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old/9apr26_prerefactor/include/amsculib2/cuvect3.hpp

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+#ifndef __CUVECT3_HPP__
+#define __CUVECT3_HPP__
+
+namespace amscuda
+{
+
+    class cuvect3
+    {
+        public:
+        double x;
+        double y;
+        double z;
+
+        __host__ __device__ cuvect3();
+        __host__ __device__ ~cuvect3();
+        __host__ __device__ cuvect3(double _x, double _y, double _z);
+        
+        
+        __host__ __device__ double& operator[](const int I);
+        __host__ __device__ const double& operator[](const int I) const;
+
+        __host__ __device__ cuvect3 operator+(cuvect3 lhs);
+        __host__ __device__ cuvect3 operator-(cuvect3 lhs);
+        __host__ __device__ cuvect3 operator*(double lhs);
+        __host__ __device__ cuvect3 operator/(double lhs);
+        __host__ __device__ friend cuvect3 operator-(cuvect3 rhs);
+    };
+
+    class cumat3
+    {
+        public:
+        double dat[9];
+
+        __host__ __device__ cumat3();
+        __host__ __device__ ~cumat3();
+        __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__ cumat3 operator+(cumat3 lhs);
+        __host__ __device__ cumat3 operator-(cumat3 lhs);
+        __host__ __device__ cumat3 operator*(double lhs);
+        __host__ __device__ cumat3 operator/(double lhs);
+        __host__ __device__ cuvect3 operator*(cuvect3 lhs);
+        __host__ __device__ cumat3 operator*(cumat3 lhs);
+        __host__ __device__ friend cumat3 operator-(cumat3 rhs);
+
+        __host__ __device__ double det();
+        __host__ __device__ cumat3 transpose();
+        __host__ __device__ cumat3 inverse();
+    };
+
+    __host__ __device__ double cuvect3_dot(cuvect3 a, cuvect3 b);
+    __host__ __device__ cuvect3 cuvect3_cross(cuvect3 a, cuvect3 b);
+    __host__ __device__ double cuvect3_norm(cuvect3 a);
+    __host__ __device__ cuvect3 cuvect3_normalize(cuvect3 a);
+    __host__ __device__ cuvect3 cuvect3_proj(cuvect3 a, cuvect3 b);
+
+    //3x3 matrix operations
+    //matrix order is assumed to be mat[I,J] = mat[I+3*J]
+    
+    //transposes a 3x3 (9 element) matrix
+    __host__ __device__ void mat3_transpose(double *mat3inout);
+
+    //copies src to dest
+    __host__ __device__ void mat3_copy(double *mat3_dest, const double *mat3_src);
+
+    //returns determinant of 3x3 matrix
+    __host__ __device__ double mat3_det(double *mat3in);
+
+    //inverts a 3x3 (9 element) matrix
+    __host__ __device__ void mat3_inverse(double *mat3inout);
+
+    __host__ __device__ cuvect3 mat3_mult(double *mat3in, cuvect3 cvin);
+    __host__ __device__ void mat3_mult(double *matina, double *matinb, double *matout);
+
+    __host__ __device__ void mat3_hodgedual(cuvect3 vecin, double *matout);
+    __host__ __device__ void mat3_hodgedual(double *matin, cuvect3 vecout);
+
+    //returns direction cosine rotation matrix from axis and angle
+    __host__ __device__ void mat3_rot_from_axisangle(cuvect3 axis, double angle, double *matout);
+
+    __host__ void test_cudavect_logic1();
+
+}; //end namespace amscuda
+
+#endif
+