added PrimaryMathematics.h

inc/hgl/math/PrimaryMathematics.h

@@ -0,0 +1,39 @@
+#ifndef HGL_Primary_Mathematics_INCLUDE
+#define HGL_Primary_Mathematics_INCLUDE
+namespace hgl
+{
+    /**
+     * <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD>
+     */
+    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;
+    }
+
+    /**
+     * <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD>
+     */
+    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