From 7f58bcf320258dd7e666a25ba2a122f2e7aaa658 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Tue, 14 Sep 2021 09:55:36 +0800
Subject: [PATCH] added PrimaryMathematics.h

---
 inc/hgl/math/Math.h               |  1 +
 inc/hgl/math/PrimaryMathematics.h | 39 +++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 inc/hgl/math/PrimaryMathematics.h

diff --git a/inc/hgl/math/Math.h b/inc/hgl/math/Math.h
index 6637bfb..30fb8b4 100644
--- a/inc/hgl/math/Math.h
+++ b/inc/hgl/math/Math.h
@@ -1,6 +1,7 @@
 #ifndef HGL_ALGORITHM_MATH_INCLUDE
 #define HGL_ALGORITHM_MATH_INCLUDE
 
+#include<hgl/math/PrimaryMathematics.h>
 #include<hgl/math/FastTriangle.h>
 #include<hgl/math/Vector.h>        // Game Math and Geometry Library
 #include<hgl/math/Matrix.h>
diff --git a/inc/hgl/math/PrimaryMathematics.h b/inc/hgl/math/PrimaryMathematics.h
new file mode 100644
index 0000000..c85ea01
--- /dev/null
+++ b/inc/hgl/math/PrimaryMathematics.h
@@ -0,0 +1,39 @@
+#ifndef HGL_Primary_Mathematics_INCLUDE
+#define HGL_Primary_Mathematics_INCLUDE
+namespace hgl
+{
+    /**
+     * ÇóÒ»ÅúÊýµÄºÏ
+     */
+    template<typename T>
+    const T sum(const T *data,const int count)
+    {
+        T result=0;
+
+        for(int i=0;i<count;i++)
+        {
+            result+=*data;
+            ++data;
+        }
+
+        return result;
+    }
+
+    /**
+     * ÇóÒ»ÅúÊýµÄºÏ
+     */
+    template<typename R,typename T>
+    const R sum(const T *data,const int count)
+    {
+        R result=0;
+
+        for(int i=0;i<count;i++)
+        {
+            result+=*data;
+            ++data;
+        }
+
+        return result;
+    }
+}//namespace hgl
+#endif//HGL_Primary_Mathematics_INCLUDE