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old/9apr26_prerefactor/include/amsculib2/cuvect4.hpp

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+#ifndef __CUVECT4_HPP__
+#define __CUVECT4_HPP__
+
+namespace amscuda
+{
+
+    class cuvect4
+    {
+        public:
+        double x;
+        double y;
+        double z;
+        double w;
+
+        __host__ __device__ cuvect4();
+        __host__ __device__ ~cuvect4();
+        __host__ __device__ cuvect4(double _x, double _y, double _z, double _w);
+                
+        __host__ __device__ double& operator[](const int I);
+        __host__ __device__ const double& operator[](const int I) const;
+
+        __host__ __device__ cuvect4 operator+(cuvect4 lhs);
+        __host__ __device__ cuvect4 operator-(cuvect4 lhs);
+        __host__ __device__ cuvect4 operator*(double lhs);
+        __host__ __device__ cuvect4 operator/(double lhs);
+        __host__ __device__ friend cuvect4 operator-(cuvect4 rhs);
+    };
+
+    class cumat4
+    {
+        public:
+        double dat[16];
+
+        __host__ __device__ cumat4();
+        __host__ __device__ ~cumat4();
+        __host__ __device__ double& operator[](const int I);
+        __host__ __device__ double& operator()(const int I, const int J);
+        __host__ __device__ double& at(const int I, const int J);
+
+        __host__ __device__ cumat4 operator+(cumat4 lhs);
+        __host__ __device__ cumat4 operator-(cumat4 lhs);
+        __host__ __device__ cumat4 operator*(double lhs);
+        __host__ __device__ cumat4 operator/(double lhs);
+        __host__ __device__ cuvect4 operator*(cuvect4 lhs);
+        __host__ __device__ cumat4 operator*(cumat4 lhs);
+        __host__ __device__ friend cumat4 operator-(cumat4 rhs);
+
+        __host__ __device__ double det();
+        __host__ __device__ cumat4 transpose();
+        __host__ __device__ cumat4 inverse();
+    };
+
+    __host__ __device__ double cuvect4_dot(cuvect4 a, cuvect4 b);
+    __host__ __device__ double cuvect4_norm(cuvect4 a);
+    __host__ __device__ cuvect4 cuvect4_normalize(cuvect4 a);
+    __host__ __device__ cuvect4 cuvect4_proj(cuvect4 a, cuvect4 b);
+
+}; //end namespace amscuda
+
+#endif
+