From 44c1eec63fc51d1a4eb888cde5e8f4b874876bab Mon Sep 17 00:00:00 2001
From: ladevieq <ladevie.quentin@gmail.com>
Date: Sun, 20 Dec 2020 22:07:18 +0100
Subject: Add random number utility functions

---
 include/rt.hpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include/rt.hpp')

diff --git a/include/rt.hpp b/include/rt.hpp
index 60170ac..3c37fa1 100644
--- a/include/rt.hpp
+++ b/include/rt.hpp
@@ -2,6 +2,7 @@
 #define __RT_HPP_
 
 #include <limits>
+#include <cstdlib>
 
 const double pi = 3.1415926535897932385;
 const double infinity = std::numeric_limits<double>::infinity();
@@ -10,6 +11,15 @@ inline double deg_to_rad(double deg) {
     return deg * pi / 180.0;
 }
 
+inline double randd() {
+    return rand() / (RAND_MAX + 1.0);
+}
+
+inline double randd(double min, double max) {
+    return min + randd() * (max - min);
+}
+
+
 #include "vec3.hpp"
 #include "ray.hpp"
 #include "color.hpp"
-- 
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