject: [PATCH] Play along w/ alphago

---
 src/utils.h |   27 ++++++++++++++++++++++++---
 1 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/utils.h b/src/utils.h
index 49948f5..3af85d3 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -4,11 +4,23 @@
 #include <time.h>
 #include "list.h"
 
-void error(char *s);
+#define SECRET_NUM -1234
+
+void shuffle(void *arr, size_t n, size_t size);
+void sorta_shuffle(void *arr, size_t n, size_t size, size_t sections);
+void free_ptrs(void **ptrs, int n);
+char *basecfg(char *cfgfile);
+int alphanum_to_int(char c);
+char int_to_alphanum(int i);
+void read_all(int fd, char *buffer, size_t bytes);
+void write_all(int fd, char *buffer, size_t bytes);
+char *find_replace(char *str, char *orig, char *rep);
+void error(const char *s);
 void malloc_error();
 void file_error(char *s);
 void strip(char *s);
 void strip_char(char *s, char bad);
+void top_k(float *a, int n, int k, int *index);
 list *split_str(char *s, char delim);
 char *fgetl(FILE *fp);
 list *parse_csv_line(char *line);
@@ -19,13 +31,22 @@
 void scale_array(float *a, int n, float s);
 void translate_array(float *a, int n, float s);
 int max_index(float *a, int n);
-float constrain(float a, float max);
+float constrain(float min, float max, float a);
+float mse_array(float *a, int n);
 float rand_normal();
-float rand_uniform();
+float rand_uniform(float min, float max);
+int rand_int(int min, int max);
 float sum_array(float *a, int n);
 float mean_array(float *a, int n);
+void mean_arrays(float **a, int n, int els, float *avg);
 float variance_array(float *a, int n);
+float mag_array(float *a, int n);
 float **one_hot_encode(float *a, int n, int k);
 float sec(clock_t clocks);
+int find_int_arg(int argc, char **argv, char *arg, int def);
+float find_float_arg(int argc, char **argv, char *arg, float def);
+int find_arg(int argc, char* argv[], char *arg);
+char *find_char_arg(int argc, char **argv, char *arg, char *def);
+
 #endif
 

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