From 9c4198770d3b3b2ca62626dc18bbef3d7af192f1 Mon Sep 17 00:00:00 2001
From: Sandu Liviu Catalin <slc.universe@gmail.com>
Date: Thu, 4 Aug 2016 03:08:59 +0300
Subject: [PATCH] Add hepter variables and typedefs to the shared basic header.

---
 source/Base/Shared.hpp | 45 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/source/Base/Shared.hpp b/source/Base/Shared.hpp
index 4304d034..dd909957 100644
--- a/source/Base/Shared.hpp
+++ b/source/Base/Shared.hpp
@@ -7,6 +7,51 @@
 // ------------------------------------------------------------------------------------------------
 namespace SqMod {
 
+/* ------------------------------------------------------------------------------------------------
+ * Constant for PI.
+*/
+constexpr Float32 SQMOD_PI = 3.14159265359f;
+
+/* ------------------------------------------------------------------------------------------------
+ * Constant for reciprocal of PI.
+*/
+constexpr Float32 SQMOD_RECIPROCAL_PI = (1.0f / SQMOD_PI);
+
+/* ------------------------------------------------------------------------------------------------
+ * Constant for half of PI.
+*/
+constexpr Float32 SQMOD_HALF_PI = (SQMOD_PI / 2.0f);
+
+/* ------------------------------------------------------------------------------------------------
+ * Constant for 64 bit PI.
+*/
+constexpr Float64 SQMOD_PI64 = 3.1415926535897932384626433832795028841971693993751;
+
+/* ------------------------------------------------------------------------------------------------
+ * Constant for 64 bit reciprocal of PI.
+*/
+constexpr Float64 SQMOD_RECIPROCAL_PI64 = 1.0/SQMOD_PI64;
+
+/* ------------------------------------------------------------------------------------------------
+ * 32bit Constant for converting from degrees to radians.
+*/
+constexpr Float32 SQMOD_DEGTORAD = SQMOD_PI / 180.0f;
+
+/* ------------------------------------------------------------------------------------------------
+ * 32bit constant for converting from radians to degrees. (formally known as GRAD_PI)
+*/
+constexpr Float32 SQMOD_RADTODEG   = 180.0f / SQMOD_PI;
+
+/* ------------------------------------------------------------------------------------------------
+ * 64 bit constant for converting from degrees to radians. (formally known as GRAD_PI2)
+*/
+constexpr Float64 SQMOD_DEGTORAD64 = SQMOD_PI64 / 180.0;
+
+/* ------------------------------------------------------------------------------------------------
+ * 64 bit constant for converting from radians to degrees.
+*/
+constexpr Float64 SQMOD_RADTODEG64 = 180.0 / SQMOD_PI64;
+
 /* ------------------------------------------------------------------------------------------------
  * Forward declarations of the logging functions to avoid including the logger everywhere.
  * Primary logging functions.