From 482e65c296e1390fd9129137263c830f4a39c781 Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Tue, 19 Mar 2013 15:49:12 -0700
Subject: [PATCH] move randomBoolean and randomColorValue methods to SharedUtil

---
 shared/src/SharedUtil.cpp | 28 ++++++++++++++++++++++++++--
 shared/src/SharedUtil.h   |  8 +++++++-
 2 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/shared/src/SharedUtil.cpp b/shared/src/SharedUtil.cpp
index 85a7187c0c..404ac9d5cb 100644
--- a/shared/src/SharedUtil.cpp
+++ b/shared/src/SharedUtil.cpp
@@ -24,7 +24,16 @@ float randFloat () {
     return (rand() % 10000)/10000.f;
 }
 
-void outputBits(char byte) {
+
+unsigned char randomColorValue(uint8_t miniumum) {
+    return miniumum + (rand() % (255 - miniumum));
+}
+
+bool randomBoolean() {
+    return rand() % 2;
+}
+
+void outputBits(unsigned char byte) {
     printf("%d: ", byte);
     
     for (int i = 0; i < 8; i++) {
@@ -32,4 +41,19 @@ void outputBits(char byte) {
     }
     
     printf("\n");
-}
\ No newline at end of file
+}
+
+int8_t numberOfOnes(unsigned char byte) {
+    return (byte >> 7)
+        + ((byte >> 6) & 1)
+        + ((byte >> 5) & 1)
+        + ((byte >> 4) & 1)
+        + ((byte >> 3) & 1)
+        + ((byte >> 2) & 1)
+        + ((byte >> 1) & 1)
+        + (byte & 1);
+}
+
+bool oneAtBit(unsigned char byte, int8_t bitIndex) {
+    return (byte >> (7 - bitIndex) & 1);
+}
diff --git a/shared/src/SharedUtil.h b/shared/src/SharedUtil.h
index e0094e1cf8..352ff1d859 100644
--- a/shared/src/SharedUtil.h
+++ b/shared/src/SharedUtil.h
@@ -19,7 +19,13 @@
 
 double usecTimestamp(timeval *time);
 double usecTimestampNow();
+
 float randFloat();
-void outputBits(char);
+unsigned char randomColorValue(uint8_t minimum);
+bool randomBoolean();
+
+void outputBits(unsigned char byte);
+int8_t numberOfOnes(unsigned char byte);
+bool oneAtBit(unsigned char byte, int8_t bitIndex);
 
 #endif /* defined(__hifi__SharedUtil__) */