From 7b07106816c5c1444118c89048437e0e8c2ee83c Mon Sep 17 00:00:00 2001
From: Godzil <godzil@godzil.net>
Date: Fri, 14 Feb 2020 14:21:57 +0000
Subject: [PATCH] Add some nice math helping functions

---
 source/include/math_helper.h | 15 +++++++++++++++
 source/math_helper.cpp       | 17 +++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 source/include/math_helper.h
 create mode 100644 source/math_helper.cpp

diff --git a/source/include/math_helper.h b/source/include/math_helper.h
new file mode 100644
index 0000000..900e08e
--- /dev/null
+++ b/source/include/math_helper.h
@@ -0,0 +1,15 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Math helping function header
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+
+#ifndef DORAYME_MATH_HELPER_H
+#define DORAYME_MATH_HELPER_H
+
+bool double_equal(double a, double b);
+
+#endif //DORAYME_MATH_HELPER_H
diff --git a/source/math_helper.cpp b/source/math_helper.cpp
new file mode 100644
index 0000000..b86f2f9
--- /dev/null
+++ b/source/math_helper.cpp
@@ -0,0 +1,17 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Math helping functions
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+
+#include <math.h>
+#include <float.h>
+#include <math_helper.h>
+
+bool double_equal(double a, double b)
+{
+    return fabs(a - b) < DBL_EPSILON;
+}